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KELT-20b - Wikipedia

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.infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox"><caption class="infobox-title fn org">KELT-20b</caption><tbody><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:UHJ_KELT-20b.webp" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6e/UHJ_KELT-20b.webp/290px-UHJ_KELT-20b.webp.png" decoding="async" width="290" height="163" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6e/UHJ_KELT-20b.webp/435px-UHJ_KELT-20b.webp.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6e/UHJ_KELT-20b.webp/580px-UHJ_KELT-20b.webp.png 2x" data-file-width="2048" data-file-height="1152" /></a></span><div class="infobox-caption">An artist's impression of ultra-hot Jupiter planet KELT-20b orbiting its host star.</div></td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#E0CCFF">Discovery</th></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><a href="/wiki/List_of_observatory_codes" title="List of observatory codes">Discovery&#160;site</a></th><td class="infobox-data"><i><a href="/wiki/Kilodegree_Extremely_Little_Telescope" title="Kilodegree Extremely Little Telescope">KELT</a></i></td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;">Discovery&#160;date</th><td class="infobox-data">2017</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Methods_of_detecting_exoplanets" title="Methods of detecting exoplanets">Detection method</a></div></th><td class="infobox-data"><a href="/wiki/Transit_method" class="mw-redirect" title="Transit method">Transit method</a></td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#E0CCFF"><a href="/wiki/Osculating_orbit" title="Osculating orbit">Orbital characteristics</a></th></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Semi-major_and_semi-minor_axes" title="Semi-major and semi-minor axes">Semi-major axis</a></div></th><td class="infobox-data">0.0542 AU</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Orbital_period" title="Orbital period">Orbital period (sidereal)</a></div></th><td class="infobox-data">3.6127647 <a href="/wiki/Day" title="Day">d</a> = 3.474</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><a href="/wiki/Orbital_inclination" title="Orbital inclination">Inclination</a></th><td class="infobox-data">86.12</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;">Star</th><td class="infobox-data"><a href="/wiki/KELT-20" title="KELT-20">KELT-20</a></td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#E0CCFF"><span class="anchor" id="Infobox_Physical_characteristics"></span>Physical characteristics</th></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Mean_radius_(astronomy)" title="Mean radius (astronomy)">Mean radius</a></div></th><td class="infobox-data">1.741 <a href="/wiki/Jupiter_radius" title="Jupiter radius"><var>R</var><sub>J</sub></a></td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><a href="/wiki/Mass" title="Mass">Mass</a></th><td class="infobox-data">&lt;3.382 <a href="/wiki/Jupiter_mass" title="Jupiter mass"><var>M</var><sub>J</sub></a></td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Mean <a href="/wiki/Density" title="Density">density</a></div></th><td class="infobox-data">&lt;0.806 <a href="/wiki/Gram" title="Gram">g</a> <a href="/wiki/Cubic_centimetre" title="Cubic centimetre">cm<sup>−3</sup></a></td></tr><tr><td colspan="2" class="infobox-below"><style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> </div></td></tr></tbody></table> <p><b>KELT-20b</b>, also known as <b>MASCARA-2b</b>, was an exoplanet announced in 2017. It is an <a href="/wiki/Ultra-hot_Jupiter" class="mw-redirect" title="Ultra-hot Jupiter">Ultra-hot Jupiter</a> orbiting an <a href="/wiki/A-type_main-sequence_star" title="A-type main-sequence star">A-type star</a>. The <a href="/wiki/Carbon_monoxide" title="Carbon monoxide">carbon monoxide</a>, steam<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup> and neutral iron<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup> detection in the atmosphere of KELT-20b was announced in 2022. </p> <div class="mw-heading mw-heading2"><h2 id="Host_star">Host star</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=KELT-20b&amp;action=edit&amp;section=1" title="Edit section: Host star"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/KELT-20" title="KELT-20">KELT-20</a></div> <p>The host star is an <a href="/wiki/A-type_main-sequence_star" title="A-type main-sequence star">A-type main-sequence star</a> in the constellation of <a href="/wiki/Cygnus_(constellation)" title="Cygnus (constellation)">Cygnus</a> having 2.282 solar masses, 1.617 solar radius and an apparent magnitude of 7.58. </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=KELT-20b&amp;action=edit&amp;section=2" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Kilodegree_Extremely_Little_Telescope" title="Kilodegree Extremely Little Telescope">Kilodegree Extremely Little Telescope</a></li> <li><a href="/wiki/Multi-site_All-Sky_CAmeRA" class="mw-redirect" title="Multi-site All-Sky CAmeRA">Multi-site All-Sky CAmeRA</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=KELT-20b&amp;action=edit&amp;section=3" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626"><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon 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.citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFFuSingLothringerDeming2022" class="citation cs2">Fu, Guangwei; Sing, David K.; Lothringer, Joshua D.; Deming, Drake; Ih, Jegug; Kempton, Eliza M. -R.; Malik, Matej; Komacek, Thaddeus D.; Mansfield, Megan; Bean, Jacob L. (2022), "Strong H<sub>2</sub>O and CO Emission Features in the Spectrum of KELT-20b Driven by Stellar UV Irradiation", <i>The Astrophysical Journal Letters</i>, <b>925</b> (1): L3, <a href="/wiki/ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://arxiv.org/abs/2201.02261">2201.02261</a></span>, <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2022ApJ...925L...3F">2022ApJ...925L...3F</a>, <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.3847%2F2041-8213%2Fac4968">10.3847/2041-8213/ac4968</a></span></cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=The+Astrophysical+Journal+Letters&amp;rft.atitle=Strong+H%3Csub%3E2%3C%2Fsub%3EO+and+CO+Emission+Features+in+the+Spectrum+of+KELT-20b+Driven+by+Stellar+UV+Irradiation&amp;rft.volume=925&amp;rft.issue=1&amp;rft.pages=L3&amp;rft.date=2022&amp;rft_id=info%3Aarxiv%2F2201.02261&amp;rft_id=info%3Adoi%2F10.3847%2F2041-8213%2Fac4968&amp;rft_id=info%3Abibcode%2F2022ApJ...925L...3F&amp;rft.aulast=Fu&amp;rft.aufirst=Guangwei&amp;rft.au=Sing%2C+David+K.&amp;rft.au=Lothringer%2C+Joshua+D.&amp;rft.au=Deming%2C+Drake&amp;rft.au=Ih%2C+Jegug&amp;rft.au=Kempton%2C+Eliza+M.+-R.&amp;rft.au=Malik%2C+Matej&amp;rft.au=Komacek%2C+Thaddeus+D.&amp;rft.au=Mansfield%2C+Megan&amp;rft.au=Bean%2C+Jacob+L.&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AKELT-20b" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKasperBeanLineSeifahrt2023" class="citation cs2">Kasper, David; Bean, Jacob L.; Line, Michael R.; Seifahrt, Andreas; Brady, Madison T.; Lothringer, Joshua; Pino, Lorenzo; Fu, Guangwei; Pelletier, Stefan; Stürmer, Julian; Benneke, Björn; Brogi, Matteo; Désert, Jean-Michel (2023), "Unifying High- and Low-resolution Observations to Constrain the Dayside Atmosphere of KELT-20b/MASCARA-2b", <i>The Astronomical Journal</i>, <b>165</b> (1): 7, <a href="/wiki/ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://arxiv.org/abs/2208.04759">2208.04759</a></span>, <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2023AJ....165....7K">2023AJ....165....7K</a>, <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.3847%2F1538-3881%2Fac9f40">10.3847/1538-3881/ac9f40</a></span></cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=The+Astronomical+Journal&amp;rft.atitle=Unifying+High-+and+Low-resolution+Observations+to+Constrain+the+Dayside+Atmosphere+of+KELT-20b%2FMASCARA-2b&amp;rft.volume=165&amp;rft.issue=1&amp;rft.pages=7&amp;rft.date=2023&amp;rft_id=info%3Aarxiv%2F2208.04759&amp;rft_id=info%3Adoi%2F10.3847%2F1538-3881%2Fac9f40&amp;rft_id=info%3Abibcode%2F2023AJ....165....7K&amp;rft.aulast=Kasper&amp;rft.aufirst=David&amp;rft.au=Bean%2C+Jacob+L.&amp;rft.au=Line%2C+Michael+R.&amp;rft.au=Seifahrt%2C+Andreas&amp;rft.au=Brady%2C+Madison+T.&amp;rft.au=Lothringer%2C+Joshua&amp;rft.au=Pino%2C+Lorenzo&amp;rft.au=Fu%2C+Guangwei&amp;rft.au=Pelletier%2C+Stefan&amp;rft.au=St%C3%BCrmer%2C+Julian&amp;rft.au=Benneke%2C+Bj%C3%B6rn&amp;rft.au=Brogi%2C+Matteo&amp;rft.au=D%C3%A9sert%2C+Jean-Michel&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AKELT-20b" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFYanReinersPalléShulyak2022" class="citation cs2">Yan, F.; Reiners, A.; Pallé, E.; Shulyak, D.; Stangret, M.; Molaverdikhani, K.; Nortmann, L.; Mollière, P.; Henning, Th.; Casasayas-Barris, N.; Cont, D.; Chen, G.; Czesla, S.; Sánchez-López, A.; López-Puertas, M.; Ribas, I.; Quirrenbach, A.; Caballero, J. A.; Amado, P. J.; Galadí-Enríquez, D.; Khalafinejad, S.; Lara, L. M.; Montes, D.; Morello, G.; Nagel, E.; Sedaghati, E.; Zapatero Osorio, M. R.; Zechmeister, M. (2022), "Detection of iron emission lines and a temperature inversion on the dayside of the ultra-hot Jupiter KELT-20b", <i>Astronomy &amp; Astrophysics</i>, <b>659</b>: A7, <a href="/wiki/ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://arxiv.org/abs/2201.08759">2201.08759</a></span>, <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2022A&amp;A...659A...7Y">2022A&#38;A...659A...7Y</a>, <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1051%2F0004-6361%2F202142395">10.1051/0004-6361/202142395</a>, <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a>&#160;<a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:246210387">246210387</a></cite><span 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li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Cygnus_(constellation)" title="Template:Cygnus (constellation)"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Cygnus_(constellation)" title="Template talk:Cygnus (constellation)"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Cygnus_(constellation)" title="Special:EditPage/Template:Cygnus (constellation)"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Constellation_of_Cygnus" style="font-size:114%;margin:0 4em"><a href="/wiki/Cygnus_(constellation)" title="Cygnus (constellation)">Constellation of Cygnus</a></div></th></tr><tr><td class="navbox-abovebelow" colspan="2" style="text-align: center;"><div> <ul><li><a href="/wiki/List_of_stars_in_Cygnus" title="List of stars in Cygnus">List of stars in Cygnus</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%"><a href="/wiki/Star" title="Star">Stars</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:6em"><a href="/wiki/Bayer_designation" title="Bayer designation">Bayer</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Deneb" title="Deneb">α (Deneb)</a></li> <li><a href="/wiki/Albireo" title="Albireo">β (Albireo)</a></li> <li><a href="/wiki/Gamma_Cygni" title="Gamma Cygni">γ (Sadr)</a></li> <li><a href="/wiki/Delta_Cygni" title="Delta Cygni">δ (Fawaris)</a></li> <li><a href="/wiki/Epsilon_Cygni" title="Epsilon Cygni">ε (Aljanah)</a></li> <li><a href="/wiki/Zeta_Cygni" title="Zeta Cygni">ζ</a></li> <li><a href="/wiki/Eta_Cygni" title="Eta Cygni">η</a></li> <li><a href="/wiki/Theta_Cygni" title="Theta Cygni">θ</a></li> <li><a href="/wiki/Iota1_Cygni" title="Iota1 Cygni">ι<sup>1</sup></a></li> <li><a href="/wiki/Iota2_Cygni" title="Iota2 Cygni">ι<sup>2</sup></a></li> <li><a href="/wiki/Kappa_Cygni" title="Kappa Cygni">κ</a></li> <li><a href="/wiki/Lambda_Cygni" title="Lambda Cygni">λ</a></li> <li><a href="/wiki/Mu_Cygni" title="Mu Cygni">μ</a></li> <li><a href="/wiki/Nu_Cygni" title="Nu Cygni">ν</a></li> <li><a href="/wiki/Xi_Cygni" title="Xi Cygni">ξ</a></li> <li><a href="/wiki/30_Cygni" title="30 Cygni">o<sup>1</sup></a></li> <li><a href="/wiki/31_Cygni" title="31 Cygni">o<sup>2</sup></a></li> <li><a href="/wiki/32_Cygni" title="32 Cygni">ο<sup>3</sup></a></li> <li><a href="/wiki/Pi1_Cygni" title="Pi1 Cygni">π<sup>1</sup> (Azelfafage)</a></li> <li><a href="/wiki/Pi2_Cygni" title="Pi2 Cygni">π<sup>2</sup></a></li> <li><a href="/wiki/Rho_Cygni" title="Rho Cygni">ρ</a></li> <li><a href="/wiki/Sigma_Cygni" title="Sigma Cygni">σ</a></li> <li><a href="/wiki/Tau_Cygni" title="Tau Cygni">τ</a></li> <li><a href="/wiki/Upsilon_Cygni" title="Upsilon Cygni">υ</a></li> <li><a href="/wiki/Phi_Cygni" title="Phi Cygni">φ</a></li> <li><a href="/wiki/Chi_Cygni" title="Chi Cygni">χ</a></li> <li><a href="/wiki/Psi_Cygni" title="Psi Cygni">ψ</a></li> <li><a href="/wiki/Omega1_Cygni" title="Omega1 Cygni">ω<sup>1</sup></a></li> <li><a href="/wiki/Omega2_Cygni" title="Omega2 Cygni">ω<sup>2</sup></a></li> <li><a href="/wiki/P_Cygni" title="P Cygni">P</a></li> <li><a href="/wiki/Q_Cygni" title="Q Cygni">Q</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em"><a href="/wiki/Flamsteed_designation" title="Flamsteed designation">Flamsteed</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/2_Cygni" title="2 Cygni">2</a></li> <li><a href="/wiki/4_Cygni" title="4 Cygni">4</a></li> <li><a href="/wiki/8_Cygni" title="8 Cygni">8</a></li> <li><a href="/wiki/9_Cygni" title="9 Cygni">9</a></li> <li><a href="/wiki/15_Cygni" title="15 Cygni">15</a></li> <li><a href="/wiki/16_Cygni" title="16 Cygni">16 (c)</a></li> <li><a href="/wiki/17_Cygni" title="17 Cygni">17</a></li> <li><a href="/wiki/20_Cygni" title="20 Cygni">20 (d)</a></li> <li><a href="/wiki/22_Cygni" title="22 Cygni">22</a></li> <li><a href="/wiki/23_Cygni" title="23 Cygni">23</a></li> <li><a href="/wiki/26_Cygni" title="26 Cygni">26 (e)</a></li> <li><a href="/wiki/27_Cygni" title="27 Cygni">27 (b<sup>1</sup>)</a></li> <li><a href="/wiki/28_Cygni" title="28 Cygni">28 (b<sup>2</sup>)</a></li> <li><a href="/wiki/29_Cygni" title="29 Cygni">29 (b<sup>3</sup>)</a></li> <li><a href="/wiki/33_Cygni" title="33 Cygni">33</a></li> <li><a href="/wiki/35_Cygni" title="35 Cygni">35</a></li> <li><a href="/wiki/39_Cygni" title="39 Cygni">39</a></li> <li><a href="/wiki/41_Cygni" title="41 Cygni">41</a></li> <li><a href="/wiki/47_Cygni" title="47 Cygni">47</a></li> <li><a href="/wiki/52_Cygni" title="52 Cygni">52</a></li> <li><a href="/wiki/55_Cygni" title="55 Cygni">55</a></li> <li><a href="/wiki/56_Cygni" title="56 Cygni">56</a></li> <li><a href="/wiki/57_Cygni" title="57 Cygni">57</a></li> <li><a href="/wiki/59_Cygni" title="59 Cygni">59 (f<sup>1</sup>)</a></li> <li><a href="/wiki/61_Cygni" title="61 Cygni">61</a></li> <li><a href="/wiki/63_Cygni" title="63 Cygni">63 (f<sup>2</sup>)</a></li> <li><a href="/wiki/68_Cygni" title="68 Cygni">68 (A)</a></li> <li><a href="/wiki/71_Cygni" title="71 Cygni">71 (g)</a></li> <li><a href="/wiki/72_Cygni" title="72 Cygni">72</a></li> <li><a href="/wiki/74_Cygni" title="74 Cygni">74</a></li> <li><a href="/wiki/75_Cygni" title="75 Cygni">75</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em"><a href="/wiki/Variable_star_designation" class="mw-redirect" title="Variable star designation">Variable</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/R_Cygni" title="R Cygni">R</a></li> <li><a href="/wiki/T_Cygni" title="T Cygni">T</a></li> <li><a href="/wiki/W_Cygni" title="W Cygni">W</a></li> <li><a href="/wiki/X_Cygni" title="X Cygni">X</a></li> <li><a href="/wiki/Y_Cygni" title="Y Cygni">Y</a></li> <li><a href="/wiki/RW_Cygni" title="RW Cygni">RW</a></li> <li><a href="/wiki/SS_Cygni" title="SS Cygni">SS</a></li> <li><a href="/wiki/SU_Cygni" title="SU Cygni">SU</a></li> <li><a href="/wiki/TT_Cygni" title="TT Cygni">TT</a></li> <li><a href="/wiki/AZ_Cygni" title="AZ Cygni">AZ</a></li> <li><a href="/wiki/BC_Cygni" title="BC Cygni">BC</a></li> <li><a href="/wiki/BI_Cygni" title="BI Cygni">BI</a></li> <li><a href="/wiki/CH_Cygni" title="CH Cygni">CH</a></li> <li><a href="/wiki/KY_Cygni" title="KY Cygni">KY</a></li> <li><a href="/wiki/V380_Cygni" title="V380 Cygni">V380</a></li> <li><a href="/wiki/V389_Cygni" title="V389 Cygni">V389</a></li> <li><a href="/wiki/V404_Cygni" title="V404 Cygni">V404</a></li> <li><a href="/wiki/V476_Cygni" title="V476 Cygni">V476</a></li> <li><a href="/wiki/V1027_Cygni" title="V1027 Cygni">V1027</a></li> <li><a href="/wiki/V1057_Cygni" title="V1057 Cygni">V1057</a></li> <li><a href="/wiki/HR_7484" title="HR 7484">V1143</a></li> <li><a href="/wiki/V1191_Cygni" title="V1191 Cygni">V1191</a></li> <li><a href="/wiki/V1334_Cygni" title="V1334 Cygni">V1334</a></li> <li><a href="/wiki/NML_Cygni" title="NML Cygni">V1489</a></li> <li><a href="/wiki/V1500_Cygni" title="V1500 Cygni">V1500</a></li> <li><a href="/wiki/V1668_Cygni" title="V1668 Cygni">V1668</a></li> <li><a href="/wiki/V1794_Cygni" title="V1794 Cygni">V1794</a></li> <li><a href="/wiki/V1974_Cygni" title="V1974 Cygni">V1974</a></li> <li><a href="/wiki/KPD_1930%2B2752" title="KPD 1930+2752">V2214</a></li> <li><a href="/wiki/IRAS_19475%2B3119" title="IRAS 19475+3119">V2513</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em"><a href="/wiki/Bright_Star_Catalogue" title="Bright Star Catalogue">HR</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/HD_189276" title="HD 189276">7633</a></li> <li><a href="/wiki/HD_193322" title="HD 193322">7767</a></li> <li><a href="/wiki/HD_197036" title="HD 197036">7912</a></li> <li><a href="/wiki/HD_203857" title="HD 203857">8193</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em"><a href="/wiki/Henry_Draper_Catalogue" title="Henry Draper Catalogue">HD</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/HD_185269" title="HD 185269">185269</a></li> <li>185435</li> <li><a href="/wiki/HD_187123" title="HD 187123">187123</a></li> <li><a href="/wiki/HD_188753" title="HD 188753">188753</a></li> <li><a href="/wiki/HD_190655" title="HD 190655">190655</a></li> <li><a href="/wiki/HD_191806" title="HD 191806">191806</a></li> <li><a href="/wiki/HD_197037" title="HD 197037">197037</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em"><a href="/wiki/Gliese_Catalogue_of_Nearby_Stars" title="Gliese Catalogue of Nearby Stars">Gliese</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Gliese_777" title="Gliese 777">777</a></li> <li><a href="/wiki/Gliese_806" title="Gliese 806">806</a></li> <li><a href="/wiki/GJ_1245" title="GJ 1245">1245</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em"><a href="/wiki/List_of_exoplanets_discovered_using_the_Kepler_space_telescope" class="mw-redirect" title="List of exoplanets discovered using the Kepler space telescope">Kepler</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/HAT-P-7" title="HAT-P-7">2</a></li> <li><a href="/wiki/HAT-P-11" title="HAT-P-11">3</a></li> <li><a href="/wiki/Kepler-5" title="Kepler-5">5</a></li> <li><a href="/wiki/Kepler-6" title="Kepler-6">6</a></li> <li><a href="/wiki/Kepler-11" title="Kepler-11">11</a></li> <li><a href="/wiki/Kepler-15" title="Kepler-15">15</a></li> <li><a href="/wiki/Kepler-16" title="Kepler-16">16</a></li> <li><a href="/wiki/Kepler-17" title="Kepler-17">17</a></li> <li><a href="/wiki/Kepler-18" title="Kepler-18">18</a></li> <li><a href="/wiki/Kepler-22" title="Kepler-22">22</a></li> <li><a href="/wiki/Kepler-23" title="Kepler-23">23</a></li> <li><a href="/wiki/Kepler-27" title="Kepler-27">27</a></li> <li><a href="/wiki/Kepler-28" title="Kepler-28">28</a></li> <li><a href="/wiki/Kepler-29" title="Kepler-29">29</a></li> <li><a href="/wiki/Kepler-31" title="Kepler-31">31</a></li> <li><a href="/wiki/Kepler-32" title="Kepler-32">32</a></li> <li><a href="/wiki/Kepler-33" title="Kepler-33">33</a></li> <li><a href="/wiki/Kepler-34" title="Kepler-34">34</a></li> <li><a href="/wiki/Kepler-35" title="Kepler-35">35</a></li> <li><a href="/wiki/Kepler-36" title="Kepler-36">36</a></li> <li><a href="/wiki/Kepler-39" title="Kepler-39">39</a></li> <li><a href="/wiki/Kepler-40" title="Kepler-40">40</a></li> <li><a href="/wiki/Kepler-41" title="Kepler-41">41</a></li> <li><a href="/wiki/Kepler-42" title="Kepler-42">42</a></li> <li><a href="/wiki/Kepler-43" title="Kepler-43">43</a></li> <li><a href="/wiki/Kepler-44" title="Kepler-44">44</a></li> <li><a href="/wiki/Kepler-45" title="Kepler-45">45</a></li> <li><a href="/wiki/Kepler-47" title="Kepler-47">47</a></li> <li><a href="/wiki/Kepler-51" title="Kepler-51">51</a></li> <li><a href="/wiki/Kepler-56" title="Kepler-56">56</a></li> <li><a href="/wiki/Kepler-61" title="Kepler-61">61</a></li> <li><a href="/wiki/Kepler-63" title="Kepler-63">63</a></li> <li><a href="/wiki/PH1" class="mw-redirect" title="PH1">64 (PH1)</a></li> <li><a href="/wiki/Kepler-66" title="Kepler-66">66</a></li> <li><a href="/wiki/Kepler-67" title="Kepler-67">67</a></li> <li><a href="/wiki/Kepler-68" title="Kepler-68">68</a></li> <li><a href="/wiki/Kepler-69" title="Kepler-69">69</a></li> <li><a href="/wiki/Kepler-70" title="Kepler-70">70</a></li> <li><a href="/wiki/Kepler-78" title="Kepler-78">78</a></li> <li><a href="/wiki/Kepler-80" title="Kepler-80">80</a></li> <li><a href="/wiki/Kepler-84" title="Kepler-84">84</a></li> <li><a href="/wiki/PH2" title="PH2">86 (PH2)</a></li> <li><a href="/wiki/Kepler-87" title="Kepler-87">87</a></li> <li><a href="/wiki/Kepler-89" title="Kepler-89">89</a></li> <li><a href="/wiki/Kepler-107" title="Kepler-107">107</a></li> <li><a href="/wiki/Kepler-167" title="Kepler-167">167</a></li> <li><a href="/wiki/Kepler-182" title="Kepler-182">182</a></li> <li><a href="/wiki/Kepler-186" title="Kepler-186">186</a></li> <li><a href="/wiki/Kepler-223" title="Kepler-223">223</a></li> <li><a href="/wiki/Kepler-289" title="Kepler-289">289</a></li> <li><a href="/wiki/Kepler-371" title="Kepler-371">371</a></li> <li><a href="/wiki/Kepler-385" title="Kepler-385">385</a></li> <li><a href="/wiki/Kepler-411" title="Kepler-411">411</a></li> <li><a href="/wiki/Kepler-419" title="Kepler-419">419</a></li> <li><a href="/wiki/Kepler-432" title="Kepler-432">432</a></li> <li><a href="/wiki/Kepler-445" title="Kepler-445">445</a></li> <li><a href="/wiki/2MASS_J19383260%2B4603591" class="mw-redirect" title="2MASS J19383260+4603591">451</a></li> <li><a href="/wiki/Kepler-452" title="Kepler-452">452</a></li> <li><a href="/wiki/Kepler-560" class="mw-redirect" title="Kepler-560">560</a></li> <li><a href="/wiki/Kepler-737" title="Kepler-737">737</a></li> <li><a href="/wiki/Kepler-1229" title="Kepler-1229">1229</a></li> <li><a href="/wiki/Kepler-1520" title="Kepler-1520">1520</a></li> <li><a href="/wiki/Kepler-1625" title="Kepler-1625">1625</a></li> <li><a href="/wiki/Kepler-1649" title="Kepler-1649">1649</a></li> <li><a href="/wiki/Kepler-1708" class="mw-redirect" title="Kepler-1708">1708</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em"><a href="/wiki/Wolf-Rayet_star" class="mw-redirect" title="Wolf-Rayet star">WR</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/WR_133" title="WR 133">133</a></li> <li><a href="/wiki/WR_134" title="WR 134">134</a></li> <li><a href="/wiki/WR_135" title="WR 135">135</a></li> <li><a href="/wiki/WR_136" title="WR 136">136</a></li> <li><a href="/wiki/WR_137" title="WR 137">137</a></li> <li><a href="/wiki/WR_138a" title="WR 138a">138a</a></li> <li><a href="/wiki/WR_140" title="WR 140">140</a></li> <li><a href="/wiki/WR_142" title="WR 142">142</a></li> <li><a href="/wiki/WR_147" title="WR 147">147</a></li> <li><a href="/wiki/WR_148" title="WR 148">148</a></li> <li><a href="/wiki/WR_150" title="WR 150">150</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em">Other</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/AFGL_2591" title="AFGL 2591">AFGL 2591</a></li> <li><a href="/wiki/BD%2B40%C2%B0_4210" class="mw-redirect" title="BD+40° 4210">BD+40° 4210</a></li> <li><a href="/wiki/BD%2B43_3654" title="BD+43 3654">BD+43 3654</a></li> <li><a href="/wiki/Cygnus_OB2-8A" title="Cygnus OB2-8A">Cygnus OB2 #8A</a></li> <li><a href="/wiki/Cygnus_OB2-12" title="Cygnus OB2-12">Cygnus OB2 #12</a></li> <li><a href="/wiki/Cygnus_X-1" title="Cygnus X-1">Cygnus X-1</a></li> <li><a href="/wiki/Cygnus_X-3" title="Cygnus X-3">Cygnus X-3</a></li> <li><a href="/wiki/G79.29%2B0.46" title="G79.29+0.46">G79.29+0.46</a></li> <li><a href="/wiki/G_208-44/208-45" class="mw-redirect" title="G 208-44/208-45">G 208-44</a></li> <li><a href="/wiki/G_208-44/208-45" class="mw-redirect" title="G 208-44/208-45">G 208-45</a></li> <li><a href="/wiki/GSC_03949-00967" title="GSC 03949-00967">GSC 03949-00967</a></li> <li><a href="/wiki/HAT-P-17" title="HAT-P-17">HAT-P-17</a></li> <li><a href="/wiki/KELT-9b#Host_star" title="KELT-9b">KELT-9</a></li> <li><a href="/wiki/KELT-20" title="KELT-20">KELT-20</a></li> <li><a href="/wiki/Tabby%27s_Star" title="Tabby&#39;s Star">KIC 8462852</a></li> <li><a href="/wiki/KIC_9832227" title="KIC 9832227">KIC 9832227</a></li> <li><a href="/wiki/KIC_9970396" title="KIC 9970396">KIC 9970396</a></li> <li><a href="/wiki/KIC_11026764" class="mw-redirect" title="KIC 11026764">KIC 11026764</a></li> <li><a href="/wiki/KIC_11145123" title="KIC 11145123">KIC 11145123</a></li> <li><a href="/wiki/KOI-5" title="KOI-5">KOI-5</a></li> <li><a href="/wiki/KOI-74" title="KOI-74">KOI-74</a></li> <li><a href="/wiki/KOI-81" title="KOI-81">KOI-81</a></li> <li><a href="/wiki/KOI-256" title="KOI-256">KOI-256</a></li> <li><a href="/wiki/MWC_349" title="MWC 349">MWC 349</a></li> <li><a href="/wiki/N6946-BH1" title="N6946-BH1">N6946-BH1</a></li> <li><a href="/wiki/PSR_J2032%2B4127" title="PSR J2032+4127">PSR J2032+4127</a></li> <li><a href="/wiki/SPECULOOS-3" title="SPECULOOS-3">SPECULOOS-3</a></li> <li><a href="/wiki/W75N(B)-VLA2" title="W75N(B)-VLA2">W75N(B)-VLA2</a></li> <li><a href="/wiki/WASP-48" title="WASP-48">WASP-48</a></li> <li><a href="/wiki/WISE_J2000%2B3629" title="WISE J2000+3629">WISE J2000+3629</a></li> <li><a href="/wiki/Wolf_1069" title="Wolf 1069">Wolf 1069</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%"><a href="/wiki/Star_cluster" title="Star cluster">Star<br />clusters</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:6em"><a href="/wiki/Stellar_association" title="Stellar association">Association</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cygnus_OB2" title="Cygnus OB2">Cygnus OB2</a></li> <li><a href="/wiki/Cygnus_OB7" title="Cygnus OB7">Cygnus OB7</a></li> <li><a href="/wiki/Cygnus_OB9" title="Cygnus OB9">Cygnus OB9</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em"><a href="/wiki/Open_cluster" title="Open cluster">Open</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Berkeley_86" title="Berkeley 86">Berkeley 86</a></li> <li><a href="/wiki/DR_6" title="DR 6">DR 6</a></li> <li><a href="/wiki/IC_5146" title="IC 5146">IC 5146</a></li> <li><a href="/wiki/Messier_29" title="Messier 29">Messier 29</a></li> <li><a href="/wiki/Messier_39" title="Messier 39">Messier 39</a></li> <li><a href="/wiki/NGC_6811" title="NGC 6811">NGC 6811</a></li> <li><a href="/wiki/NGC_6819" title="NGC 6819">NGC 6819</a></li> <li><a href="/wiki/NGC_6834" title="NGC 6834">NGC 6834</a></li> <li><a href="/wiki/NGC_6866" title="NGC 6866">NGC 6866</a></li> <li><a href="/wiki/NGC_6871" title="NGC 6871">NGC 6871</a></li> <li><a href="/wiki/NGC_6910" title="NGC 6910">NGC 6910</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%"><a href="/wiki/Molecular_cloud" title="Molecular cloud">Molecular<br />clouds</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cygnus_X_(star_complex)" title="Cygnus X (star complex)">Cygnus X</a> <small>(including <a href="/wiki/DR_21" title="DR 21">DR 21</a>)</small></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%"><a href="/wiki/Nebula" title="Nebula">Nebulae</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:6em"><a href="/wiki/Dark_nebula" title="Dark nebula">Dark</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Barnard_146" class="mw-redirect" title="Barnard 146">Barnard 146</a></li> <li><a href="/wiki/Barnard_147" title="Barnard 147">Barnard 147</a></li> <li><a href="/wiki/IC_5146" title="IC 5146">IC 5146</a></li> <li><a href="/wiki/L1014" title="L1014">L1014</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em"><a href="/wiki/H_II_region" title="H II region">H II</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/NGC_6914" title="NGC 6914">NGC 6914</a></li> <li><a href="/wiki/North_America_Nebula" title="North America Nebula">North America Nebula</a></li> <li><a href="/wiki/Pelican_Nebula" title="Pelican Nebula">Pelican Nebula</a></li> <li><a href="/wiki/Sadr_Region" title="Sadr Region">Sadr Region</a></li> <li><a href="/wiki/Sh2-101" class="mw-redirect" title="Sh2-101">Sh2-101</a></li> <li><a href="/wiki/Sh2-106" class="mw-redirect" title="Sh2-106">Sh2-106</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em"><a href="/wiki/Planetary_nebula" title="Planetary nebula">Planetary</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Abell_78" title="Abell 78">Abell 78</a></li> <li><a href="/wiki/Egg_Nebula" title="Egg Nebula">Egg Nebula</a></li> <li><a href="/wiki/IRAS_19475%2B3119" title="IRAS 19475+3119">IRAS 19475+3119</a></li> <li><a href="/wiki/IRAS_20324%2B4057" title="IRAS 20324+4057">IRAS 20324+4057</a></li> <li><a href="/wiki/Kronberger_61" title="Kronberger 61">Kronberger 61</a></li> <li><a href="/wiki/M1-92" title="M1-92">M1-92</a></li> <li><a href="/wiki/NGC_6826" title="NGC 6826">NGC 6826</a></li> <li><a href="/wiki/NGC_6881" title="NGC 6881">NGC 6881</a></li> <li><a href="/wiki/NGC_6884" title="NGC 6884">NGC 6884</a></li> <li><a href="/wiki/NGC_7008" title="NGC 7008">NGC 7008</a></li> <li><a href="/wiki/NGC_7026" title="NGC 7026">NGC 7026</a></li> <li><a href="/wiki/NGC_7027" title="NGC 7027">NGC 7027</a></li> <li><a href="/wiki/NGC_7048" title="NGC 7048">NGC 7048</a></li> <li><a href="/wiki/Soap_Bubble_Nebula" title="Soap Bubble Nebula">Soap Bubble Nebula</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em"><a href="/wiki/Wolf%E2%80%93Rayet_nebula" title="Wolf–Rayet nebula">WR</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Crescent_Nebula" title="Crescent Nebula">Crescent Nebula</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em"><a href="/wiki/Supernova_remnant" title="Supernova remnant">SNR</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cygnus_Loop" title="Cygnus Loop">Cygnus Loop</a> <small>(including <a href="/wiki/Veil_Nebula" title="Veil Nebula">Veil Nebula</a>)</small></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%"><a href="/wiki/Galaxy" title="Galaxy">Galaxies</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:6em"><a href="/wiki/New_General_Catalogue" title="New General Catalogue">NGC</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/NGC_6801" title="NGC 6801">6801</a></li> <li><a href="/wiki/NGC_6946" title="NGC 6946">6946</a></li> <li><a href="/wiki/NGC_7013" title="NGC 7013">7013</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em">Other</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/3C_438" title="3C 438">3C 438</a></li> <li><a href="/wiki/4C_%2B48.48" title="4C +48.48">4C +48.48</a></li> <li><a href="/wiki/Cygnus_A" title="Cygnus A">Cygnus A</a></li> <li><a href="/wiki/ZTF_J203349.8%2B322901.1" class="mw-redirect" title="ZTF J203349.8+322901.1">ZTF J203349.8+322901.1</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%"><a href="/wiki/Exoplanet" title="Exoplanet">Exoplanets</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:6em"><a href="/wiki/List_of_exoplanets_discovered_by_the_Kepler_space_telescope" title="List of exoplanets discovered by the Kepler space telescope">Kepler</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/HAT-P-7b" title="HAT-P-7b">2b</a></li> <li><a href="/wiki/HAT-P-11b" title="HAT-P-11b">3b</a></li> <li><a href="/wiki/HAT-P-11c" class="mw-redirect" title="HAT-P-11c">3c</a></li> <li><a href="/wiki/Kepler-5b" title="Kepler-5b">5b</a></li> <li><a href="/wiki/Kepler-6b" title="Kepler-6b">6b</a></li> <li><a href="/wiki/Kepler-11b" title="Kepler-11b">11b</a></li> <li><a href="/wiki/Kepler-15b" title="Kepler-15b">15b</a></li> <li><a href="/wiki/Kepler-16b" title="Kepler-16b">16b</a></li> <li><a href="/wiki/Kepler-17b" title="Kepler-17b">17b</a></li> <li><a href="/wiki/Kepler-22b" title="Kepler-22b">22b</a></li> <li><a href="/wiki/Kepler-23b" title="Kepler-23b">23b</a></li> <li><a href="/wiki/Kepler-28b" title="Kepler-28b">28b</a></li> <li><a href="/wiki/Kepler-32b" title="Kepler-32b">32b</a></li> <li><a href="/wiki/Kepler-33b" title="Kepler-33b">33b</a></li> <li><a href="/wiki/Kepler-34b" title="Kepler-34b">34b</a></li> <li><a href="/wiki/Kepler-36b" title="Kepler-36b">36b</a></li> <li><a href="/wiki/Kepler-39b" title="Kepler-39b">39b</a></li> <li><a href="/wiki/Kepler-40b" title="Kepler-40b">40b</a></li> <li><a href="/wiki/Kepler-41b" title="Kepler-41b">41b</a></li> <li><a href="/wiki/Kepler-47b" title="Kepler-47b">47b</a></li> <li><a href="/wiki/Kepler-56b" title="Kepler-56b">56b</a></li> <li><a href="/wiki/Kepler-61b" title="Kepler-61b">61b</a></li> <li><a href="/wiki/PH1b" title="PH1b">64b (PH1b)</a></li> <li><a href="/wiki/Kepler-68b" title="Kepler-68b">68b</a></li> <li><a href="/wiki/Kepler-69b" title="Kepler-69b">69b</a></li> <li><a href="/wiki/Kepler-70b" class="mw-redirect" title="Kepler-70b">70b</a></li> <li><a href="/wiki/Kepler-78b" title="Kepler-78b">78b</a></li> <li><a href="/wiki/Kepler-87c" title="Kepler-87c">87c</a></li> <li><a href="/wiki/Kepler-186b" title="Kepler-186b">186b</a></li> <li><a href="/wiki/Kepler-186e" title="Kepler-186e">e</a></li> <li><a href="/wiki/Kepler-186f" title="Kepler-186f">f</a></li> <li><a href="/wiki/Kepler-371b" title="Kepler-371b">371b</a></li> <li><a href="/wiki/Kepler-371c" title="Kepler-371c">c</a></li> <li><a href="/wiki/Kepler-409b" title="Kepler-409b">409b</a></li> <li><a href="/wiki/Kepler-419b" title="Kepler-419b">419b</a></li> <li><a href="/wiki/Kepler-432b" title="Kepler-432b">432b</a></li> <li><a href="/wiki/Kepler-451b" class="mw-redirect" title="Kepler-451b">451b</a></li> <li><a href="/wiki/Kepler-452b" title="Kepler-452b">452b</a></li> <li><a href="/wiki/Kepler-560b" title="Kepler-560b">560b</a></li> <li><a href="/wiki/Kepler-737b" title="Kepler-737b">737b</a></li> <li><a href="/wiki/Kepler-1229b" title="Kepler-1229b">1229b</a></li> <li><a href="/wiki/Kepler-1520b" title="Kepler-1520b">1520b</a></li> <li><a href="/wiki/Kepler-1625b" title="Kepler-1625b">1625b</a></li> <li><a href="/wiki/Kepler-1652b" title="Kepler-1652b">1652b</a></li> <li><a href="/wiki/Kepler-1658b" title="Kepler-1658b">1658b</a></li> <li><a href="/wiki/Kepler-1649b" title="Kepler-1649b">1649b</a></li> <li><a href="/wiki/Kepler-1649c" title="Kepler-1649c">c</a></li> <li><a href="/wiki/Kepler-1708b" title="Kepler-1708b">1708b</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em">Other</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/HIP_99770_b" title="HIP 99770 b">b<sup>3</sup> Cygni b</a></li> <li><a href="/wiki/HD_185269_b" title="HD 185269 b">HD 185269 b</a></li> <li><a href="/wiki/HD_187123_b" title="HD 187123 b">HD 187123 b</a></li> <li><a href="/wiki/HD_187123_c" title="HD 187123 c">c</a></li> <li><a href="/wiki/HD_191806_b" title="HD 191806 b">HD 191806 b</a></li> <li><a href="/wiki/KELT-9b" title="KELT-9b">KELT-9b</a></li> <li><a class="mw-selflink selflink">KELT-20b</a></li> <li><a href="/wiki/TrES-5b" title="TrES-5b">TrES-5b</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%"><a href="/wiki/Exomoon" title="Exomoon">Exomoons</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Kepler" scope="row" class="navbox-group" style="width:6em"><a href="/wiki/List_of_exoplanets_discovered_by_the_Kepler_space_telescope" title="List of exoplanets discovered by the Kepler space telescope">Kepler</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Kepler-1625b_I" title="Kepler-1625b I">1625b I</a></li> <li><a href="/wiki/Kepler-1708b_I" class="mw-redirect" title="Kepler-1708b I">1708b I</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table></div> <!-- NewPP limit report Parsed by mw‐api‐ext.codfw.main‐7556f8b5dd‐lp595 Cached time: 20241122160231 Cache expiry: 2592000 Reduced expiry: false Complications: [vary‐revision‐sha1] CPU time usage: 0.519 seconds 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