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Draconis </caption><tbody><tr><td colspan="2" style="text-align:center;"><div style="text-align: center; margin-left:auto; margin-right:auto"><div class="center"> <div class="floatnone"> <div style="width:320px;"> <div style="position:relative; background-color:#FFFFFF; ;"><span typeof="mw:File"><a href="/wiki/File:Draco_constellation_map.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c3/Draco_constellation_map.svg/320px-Draco_constellation_map.svg.png" decoding="async" width="320" height="355" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c3/Draco_constellation_map.svg/480px-Draco_constellation_map.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c3/Draco_constellation_map.svg/640px-Draco_constellation_map.svg.png 2x" data-file-width="320" data-file-height="355" /></a></span><div style="position: absolute; z-index: 2; height: 0; width: 0; margin: 0; padding: 0; top: 231px; left: 38px;"> <div style="position: relative; z-index: 3; line-height: 0; text-align: center; width: 10px; left: -5px; top: -5px;"><span typeof="mw:File"><a href="/wiki/%CE%9F_Draconis" title="Ο Draconis"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/05/Red_circle.svg/10px-Red_circle.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/05/Red_circle.svg/15px-Red_circle.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/05/Red_circle.svg/20px-Red_circle.svg.png 2x" data-file-width="200" data-file-height="200" /></a></span></div><div style="position: relative; z-index: 4; font-size: 90%; line-height: 111%; width: 6em; top: -1.5em; left: 0.5em; text-align: left;"><span style="padding: 1px;"></span></div> </div></div> </div> </div> </div>Location of ο Dra (circled)</div></td></tr> <tr> <th style="text-align: center; background-color: #FFFFC0;" colspan="2">Observation data<br /><a href="/wiki/Epoch_(astronomy)" title="Epoch (astronomy)">Epoch</a> J2000      <a href="/wiki/Equinox_(celestial_coordinates)" title="Equinox (celestial coordinates)">Equinox</a> J2000 </th></tr> <tr style="vertical-align:top"> <th style="text-align:left"><a href="/wiki/Constellation" title="Constellation">Constellation</a> </th> <td><a href="/wiki/Draco_(constellation)" title="Draco (constellation)">Draco</a> </td></tr> <tr style="vertical-align:top"> <th style="text-align:left"><span class="nowrap"><a href="/wiki/Right_ascension" title="Right ascension">Right ascension</a></span> </th> <td><span class="nowrap">18<sup>h</sup> 51<sup>m</sup> 12.09530<sup>s</sup></span><sup id="cite_ref-hipparcos_1-0" class="reference"><a href="#cite_note-hipparcos-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </td></tr> <tr style="vertical-align:top"> <th style="text-align:left"><a href="/wiki/Declination" title="Declination">Declination</a> </th> <td>+59° 23′ 18.0627″<sup id="cite_ref-hipparcos_1-1" class="reference"><a href="#cite_note-hipparcos-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </td></tr> <tr style="vertical-align:top"> <th style="text-align:left"><span class="nowrap"><a href="/wiki/Apparent_magnitude" title="Apparent magnitude">Apparent magnitude</a> (V)</span> </th> <td>4.65<sup id="cite_ref-hr_2-0" class="reference"><a href="#cite_note-hr-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <th style="background-color: #FFFFC0; text-align: center;" colspan="2">Characteristics </th></tr> <tr style="vertical-align:top"> <th style="text-align:left"><a href="/wiki/Stellar_classification" title="Stellar classification">Spectral type</a> </th> <td>G9III<sup id="cite_ref-perkins_3-0" class="reference"><a href="#cite_note-perkins-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </td></tr> <tr style="vertical-align:top"> <th style="text-align:left">U−B <a href="/wiki/Color_index" title="Color index">color index</a> </th> <td>+1.19<sup id="cite_ref-hr_2-1" class="reference"><a href="#cite_note-hr-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </td></tr> <tr style="vertical-align:top"> <th style="text-align:left"><a href="/wiki/Variable_star" title="Variable star">Variable type</a> </th> <td><a href="/wiki/RS_Canum_Venaticorum_variable" title="RS Canum Venaticorum variable">RS CVn</a> + <a href="/wiki/Eclipsing_variable" class="mw-redirect" title="Eclipsing variable">eclipsing</a><sup id="cite_ref-orbit_4-0" class="reference"><a href="#cite_note-orbit-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </td></tr> <tr><th style="background-color: #FFFFC0; text-align: center;" colspan="2"><a href="/wiki/Astrometry" title="Astrometry">Astrometry</a></th></tr><tr><th colspan="2" style="text-align: center"></th></tr><tr style="vertical-align:top;"><td><b><a href="/wiki/Radial_velocity" title="Radial velocity">Radial velocity</a> (R<sub>v</sub>)</b></td><td>−19.52<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> km/s</td></tr><tr style="vertical-align:top;"><td><b><a href="/wiki/Proper_motion" title="Proper motion">Proper motion</a> (μ)</b></td><td> <abbr title="Right Ascension">RA:</abbr> 77.47<sup id="cite_ref-hipparcos_1-2" class="reference"><a href="#cite_note-hipparcos-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Milliarcsecond" class="mw-redirect" title="Milliarcsecond">mas</a>/<a href="/wiki/Year" title="Year">yr</a> <br /> <abbr title="Declination">Dec.:</abbr> 25.37<sup id="cite_ref-hipparcos_1-3" class="reference"><a href="#cite_note-hipparcos-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Milliarcsecond" class="mw-redirect" title="Milliarcsecond">mas</a>/<a href="/wiki/Year" title="Year">yr</a> </td></tr><tr style="vertical-align:top;"><td><b><a href="/wiki/Stellar_parallax" title="Stellar parallax">Parallax</a> (π)</b></td><td>9.54 ± 0.21 <a href="/wiki/Milliarcsecond" class="mw-redirect" title="Milliarcsecond">mas</a><sup id="cite_ref-hipparcos_1-4" class="reference"><a href="#cite_note-hipparcos-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></td></tr><tr style="vertical-align:top;"><td><b><a href="/wiki/Distance_(astronomy)" class="mw-redirect" title="Distance (astronomy)">Distance</a></b></td><td>106.8<sup id="cite_ref-orbit_4-1" class="reference"><a href="#cite_note-orbit-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Parsec" title="Parsec">pc</a></td></tr><tr style="vertical-align:top;"><td><b><a href="/wiki/Absolute_magnitude" title="Absolute magnitude">Absolute magnitude</a> (M<sub>V</sub>)</b></td><td>−0.344<sup id="cite_ref-BohmVitense2000_6-0" class="reference"><a href="#cite_note-BohmVitense2000-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup></td></tr><tr><th colspan="2" style="text-align: center"></th></tr> <tr><th style="background-color: #FFFFC0; text-align: center;" colspan="2"><a href="/wiki/Orbit" title="Orbit">Orbit</a><sup id="cite_ref-orbit_4-2" class="reference"><a href="#cite_note-orbit-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup></th></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Orbital_period" title="Orbital period">Period</a> (P)</b></td><td>138.444 ± 0.003 days</td></tr><tr style="vertical-align:baseline;"><td><span class="nowrap"><b><a href="/wiki/Semi-major_axis" class="mw-redirect" title="Semi-major axis">Semi-major axis</a> (a)</b></span></td><td>0.00651 ± 0.00003″</td></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Eccentricity_(orbit)" class="mw-redirect" title="Eccentricity (orbit)">Eccentricity</a> (e)</b></td><td>0.158 ± 0.003</td></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Inclination" class="mw-redirect" title="Inclination">Inclination</a> (i)</b></td><td>89.6 ± 0.3°</td></tr><tr style="vertical-align:baseline;"><td><span class="nowrap"><b><a href="/wiki/Longitude_of_the_node" class="mw-redirect" title="Longitude of the node">Longitude of the node</a> (Ω)</b></span></td><td>22.9 ± 0.2°</td></tr><tr style="vertical-align:baseline;"><td><span class="nowrap"><b><a href="/wiki/Periastron" class="mw-redirect" title="Periastron">Periastron</a> <a href="/wiki/Epoch_(astronomy)" title="Epoch (astronomy)">epoch</a> (T)</b></span></td><td>2454983.0 ± 0.2</td></tr><tr style="vertical-align:baseline;"><td><span class="nowrap"><b><a href="/wiki/Argument_of_periastron" class="mw-redirect" title="Argument of periastron">Argument of periastron</a> (ω)</b></span><br />(secondary)</td><td>293.0 ± 0.6°</td></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Semi-amplitude" class="mw-redirect" title="Semi-amplitude">Semi-amplitude</a></b> (K<sub>1</sub>)<br />(primary)</td><td>23.42 ± 0.05 km/s</td></tr><tr style="vertical-align:baseline;"><td><b>Semi-amplitude</b> (K<sub>2</sub>)<br />(secondary)</td><td>32.0 ± 0.4 km/s</td></tr> <tr><th style="background-color: #FFFFC0; text-align: center;" colspan="2">Details</th></tr><tr><th colspan="2" style="text-align: center">ο Dra A</th></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Stellar_mass" title="Stellar mass">Mass</a></b></td><td>1.35<sup id="cite_ref-orbit_4-3" class="reference"><a href="#cite_note-orbit-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Solar_mass" title="Solar mass"><var>M</var><sub>☉</sub></a></td></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Radius" title="Radius">Radius</a></b></td><td>25.1<sup id="cite_ref-orbit_4-4" class="reference"><a href="#cite_note-orbit-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Solar_radius" title="Solar radius"><var>R</var><sub>☉</sub></a></td></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Luminosity" title="Luminosity">Luminosity</a></b></td><td>220<sup id="cite_ref-orbit_4-5" class="reference"><a href="#cite_note-orbit-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Solar_luminosity" title="Solar luminosity"><var>L</var><sub>☉</sub></a></td></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Surface_gravity" title="Surface gravity">Surface gravity</a> (log <i>g</i>)</b></td><td>1.769<sup id="cite_ref-orbit_4-6" class="reference"><a href="#cite_note-orbit-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Centimetre%E2%80%93gram%E2%80%93second_system_of_units" title="Centimetre–gram–second system of units">cgs</a></td></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Effective_temperature" title="Effective temperature">Temperature</a></b></td><td><span class="nowrap"><span data-sort-value="7003440000000000000♠"></span>4400</span><sup id="cite_ref-aaa398_1163_7-0" class="reference"><a href="#cite_note-aaa398_1163-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Kelvin" title="Kelvin">K</a></td></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Metallicity" title="Metallicity">Metallicity</a></b> [Fe/H]</td><td>−0.5<sup id="cite_ref-perkins_3-1" class="reference"><a href="#cite_note-perkins-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Decimal_exponent" class="mw-redirect" title="Decimal exponent">dex</a></td></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Stellar_rotation" title="Stellar rotation">Rotation</a></b></td><td>79<sup id="cite_ref-orbit_4-7" class="reference"><a href="#cite_note-orbit-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup></td></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Projected_rotational_velocity" class="mw-redirect" title="Projected rotational velocity">Rotational velocity</a> (<i>v</i> sin <i>i</i>)</b></td><td>20.0<sup id="cite_ref-BohmVitense2000_6-1" class="reference"><a href="#cite_note-BohmVitense2000-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> km/s</td></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Stellar_evolution" title="Stellar evolution">Age</a></b></td><td>3.0<sup id="cite_ref-orbit_4-8" class="reference"><a href="#cite_note-orbit-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Gigayear" class="mw-redirect" title="Gigayear">Gyr</a></td></tr><tr><th colspan="2" style="text-align: center">ο Dra B</th></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Stellar_mass" title="Stellar mass">Mass</a></b></td><td>0.99<sup id="cite_ref-orbit_4-9" class="reference"><a href="#cite_note-orbit-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Solar_mass" title="Solar mass"><var>M</var><sub>☉</sub></a></td></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Radius" title="Radius">Radius</a></b></td><td>1.0<sup id="cite_ref-orbit_4-10" class="reference"><a href="#cite_note-orbit-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Solar_radius" title="Solar radius"><var>R</var><sub>☉</sub></a></td></tr><tr style="vertical-align:baseline;"><td><b>Luminosity</b></td><td>1.3<sup id="cite_ref-orbit_4-11" class="reference"><a href="#cite_note-orbit-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Solar_luminosity" title="Solar luminosity"><var>L</var><sub>☉</sub></a></td></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Surface_gravity" title="Surface gravity">Surface gravity</a> (log <i>g</i>)</b></td><td>4.43<sup id="cite_ref-orbit_4-12" class="reference"><a href="#cite_note-orbit-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Centimetre%E2%80%93gram%E2%80%93second_system_of_units" title="Centimetre–gram–second system of units">cgs</a></td></tr><tr style="vertical-align:baseline;"><td><b><a href="/wiki/Effective_temperature" title="Effective temperature">Temperature</a></b></td><td>6,000<sup id="cite_ref-orbit_4-13" class="reference"><a href="#cite_note-orbit-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Kelvin" title="Kelvin">K</a></td></tr> <tr><th style="background-color: #FFFFC0; text-align: center;" colspan="2"><a href="/wiki/Star_catalogue" title="Star catalogue">Other designations</a></th></tr><tr><td colspan="2"><div style="width: 250px;"> <a href="/wiki/Bayer_designation" title="Bayer designation">Omicron</a> Draconis, <a href="/wiki/Flamsteed_designation" title="Flamsteed designation">47</a> Draconis, <a href="/wiki/Bright_Star_Catalogue" title="Bright Star Catalogue">HR</a> 7125, <a href="/wiki/Henry_Draper_Catalogue" title="Henry Draper Catalogue">HD</a> 175306, <a href="/wiki/Hipparcos_Catalogue" class="mw-redirect" title="Hipparcos Catalogue">HIP</a> 92512, <a href="/wiki/Bonner_Durchmusterung" class="mw-redirect" title="Bonner Durchmusterung">BD</a>+59°1925 </div></td></tr> <tr><th style="background-color: #FFFFC0; text-align: center;" colspan="2">Database references</th></tr><tr style="vertical-align: top;"><td><b><a href="/wiki/SIMBAD" title="SIMBAD">SIMBAD</a></b></td><td><a rel="nofollow" class="external text" href="https://simbad.cds.unistra.fr/simbad/sim-id?Ident=Omicron+Draconis">data</a></td></tr> </tbody></table> <p><b>Omicron Draconis</b> (Latinised as <b>ο Draconis</b>, abbreviated to ο Dra) is a <a href="/wiki/Giant_star" title="Giant star">giant star</a> in the <a href="/wiki/Constellation" title="Constellation">constellation</a> <a href="/wiki/Draco_(constellation)" title="Draco (constellation)">Draco</a> located 322.93 <a href="/wiki/Light_year" class="mw-redirect" title="Light year">light years</a> from the Earth. Its path in the night sky is <a href="/wiki/Circumpolar_star" title="Circumpolar star">circumpolar</a> for latitudes greater than 31<sup>o</sup> north, meaning the star never rises or sets when viewed in the night sky. </p> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:OmicronDraLightCurve.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b5/OmicronDraLightCurve.png/220px-OmicronDraLightCurve.png" decoding="async" width="220" height="143" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b5/OmicronDraLightCurve.png/330px-OmicronDraLightCurve.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b5/OmicronDraLightCurve.png/440px-OmicronDraLightCurve.png 2x" data-file-width="1500" data-file-height="975" /></a><figcaption>A <a href="/wiki/Photometric_system#Photometric_letters" title="Photometric system">visual band</a> <a href="/wiki/Light_curve" title="Light curve">light curve</a> for Omicron Draconis, adapted from Roettenbacher <i>et al.</i> (2015)<sup id="cite_ref-orbit_4-14" class="reference"><a href="#cite_note-orbit-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup></figcaption></figure> <p>This is a single-lined <a href="/wiki/Spectroscopic_binary" class="mw-redirect" title="Spectroscopic binary">spectroscopic binary</a> system,<sup id="cite_ref-aaa398_1163_7-1" class="reference"><a href="#cite_note-aaa398_1163-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> but the secondary has been detected using <a href="/wiki/Interferometry" title="Interferometry">interferometry</a>. It is an <a href="/wiki/RS_Canum_Venaticorum_variable" title="RS Canum Venaticorum variable">RS Canum Venaticorum variable</a> system with eclipses. The total amplitude of variation is only a few hundredths of a magnitude.<sup id="cite_ref-IVSI_8-0" class="reference"><a href="#cite_note-IVSI-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-orbit_4-15" class="reference"><a href="#cite_note-orbit-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> The secondary star is similar to the Sun, presumably a <a href="/wiki/Main_sequence" title="Main sequence">main sequence</a> star, while the primary is a <a href="/wiki/Giant_star" title="Giant star">giant star</a> 25 times larger than the Sun and two hundred times more luminous. </p> <div class="mw-heading mw-heading2"><h2 id="Identities_as_pole_star">Identities as pole star</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Omicron_Draconis&action=edit&section=1" title="Edit section: Identities as pole star"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Omicron Draconis can be considered the north <a href="/wiki/Pole_star" title="Pole star">pole star</a> of <a href="/wiki/Mercury_(planet)" title="Mercury (planet)">Mercury</a>, as it is the closest star to Mercury's north <a href="/wiki/Celestial_pole" title="Celestial pole">celestial pole</a>.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> In addition to that, this star is currently the <a href="/wiki/Moon" title="Moon">Moon</a>'s north <a href="/wiki/Pole_star" title="Pole star">pole star</a>, which occurs once every 18.6 years.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> The pole star status changes periodically, because of the <a href="/wiki/Cassini%27s_laws" title="Cassini's laws">precession</a> of the Moon's rotational axis. </p> <div style="clear:left;" class=""></div> <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=Omicron_Draconis&action=edit&section=2" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <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 class="mw-references-wrap"><ol class="references"> <li id="cite_note-hipparcos-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-hipparcos_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-hipparcos_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-hipparcos_1-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-hipparcos_1-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-hipparcos_1-4"><sup><i><b>e</b></i></sup></a></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 a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .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 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.navbox-abovebelow,.mw-parser-output .navbox-group,.mw-parser-output .navbox-subgroup .navbox-title{background-color:#ddf}.mw-parser-output .navbox-subgroup .navbox-group,.mw-parser-output .navbox-subgroup .navbox-abovebelow{background-color:#e6e6ff}.mw-parser-output .navbox-even{background-color:#f7f7f7}.mw-parser-output .navbox-odd{background-color:transparent}.mw-parser-output .navbox .hlist td dl,.mw-parser-output .navbox .hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="Constellation_of_Draco" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2" style="text-align: center;"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar 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:Draco_(constellation)" title="Template:Draco (constellation)"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Draco_(constellation)" title="Template talk:Draco (constellation)"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Draco_(constellation)" title="Special:EditPage/Template:Draco (constellation)"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Constellation_of_Draco" style="font-size:114%;margin:0 4em"><a href="/wiki/Draco_(constellation)" title="Draco (constellation)">Constellation of Draco</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_Draco" title="List of stars in Draco">List of stars in Draco</a></li> <li><a href="/wiki/Draco_in_Chinese_astronomy" title="Draco in Chinese astronomy">Draco in Chinese astronomy</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:55px"><a href="/wiki/Star" title="Star">Stars</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="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:70px"><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/Thuban" title="Thuban">α (Thuban)</a></li> <li><a href="/wiki/Beta_Draconis" title="Beta Draconis">β (Rastaban)</a></li> <li><a href="/wiki/Gamma_Draconis" title="Gamma Draconis">γ (Eltanin)</a></li> <li><a href="/wiki/Delta_Draconis" title="Delta Draconis">δ (Altais)</a></li> <li><a href="/wiki/Epsilon_Draconis" title="Epsilon Draconis">ε <i>(Tyl)</i></a></li> <li><a href="/wiki/Zeta_Draconis" title="Zeta Draconis">ζ (Aldhibah)</a></li> <li><a href="/wiki/Eta_Draconis" title="Eta Draconis">η (Athebyne)</a></li> <li><a href="/wiki/Theta_Draconis" title="Theta Draconis">θ</a></li> <li><a href="/wiki/Iota_Draconis" title="Iota Draconis">ι (Edasich)</a></li> <li><a href="/wiki/Kappa_Draconis" title="Kappa Draconis">κ</a></li> <li><a href="/wiki/Lambda_Draconis" title="Lambda Draconis">λ (Giausar)</a></li> <li><a href="/wiki/Mu_Draconis" title="Mu Draconis">μ (Alrakis)</a></li> <li><a href="/wiki/Nu_Draconis" title="Nu Draconis">ν <i>(Kuma)</i></a></li> <li><a href="/wiki/Xi_Draconis" title="Xi Draconis">ξ (Grumium)</a></li> <li><a class="mw-selflink selflink">ο</a></li> <li><a href="/wiki/Pi_Draconis" title="Pi Draconis">π</a></li> <li><a href="/wiki/Rho_Draconis" title="Rho Draconis">ρ</a></li> <li><a href="/wiki/Sigma_Draconis" title="Sigma Draconis">σ (Alsafi)</a></li> <li><a href="/wiki/Tau_Draconis" title="Tau Draconis">τ</a></li> <li><a href="/wiki/Upsilon_Draconis" title="Upsilon Draconis">υ</a></li> <li><a href="/wiki/Phi_Draconis" title="Phi Draconis">φ</a></li> <li><a href="/wiki/Chi_Draconis" title="Chi Draconis">χ</a></li> <li><a href="/wiki/Psi1_Draconis" title="Psi1 Draconis">ψ<sup>1</sup> (Dziban)</a></li> <li><a href="/wiki/Psi2_Draconis" title="Psi2 Draconis">ψ<sup>2</sup></a></li> <li><a href="/wiki/Omega_Draconis" title="Omega Draconis">ω</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:70px"><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/6_Draconis" title="6 Draconis">6</a></li> <li><a href="/wiki/7_Draconis" title="7 Draconis">7 (Tianyi)</a></li> <li><a href="/wiki/8_Draconis" title="8 Draconis">8 (Taiyi)</a></li> <li><a href="/wiki/10_Draconis" title="10 Draconis">10 (i)</a></li> <li><a href="/wiki/15_Draconis" title="15 Draconis">15 (A)</a></li> <li><a href="/wiki/18_Draconis" title="18 Draconis">18 (g)</a></li> <li><a href="/wiki/19_Draconis" title="19 Draconis">19 (h)</a></li> <li><a href="/wiki/26_Draconis" title="26 Draconis">26</a></li> <li><a href="/wiki/36_Draconis" title="36 Draconis">36</a></li> <li><a href="/wiki/39_Draconis" title="39 Draconis">39 (b)</a></li> <li><a href="/wiki/42_Draconis" title="42 Draconis">42 (Fafnir)</a></li> <li><a href="/wiki/45_Draconis" title="45 Draconis">45 (d)</a></li> <li><a href="/wiki/64_Draconis" title="64 Draconis">64 (e)</a></li> <li><a href="/wiki/68_Draconis" title="68 Draconis">68</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:70px"><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/HD_139319" title="HD 139319">TW</a></li> <li><a href="/wiki/AG_Draconis" title="AG Draconis">AG</a></li> <li><a href="/wiki/BY_Draconis" title="BY Draconis">BY</a></li> <li><a href="/wiki/CL_Draconis" title="CL Draconis">CL</a></li> <li><a href="/wiki/CM_Draconis" title="CM Draconis">CM</a></li> <li><a href="/wiki/CX_Draconis" title="CX Draconis">CX</a></li> <li><a href="/wiki/DO_Draconis" class="mw-redirect" title="DO Draconis">DO</a></li> <li><a href="/wiki/GSC_03549-02811" title="GSC 03549-02811">V581</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:70px"><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_81817" title="HD 81817">3751</a></li> <li><a href="/wiki/HD_91190" title="HD 91190">4126</a></li> <li><a href="/wiki/HD_113337" title="HD 113337">4934</a></li> <li><a href="/wiki/HD_139357" title="HD 139357">5811</a></li> <li><a href="/wiki/HD_151613" title="HD 151613">6237</a></li> <li><a href="/wiki/Alruba" title="Alruba">6618 (Alruba)</a></li> <li><a href="/wiki/HD_167042" title="HD 167042">6817</a></li> <li><a href="/wiki/HD_175535" title="HD 175535">7137</a></li> <li><a href="/wiki/HD_193664" title="HD 193664">7783</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:70px"><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/HIP_56948" title="HIP 56948">101364</a></li> <li><a href="/wiki/HD_156279" title="HD 156279">156279</a></li> <li><a href="/wiki/HD_158259" title="HD 158259">158259</a></li> <li><a href="/wiki/HD_176693" title="HD 176693">176693</a></li> <li><a href="/wiki/HD_191939" title="HD 191939">191939</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:70px">Other</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/2MASS_1237%2B6526" title="2MASS 1237+6526">2MASS 1237+6526</a></li> <li><a href="/wiki/2MASS_J17554042%2B6551277" class="mw-redirect" title="2MASS J17554042+6551277">2MASS J17554042+6551277</a></li> <li><a href="/wiki/G_240-72" title="G 240-72">G 240-72</a></li> <li><a href="/wiki/GD_356" title="GD 356">GD 356</a></li> <li><a href="/wiki/Gliese_420" class="mw-redirect" title="Gliese 420">Gliese 420</a></li> <li><a href="/wiki/Gliese_625" title="Gliese 625">Gliese 625</a></li> <li><a href="/wiki/Gliese_687" title="Gliese 687">Gliese 687</a></li> <li><a href="/wiki/GRW_%2B70_8247" title="GRW +70 8247">GRW +70 8247</a></li> <li><a href="/wiki/Kepler-4" title="Kepler-4">Kepler-4</a></li> <li><a href="/wiki/Kepler-10" title="Kepler-10">Kepler-10</a></li> <li><a href="/wiki/Kepler-12" title="Kepler-12">Kepler-12</a></li> <li><a href="/wiki/Kepler-90" title="Kepler-90">Kepler-90</a></li> <li><a href="/wiki/Kepler-296" title="Kepler-296">Kepler-296</a></li> <li><a href="/wiki/LP_71-82" title="LP 71-82">LP 71-82</a></li> <li><a href="/wiki/Qatar-1" title="Qatar-1">Qatar-1</a></li> <li><a href="/wiki/Struve_2398" title="Struve 2398">Struve 2398</a></li> <li><a href="/wiki/TOI-1136" title="TOI-1136">TOI-1136</a></li> <li><a href="/wiki/WISEPA_J164715.59%2B563208.2" class="mw-redirect" title="WISEPA J164715.59+563208.2">WISE 1647+5632</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Exoplanets" scope="row" class="navbox-group" style="width:151px;background: #ddddff;"><a href="/wiki/Exoplanet" title="Exoplanet">Exoplanets</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/42_Draconis_b" title="42 Draconis b">Orbitar</a></li> <li><a href="/wiki/HD_139357_b" title="HD 139357 b">HD 139357 b</a></li> <li><a href="/wiki/HD_167042_b" title="HD 167042 b">HD 167042 b</a></li> <li><a href="/wiki/Iota_Draconis_b" title="Iota Draconis b">Hypatia</a></li> <li><a href="/wiki/Kepler-4b" title="Kepler-4b">Kepler-4b</a></li> <li><a href="/wiki/Kepler-10b" title="Kepler-10b">Kepler-10b</a></li> <li><a href="/wiki/Kepler-10c" title="Kepler-10c">c</a></li> <li><a href="/wiki/Kepler-12b" title="Kepler-12b">Kepler-12b</a></li> <li><a href="/wiki/Kepler-90e" title="Kepler-90e">Kepler-90e</a></li> <li><a href="/wiki/Kepler-90f" title="Kepler-90f">f</a></li> <li><a href="/wiki/Kepler-90g" title="Kepler-90g">g</a></li> <li><a href="/wiki/Kepler-90h" title="Kepler-90h">h</a></li> <li><a href="/wiki/Kepler-90i" title="Kepler-90i">i</a></li> <li><a href="/wiki/TOI-1452_b" title="TOI-1452 b">TOI-1452 b</a></li> <li><a href="/wiki/TrES-2b" title="TrES-2b">TrES-2b</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Star_clusters" scope="row" class="navbox-group" style="width:151px;background: #ddddff;"><a href="/wiki/Star_cluster" title="Star cluster">Star clusters</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/LAMOST_1" title="LAMOST 1">LAMOST 1</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Nebulae" scope="row" class="navbox-group" style="width:151px;background: #ddddff;"><a href="/wiki/Nebula" title="Nebula">Nebulae</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/NGC_6742" title="NGC 6742">Abell 50</a></li> <li><a href="/wiki/Cat%27s_Eye_Nebula" title="Cat's Eye Nebula">Cat's Eye Nebula</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:55px"><a href="/wiki/Galaxy" title="Galaxy">Galaxies</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="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:70px"><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_3147" title="NGC 3147">3147</a></li> <li><a href="/wiki/NGC_4121" title="NGC 4121">4121</a></li> <li><a href="/wiki/NGC_4125" title="NGC 4125">4125</a></li> <li><a href="/wiki/NGC_4236" title="NGC 4236">4236</a></li> <li><a href="/wiki/NGC_4319" title="NGC 4319">4319</a></li> <li><a href="/wiki/NGC_4345" class="mw-redirect" title="NGC 4345">4345</a></li> <li><a href="/wiki/NGC_4513" title="NGC 4513">4513</a></li> <li><a href="/wiki/NGC_4589" title="NGC 4589">4589</a></li> <li><a href="/wiki/NGC_5678" title="NGC 5678">5678</a></li> <li><a href="/wiki/NGC_5777" title="NGC 5777">5777</a></li> <li><a href="/wiki/NGC_5866" title="NGC 5866">5866</a></li> <li><a href="/wiki/NGC_5866B" title="NGC 5866B">5866B</a></li> <li><a href="/wiki/NGC_5879" title="NGC 5879">5879</a></li> <li><a href="/wiki/NGC_5906" class="mw-redirect" title="NGC 5906">5906</a></li> <li><a href="/wiki/NGC_5907" title="NGC 5907">5907</a></li> <li><a href="/wiki/NGC_5949" title="NGC 5949">5949</a></li> <li><a href="/wiki/NGC_5963" title="NGC 5963">5963</a></li> <li><a href="/wiki/NGC_5965" title="NGC 5965">5965</a></li> <li><a href="/wiki/NGC_5982" title="NGC 5982">5982</a></li> <li><a href="/wiki/NGC_5985" title="NGC 5985">5985</a></li> <li><a href="/wiki/NGC_6090" title="NGC 6090">6090</a></li> <li><a href="/wiki/NGC_6248" title="NGC 6248">6248</a></li> <li><a href="/wiki/NGC_6285" title="NGC 6285">6285</a></li> <li><a href="/wiki/NGC_6286" title="NGC 6286">6286</a></li> <li><a href="/wiki/NGC_6338" title="NGC 6338">6338</a></li> <li><a href="/wiki/NGC_6340" title="NGC 6340">6340</a></li> <li><a href="/wiki/NGC_6365" title="NGC 6365">6365</a></li> <li><a href="/wiki/NGC_6373" title="NGC 6373">6373</a></li> <li><a href="/wiki/NGC_6394" title="NGC 6394">6394</a></li> <li><a href="/wiki/NGC_6412" title="NGC 6412">6412</a></li> <li><a href="/wiki/NGC_6503" title="NGC 6503">6503</a></li> <li><a href="/wiki/NGC_6566" title="NGC 6566">6566</a></li> <li><a href="/wiki/NGC_6621" title="NGC 6621">6621</a></li> <li><a href="/wiki/NGC_6622" title="NGC 6622">6622</a></li> <li><a href="/wiki/NGC_6670" title="NGC 6670">6670</a></li> <li><a href="/wiki/NGC_6676" title="NGC 6676">6676</a></li> <li><a href="/wiki/NGC_6786" title="NGC 6786">6786</a></li> <li><a href="/wiki/NGC_6789" title="NGC 6789">6789</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:70px">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/1ES_1959%2B650" title="1ES 1959+650">1ES 1959+650</a></li> <li><a href="/wiki/3C_249.1" title="3C 249.1">3C 249.1</a></li> <li><a href="/wiki/3C_305" title="3C 305">3C 305</a></li> <li><a href="/wiki/3C_319" title="3C 319">3C 319</a></li> <li><a href="/wiki/3C_371" title="3C 371">3C 371</a></li> <li><a href="/wiki/3C_390.3" title="3C 390.3">3C 390.3</a></li> <li><a href="/wiki/3C_401" title="3C 401">3C 401</a></li> <li><a href="/wiki/4C_%2B72.26" title="4C +72.26">4C +72.26</a></li> <li><a href="/wiki/H1821%2B643" title="H1821+643">H1821+643</a></li> <li><a href="/wiki/HFLS3" title="HFLS3">HFLS3</a></li> <li><a href="/wiki/KKR_25" title="KKR 25">KKR 25</a></li> <li><a href="/wiki/Markarian_876" title="Markarian 876">Markarian 876</a></li> <li><a href="/wiki/PGC_39058" title="PGC 39058">PGC 39058</a></li> <li><a href="/wiki/S5_1803%2B784" title="S5 1803+784">S5 1803+784</a></li> <li><a href="/wiki/S5_2007%2B777" title="S5 2007+777">S5 2007+777</a></li> <li><a href="/wiki/UGC_9391" title="UGC 9391">UGC 9391</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Galaxy_clusters" scope="row" class="navbox-group" style="width:151px;background: #ddddff;"><a href="/wiki/Galaxy_cluster" title="Galaxy cluster">Galaxy clusters</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/Abell_2218" title="Abell 2218">Abell 2218</a></li> <li><a href="/wiki/CL1358%2B62" title="CL1358+62">CL1358+62</a></li> <li><a href="/wiki/Draco_Supercluster" title="Draco Supercluster">Draco Supercluster</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Astronomical_events" scope="row" class="navbox-group" style="width:151px;background: #ddddff;"><a href="/wiki/Transient_astronomical_event" class="mw-redirect" title="Transient astronomical event">Astronomical events</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/Swift_J1644%2B57" title="Swift J1644+57">Swift J1644+57</a></li> <li><a href="/wiki/SN_2005B" title="SN 2005B">SN 2005B</a></li> <li><a href="/wiki/SN_2016aps" title="SN 2016aps">SN 2016aps</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td class="navbox-abovebelow" colspan="2" style="text-align: center;"><div><span class="noviewer" 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