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Disponible en 14 llengües" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-14" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">14 llengües</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Lambda-Bootis-Stern" title="Lambda-Bootis-Stern - alemany" lang="de" hreflang="de" data-title="Lambda-Bootis-Stern" data-language-autonym="Deutsch" data-language-local-name="alemany" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Lambda_Bo%C3%B6tis_star" title="Lambda Boötis star - anglès" lang="en" hreflang="en" data-title="Lambda Boötis star" data-language-autonym="English" data-language-local-name="anglès" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Estrella_Lambda_Bootis" title="Estrella Lambda Bootis - espanyol" lang="es" hreflang="es" data-title="Estrella Lambda Bootis" data-language-autonym="Español" data-language-local-name="espanyol" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Lambda_Bootis_izar" title="Lambda Bootis izar - basc" lang="eu" hreflang="eu" data-title="Lambda Bootis izar" data-language-autonym="Euskara" data-language-local-name="basc" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/%C3%89toile_de_type_Lambda_Bootis" title="Étoile de type Lambda Bootis - francès" lang="fr" hreflang="fr" data-title="Étoile de type Lambda Bootis" data-language-autonym="Français" data-language-local-name="francès" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Stella_Lambda_Bootis" title="Stella Lambda Bootis - italià" lang="it" hreflang="it" data-title="Stella Lambda Bootis" data-language-autonym="Italiano" data-language-local-name="italià" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%81%86%E3%81%97%E3%81%8B%E3%81%84%E5%BA%A7%E3%83%A9%E3%83%A0%E3%83%80%E5%9E%8B%E6%98%9F" title="うしかい座ラムダ型星 - japonès" lang="ja" hreflang="ja" data-title="うしかい座ラムダ型星" data-language-autonym="日本語" data-language-local-name="japonès" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%85%D0%B2%D0%B5%D0%B7%D0%B4%D0%B0_%D0%BE%D0%B4_%D1%82%D0%B8%D0%BF%D0%BE%D1%82_%D0%BD%D0%B0_%D0%9B%D0%B0%D0%BC%D0%B1%D0%B4%D0%B0_%D0%92%D0%BE%D0%BB%D0%BE%D0%B2%D0%B0%D1%80" title="Ѕвезда од типот на Ламбда Воловар - macedoni" lang="mk" hreflang="mk" data-title="Ѕвезда од типот на Ламбда Воловар" data-language-autonym="Македонски" data-language-local-name="macedoni" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Estrela_Lambda_Bo%C3%B6tis" title="Estrela Lambda Boötis - portuguès" lang="pt" hreflang="pt" data-title="Estrela Lambda Boötis" data-language-autonym="Português" data-language-local-name="portuguès" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%97%D0%B2%D1%91%D0%B7%D0%B4%D1%8B_%D1%82%D0%B8%D0%BF%D0%B0_%D0%9B%D1%8F%D0%BC%D0%B1%D0%B4%D1%8B_%D0%92%D0%BE%D0%BB%D0%BE%D0%BF%D0%B0%D1%81%D0%B0" title="Звёзды типа Лямбды Волопаса - rus" lang="ru" hreflang="ru" data-title="Звёзды типа Лямбды Волопаса" data-language-autonym="Русский" data-language-local-name="rus" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Lambda_Bootis-stj%C3%A4rna" title="Lambda Bootis-stjärna - suec" lang="sv" hreflang="sv" data-title="Lambda Bootis-stjärna" data-language-autonym="Svenska" data-language-local-name="suec" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Lambda_Bo%C3%B6tis_y%C4%B1ld%C4%B1z%C4%B1" title="Lambda Boötis yıldızı - turc" lang="tr" hreflang="tr" data-title="Lambda Boötis yıldızı" data-language-autonym="Türkçe" data-language-local-name="turc" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%97%D0%BE%D1%80%D1%96_%D1%82%D0%B8%D0%BF%D1%83_%CE%BB_%D0%92%D0%BE%D0%BB%D0%BE%D0%BF%D0%B0%D1%81%D0%B0" title="Зорі типу λ Волопаса - ucraïnès" lang="uk" hreflang="uk" data-title="Зорі типу λ Волопаса" data-language-autonym="Українська" data-language-local-name="ucraïnès" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E7%89%A7%E5%A4%AB%E5%BA%A7%CE%BB%E5%9E%8B%E6%98%9F" title="牧夫座λ型星 - xinès" lang="zh" hreflang="zh" data-title="牧夫座λ型星" data-language-autonym="中文" data-language-local-name="xinès" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet 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pàgina"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Aparença"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Aparença</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">mou a la barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">amaga</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">De la Viquipèdia, l'enciclopèdia lliure</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="ca" dir="ltr"><p>Una <b>estrella Lambda Boötis</b> és un tipus d'<a href="/wiki/Estel_peculiar" title="Estel peculiar">estrella peculiar</a> que presenta una inusual baixa abundància dels elements pesants, particularment els del <a href="/wiki/Pic_del_ferro" title="Pic del ferro">pic del ferro</a> (<a href="/wiki/Crom" title="Crom">crom</a>, <a href="/wiki/Magnesi" title="Magnesi">magnesi</a>, <a href="/wiki/Ferro" title="Ferro">ferro</a>, <a href="/wiki/Cobalt" title="Cobalt">cobalt</a> i <a href="/wiki/N%C3%ADquel" title="Níquel">níquel</a>) en les seves capes externes,<sup id="cite_ref-Paunzen_1-0" class="reference"><a href="#cite_note-Paunzen-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> amb la clara excepció de <a href="/wiki/Carboni" title="Carboni">carboni</a>, <a href="/wiki/Nitrogen" title="Nitrogen">nitrogen</a>, <a href="/wiki/Oxigen" title="Oxigen">oxigen</a> i <a href="/wiki/Sofre" title="Sofre">sofre</a>. El seu <a href="/wiki/Tipus_espectral" title="Tipus espectral">tipus espectral</a> està comprès entre B-tardà i F-primerenc. </p><p>La natura de les estrelles Lambda Boötis no és ben coneguda. Poden ser estrelles de <a href="/wiki/Poblaci%C3%B3_estel%C2%B7lar" title="Població estel·lar">Població I</a>, o bé <a href="/wiki/Estrella_pre-seq%C3%BC%C3%A8ncia_principal" class="mw-redirect" title="Estrella pre-seqüència principal">estrelles pre-seqüència principal</a> o estrelles de la <a href="/wiki/Seq%C3%BC%C3%A8ncia_principal" title="Seqüència principal">seqüència principal</a> formades a partir d'un gas els <a href="/wiki/%C3%80toms" class="mw-redirect" title="Àtoms">àtoms</a> metàl·lics del qual van ser absorbits per la <a href="/wiki/Pols_interestel%C2%B7lar" class="mw-redirect" title="Pols interestel·lar">pols interestel·lar</a>. L'explicació més comuna és que el fenomen es deu a l'acreció per l'estrella de feble <a href="/wiki/Metal%C2%B7licitat" title="Metal·licitat">metal·licitat</a> des d'un <a href="/wiki/Disc_protoplanetari" title="Disc protoplanetari">disc protoplanetari</a>.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>És un grup particularment escàs, es pensa que com a màxim un 2% de les estrelles compreses dins el domini espectral rellevant són estrelles Lambda Boötis.<sup id="cite_ref-Paunzen_1-1" class="reference"><a href="#cite_note-Paunzen-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>El prototip d'aquesta classe és <a href="/wiki/Lambda_Bootis" class="mw-redirect" title="Lambda Bootis">Lambda Bootis</a> (λ Boo).<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> L'estrella Alpha Lyrae (<a href="/wiki/Vega" title="Vega">Vega</a>), de la <a href="/wiki/Constel%C2%B7laci%C3%B3_de_la_Lira" title="Constel·lació de la Lira">constel·lació de la Lira</a>, pertany a aquest tipus d'estrelles. </p> <div class="mw-heading mw-heading2"><h2 id="Referències"><span id="Refer.C3.A8ncies"></span>Referències</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Estrella_Lambda_Bo%C3%B6tis&action=edit&section=1" title="Modifica la secció: Referències"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="reflist {{#if: | references-column-count references-column-count-{{{col}}}" style="list-style-type: decimal;"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-Paunzen-1"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-Paunzen_1-0">1,0</a></sup> <sup><a href="#cite_ref-Paunzen_1-1">1,1</a></sup></span> <span class="reference-text"><span class="citation" style="font-style:normal">Ernst Paunzen «<a rel="nofollow" class="external text" href="http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=280710">The λ Bootis stars</a>». <i>Zverko, J.; Ziznovsky, J.; Adelman, S.J.; Weiss, W.W.</i>, 2004. <a href="/wiki/Especial:Fonts_bibliogr%C3%A0fiques/0521850185" title="Especial:Fonts bibliogràfiques/0521850185">ISBN 0521850185</a>.</span><style data-mw-deduplicate="TemplateStyles:r33711417">.mw-parser-output .languageicon{font-size:0.95em;color:#555;background-color:inherit}@media screen{html.skin-theme-clientpref-night .mw-parser-output .languageicon{background-color:inherit;color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .languageicon{background-color:inherit;color:white}}</style><span class="languageicon" title="En anglès">(anglès)</span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"><span class="citation" style="font-style:normal">Paunzen, E. & Reegen, P. «<a rel="nofollow" class="external text" href="http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?2008CoAst.153...49P&db_key=AST&nosetcookie=1">Analysing the Hipparcos epoch photometry of λ Bootis stars</a>». <i>Communications in Asteroseismology</i>, 153, 2008. p. 49-53.</span><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r33711417"><span class="languageicon" title="En anglès">(anglès)</span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.daviddarling.info/encyclopedia/L/Lambda_Bootis_star.html">Lambda Bootis star (The Internet Encyclopedia of Science)</a></span> </li> </ol></div></div> <div role="navigation" class="navbox" aria-labelledby="Estrelles" style="padding:3px"><table class="nowraplinks collapsible collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2" style="background: gold;"><div class="plainlinks hlist navbar mini"><ul><li class="nv-view"><span typeof="mw:File"><a href="/wiki/Plantilla:Estel" title="Plantilla:Estel"><img alt="Vegeu aquesta plantilla" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/28/Commons-emblem-notice.svg/18px-Commons-emblem-notice.svg.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/28/Commons-emblem-notice.svg/27px-Commons-emblem-notice.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/28/Commons-emblem-notice.svg/36px-Commons-emblem-notice.svg.png 2x" data-file-width="48" data-file-height="48" /></a></span></li></ul></div><div id="Estrelles" style="font-size:114%;margin:0 4em"><a href="/wiki/Estrella" class="mw-redirect" title="Estrella">Estrelles</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%;background: lemonchiffon;"><a href="/wiki/Evoluci%C3%B3_estel%C2%B7lar" title="Evolució estel·lar">Evolució</a></th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px;line-height:1.5em;"><div style="padding:0em 0.25em"><a href="/wiki/Formaci%C3%B3_estel%C2%B7lar" title="Formació estel·lar">Formació</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Evoluci%C3%B3_estel%C2%B7lar#La_preseqüència_principal_(PSP):_Del_núvol_molecular_a_l'inici_de_la_combustió_d'hidrogen" title="Evolució estel·lar">preseqüència principal (PSP)</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Seq%C3%BC%C3%A8ncia_principal" title="Seqüència principal">Seqüència principal</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Branca_horitzontal" title="Branca horitzontal">Branca horitzontal</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Branca_asimpt%C3%B2tica_de_les_gegants" title="Branca asimptòtica de les gegants">Branca asimptòtica de les gegants</a><span style="font-weight:bold;"> ·</span> <a href="/wiki/Drenatge_(astronomia)" title="Drenatge (astronomia)">Drenatge</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Banda_d%27inestabilitat" title="Banda d'inestabilitat">Banda d'inestabilitat</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Agrupament_vermell" title="Agrupament vermell">Agrupament vermell</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estrella_predegenerada" title="Estrella predegenerada">Estrella predegenerada</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Variable_Mira" title="Variable Mira">Variable Mira</a><span style="font-weight:bold;"> ·</span>  <a href="/wiki/Nebulosa_planet%C3%A0ria" title="Nebulosa planetària">Nebulosa planetària</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Nebulosa_protoplanet%C3%A0ria" title="Nebulosa protoplanetària">Nebulosa protoplanetària</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Nova_lluminosa_vermella" title="Nova lluminosa vermella">Nova lluminosa vermella</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Variable_lluminosa_blava" title="Variable lluminosa blava">Variable lluminosa blava</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estrella_de_Wolf-Rayet" title="Estrella de Wolf-Rayet">Estrella de Wolf-Rayet</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Supernova_impostora" title="Supernova impostora">Supernova impostora</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Supernova" title="Supernova">Supernova</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Hipernova" title="Hipernova">Hipernova</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Diagrama_de_Hertzsprung-Russell" title="Diagrama de Hertzsprung-Russell">Diagrama de Hertzsprung-Russell</a><span style="font-weight:bold;"> ·</span> <a href="/wiki/Diagrama_color-color" title="Diagrama color-color">Diagrama color-color</a></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background: lemonchiffon;"><a href="/wiki/Protoestrella" title="Protoestrella">Protoestrelles</a></th><td class="navbox-list navbox-even" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px;line-height:1.5em;"><div style="padding:0em 0.25em"><a href="/wiki/N%C3%BAvol_molecular" title="Núvol molecular">Núvol molecular</a> (<a href="/wiki/Regi%C3%B3_HII" class="mw-redirect" title="Regió HII">regió HII</a>) <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Gl%C3%B2bul_de_Bok" title="Glòbul de Bok">Glòbul de Bok</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Objecte_estel%C2%B7lar_jove" title="Objecte estel·lar jove">objecte estel·lar jove</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Objecte_de_Herbig-Haro" title="Objecte de Herbig-Haro">objecte de Herbig-Haro</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Traject%C3%B2ria_de_Hayashi" title="Trajectòria de Hayashi">Trajectòria de Hayashi</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/L%C3%ADmit_de_Hayashi" title="Límit de Hayashi">Límit de Hayashi</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Traject%C3%B2ria_de_Henyey" title="Trajectòria de Henyey">Trajectòria de Henyey</a> <span style="font-weight:bold;"> ·</span> <a href="/wiki/Variable_Ori%C3%B3" title="Variable Orió">Variable Orió</a> (<a href="/wiki/Estrella_T_Tauri" title="Estrella T Tauri">estrella T Tauri</a><span style="font-weight:bold;"> ·</span> <a href="/wiki/Estrella_FU_Orionis" title="Estrella FU Orionis">estrella FU Orionis</a>) <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estrella_Herbig_Ae/Be" title="Estrella Herbig Ae/Be">Estrella Herbig Ae/Be</a></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background: lemonchiffon;">Lluminositat</th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px;line-height:1.5em;"><div style="padding:0em 0.25em"><a href="/wiki/Estrella_subnana" title="Estrella subnana">Subnana</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estrella_nana" class="mw-redirect" title="Estrella nana">Nana</a> (<a href="/wiki/Nana_Blava_(etapa_de_nana_vermella)" class="mw-redirect" title="Nana Blava (etapa de nana vermella)">Blava</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estrella_K_V" title="Estrella K V">Taronja</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Nana_Vermella" class="mw-redirect" title="Nana Vermella">Vermella</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Nana_groga" title="Nana groga">Groga</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Nana_negra" title="Nana negra">Negra</a> <span style="font-weight:bold;"> ·</span> <a href="/wiki/Nana_marr%C3%B3" title="Nana marró">Marró</a>) <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Subgegant" class="mw-redirect" title="Subgegant">Subgegant</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estrella_gegant" title="Estrella gegant">Gegant</a> (<a href="/wiki/Gegant_blava" class="mw-redirect" title="Gegant blava">Blava</a><span style="font-weight:bold;"> ·</span> <a href="/wiki/Gegant_vermell" title="Gegant vermell">Vermell</a>) <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estel_gegant_llumin%C3%B3s" title="Estel gegant lluminós">Gegant lluminós</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estrella_supergegant" title="Estrella supergegant">Supergegant</a> (<a href="/wiki/Supergegant_blava" class="mw-redirect" title="Supergegant blava">Blava</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Supergegant_vermella" class="mw-redirect" title="Supergegant vermella">Vermella</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Supergegant_groga" title="Supergegant groga">Groga</a>) <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estel_hipergegant" title="Estel hipergegant">Hipergegant</a> (<a href="/wiki/Estel_hipergegant_groc" title="Estel hipergegant groc">Groga</a>) <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Endarrerida_blava" title="Endarrerida blava">Endarrerida blava</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estrella_amb_disc" class="mw-redirect" title="Estrella amb disc">estrella amb disc</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estrella_de_carboni" title="Estrella de carboni">Carboni</a> (<a href="/wiki/Estel_CH" title="Estel CH">CH</a>) <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estel_de_bari" title="Estel de bari">Bari</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estel_de_tipus_S" title="Estel de tipus S">tipus S</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estel_peculiar" title="Estel peculiar">Peculiar</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estel_de_tecneci" title="Estel de tecneci">Tecneci</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estrella_de_mercuri-mangan%C3%A8s" title="Estrella de mercuri-manganès">Mercuri-manganès</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estrella_variable" title="Estrella variable">Variable</a></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background: lemonchiffon;"><a href="/wiki/Tipus_espectral" title="Tipus espectral">Tipus espectral</a></th><td class="navbox-list navbox-even" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px;line-height:1.5em;"><div style="padding:0em 0.25em"><a href="/wiki/Estrella_de_tipus_O" title="Estrella de tipus O">O</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Tipus_espectral#Classe_B" title="Tipus espectral">B</a><span style="font-weight:bold;"> ·</span>  <a href="/wiki/Tipus_espectral#Classe_A" title="Tipus espectral">A</a><span style="font-weight:bold;"> ·</span>  <a href="/wiki/Tipus_espectral#Classe_F" title="Tipus espectral">F</a><span style="font-weight:bold;"> ·</span>  <a href="/wiki/Tipus_espectral#Classe_G" title="Tipus espectral">G</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Tipus_espectral#Classe_K" title="Tipus espectral">K</a> <span style="font-weight:bold;"> ·</span> <a href="/wiki/Tipus_espectral#Classe_Be" title="Tipus espectral">Be</a><span style="font-weight:bold;"> ·</span>  <a href="/wiki/Tipus_espectral#Classe_OB" title="Tipus espectral">OB</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estrella_subnana_B" class="mw-redirect" title="Estrella subnana B">Estrella subnana B</a><span style="font-weight:bold;"> ·</span> <a href="/wiki/Estrella_de_tipus_tardana" title="Estrella de tipus tardana">Estrella de tipus tardana</a><span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estel_peculiar" title="Estel peculiar">Estel peculiar</a> (<a href="/wiki/Estrella_AM" title="Estrella AM">AM</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estrella_Ap_i_Bp" class="mw-redirect" title="Estrella Ap i Bp">Ap/Bp</a> (<a href="/wiki/Estel_Ap_d%27oscil%C2%B7laci%C3%B3_r%C3%A0pida" title="Estel Ap d'oscil·lació ràpida">estel Ap d'oscil·lació ràpida</a>) <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estrella_de_carboni" title="Estrella de carboni">Carboni</a> (<a href="/wiki/Estel_CH" title="Estel CH">CH</a> (<a href="/wiki/Estrella_de_plom" title="Estrella de plom">Plom</a>) <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estel_de_tipus_S" title="Estel de tipus S">S</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estel_CN" title="Estel CN">CN</a>) <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estel_de_bari" title="Estel de bari">Bari</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estrella_pobra_en_heli" title="Estrella pobra en heli">Pobra en heli</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estrella_extrema_d%27heli" title="Estrella extrema d'heli">Estrella extrema d'heli</a> <span style="font-weight:bold;"> ·</span>  <a class="mw-selflink selflink">Estrella Lambda Boötis</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estrella_de_tecneci" class="mw-redirect" title="Estrella de tecneci">Tecneci</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estrella_de_Mercuri-mangan%C3%A8s" class="mw-redirect" title="Estrella de Mercuri-manganès">Mercuri-manganès</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Variable_Gamma_Cassiopeiae" title="Variable Gamma Cassiopeiae">Gamma Cassiopeiae</a>) <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estrella_Be" title="Estrella Be">Be</a> (<a href="/wiki/Estrella_amb_embolcall" title="Estrella amb embolcall">Embolcall</a>) <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estrella_B(e)" title="Estrella B(e)">B[e]</a></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background: lemonchiffon;"><a href="/wiki/Estrella_compacta" title="Estrella compacta">Romanents</a></th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px;line-height:1.5em;"><div style="padding:0em 0.25em"><a href="/wiki/Nana_blanca" title="Nana blanca">Nana blanca</a> (<a href="/wiki/Nana_negra" title="Nana negra">Nana negra</a>) <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estrella_de_neutrons" title="Estrella de neutrons">Estrella de neutrons</a> (<a href="/wiki/P%C3%BAlsar" title="Púlsar">Púlsar</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Magnetar" title="Magnetar">Magnetar</a>) <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Forat_negre_estel%C2%B7lar" title="Forat negre estel·lar">Forat negre estel·lar</a></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background: lemonchiffon;"><a href="/wiki/Estrella_compacta#estrella_exòtica" title="Estrella compacta">Estrelles compactes exòtiques</a></th><td class="navbox-list navbox-even" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px;line-height:1.5em;"><div style="padding:0em 0.25em"><a href="/wiki/Estrella_de_quarks" class="mw-redirect" title="Estrella de quarks">Estrella de quarks</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estrella_de_preons" class="mw-redirect" title="Estrella de preons">Estrella de preons</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estrella_Q" title="Estrella Q">Estrella Q</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Bolla_de_pelussa_(teoria_de_cordes)" title="Bolla de pelussa (teoria de cordes)">Bolla de pelussa</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estel_de_bosons" title="Estel de bosons">Estel de bosons</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Gravastar" title="Gravastar">Gravastar</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estel_d%27energia_fosca" title="Estel d'energia fosca">Estel d'energia fosca</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estel_negre_(Gravitaci%C3%B3_semicl%C3%A0ssica)" class="mw-redirect" title="Estel negre (Gravitació semiclàssica)">Estel negre</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Objecte_eternament_col%C2%B7lapsant" title="Objecte eternament col·lapsant">Objecte eternament col·lapsant</a></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background: lemonchiffon;">Estrelles fallides</th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px;line-height:1.5em;"><div style="padding:0em 0.25em"><a href="/wiki/Nana_marr%C3%B3" title="Nana marró">Nana marró</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Sub-nana_marr%C3%B3" class="mw-redirect" title="Sub-nana marró">Sub-nana marró</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Planetar" title="Planetar">Planetar</a></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background: lemonchiffon;"><a href="/wiki/Estructura_estel%C2%B7lar" title="Estructura estel·lar">Estructura</a></th><td class="navbox-list navbox-even" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px;line-height:1.5em;"><div style="padding:0em 0.25em"><a href="/wiki/Astrosismologia" title="Astrosismologia">Astrosismologia</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Bombolla_de_vent_solar" class="mw-redirect" title="Bombolla de vent solar">Bombolla de vent solar</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Camp_magn%C3%A8tic_estel%C2%B7lar" title="Camp magnètic estel·lar">Camp Magnètic</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Corona_solar" title="Corona solar">Corona</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Cromosfera" title="Cromosfera">Cromosfera</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Fotosfera" title="Fotosfera">Fotosfera</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/L%C3%ADmit_d%27Eddington" title="Límit d'Eddington">Lluminositat d'Eddington</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Nucli_solar" title="Nucli solar">Nucli solar</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Vent_estel%C2%B7lar" title="Vent estel·lar">Vent estel·lar</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Zona_de_convecci%C3%B3" title="Zona de convecció">Zona de convecció</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Zona_de_radiaci%C3%B3" title="Zona de radiació">Zona de radiació</a></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background: lemonchiffon;"><a href="/wiki/Sistema_d%27estrelles" title="Sistema d'estrelles">Sistemes estel·lars</a></th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px;line-height:1.5em;"><div style="padding:0em 0.25em"><a href="/wiki/Estrella_bin%C3%A0ria" title="Estrella binària">Binària</a><span style="font-weight:bold;"> ·</span>  (<a href="/wiki/Estrella_bin%C3%A0ria_de_contacte" title="Estrella binària de contacte">Contacte</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estrella_bin%C3%A0ria_amb_embolcall_com%C3%BA" title="Estrella binària amb embolcall comú">Embolcall comú</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Bin%C3%A0ria_eclipsant" title="Binària eclipsant">Eclipsant</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Bin%C3%A0ria_simbi%C3%B2tica" title="Binària simbiòtica">Simbiòtica</a>) <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Sistema_d%27estrelles" title="Sistema d'estrelles">Múltiple</a> (<a href="/wiki/C%C3%BAmul_estel%C2%B7lar" title="Cúmul estel·lar">Cúmul</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/C%C3%BAmul_obert" title="Cúmul obert">Obert</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/C%C3%BAmul_globular" title="Cúmul globular">Globular</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Superc%C3%BAmul_estel%C2%B7lar" title="Supercúmul estel·lar">Supercúmul</a>) <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Sistema_planetari" title="Sistema planetari">Sistema planetari</a></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background: lemonchiffon;"><a href="/wiki/Nucleos%C3%ADntesi_estel%C2%B7lar" title="Nucleosíntesi estel·lar">Nucleosíntesi</a></th><td class="navbox-list navbox-even" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px;line-height:1.5em;"><div style="padding:0em 0.25em"><a href="/wiki/Cadena_prot%C3%B3-prot%C3%B3" title="Cadena protó-protó">Cadena protó-protó</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Cicle_CNO" title="Cicle CNO">Cicle CNO</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Proc%C3%A9s_de_combusti%C3%B3_del_carboni" class="mw-redirect" title="Procés de combustió del carboni">Combustió del carboni</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Proc%C3%A9s_de_combusti%C3%B3_del_ne%C3%B3" title="Procés de combustió del neó">Combustió del neó</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Proc%C3%A9s_de_combusti%C3%B3_de_l%27oxigen" class="mw-redirect" title="Procés de combustió de l'oxigen">Combustió de l'oxigen</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Proc%C3%A9s_de_combusti%C3%B3_del_silici" title="Procés de combustió del silici">Combustió del silici</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Flash_de_l%27heli" class="mw-redirect" title="Flash de l'heli">Flash de l'heli</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Proc%C3%A9s_alfa" title="Procés alfa">Procés alfa</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Proc%C3%A9s_triple-alfa" title="Procés triple-alfa">Procés triple-alfa</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Proc%C3%A9s_R" title="Procés R">Procés R</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Proc%C3%A9s_S" title="Procés S">Procés S</a></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background: lemonchiffon;">Propietats</th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px;line-height:1.5em;"><div style="padding:0em 0.25em"><a href="/wiki/Tipus_espectral" title="Tipus espectral">Classificació</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Cinem%C3%A0tica_estel%C2%B7lar" title="Cinemàtica estel·lar">Cinemàtica</a> (<a href="/wiki/Moviment_propi" title="Moviment propi">Moviment propi</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Velocitat_radial" title="Velocitat radial">Velocitat radial</a>) <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Nomenclatura_estel%C2%B7lar" title="Nomenclatura estel·lar">Designació</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Din%C3%A0mica_estel%C2%B7lar" title="Dinàmica estel·lar">Dinàmica</a> <span style="font-weight:bold;"> ·</span>  Magnitud (<a href="/wiki/Magnitud_absoluta" title="Magnitud absoluta">Absoluta</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Magnitud_aparent" title="Magnitud aparent">Aparent</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Magnitud_fotogr%C3%A0fica" title="Magnitud fotogràfica">Fotogràfica</a>) <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Massa_solar" title="Massa solar">Massa</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Metal%C2%B7licitat" title="Metal·licitat">Metal·licitat</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Microturbul%C3%A8ncia" title="Microturbulència">Microturbulència</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Oscil%C2%B7lacions_de_tipus_solar" title="Oscil·lacions de tipus solar">Oscil·lacions</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Rotaci%C3%B3_estel%C2%B7lar" title="Rotació estel·lar">Rotació</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Sistema_d%27estrelles" title="Sistema d'estrelles">Sistema d'estrelles</a> (<a href="/wiki/Estrella_bin%C3%A0ria" title="Estrella binària">Binari</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estrella_bin%C3%A0ria_de_contacte" title="Estrella binària de contacte">Contacte</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Estrella_m%C3%BAltiple" title="Estrella múltiple">Múltiple</a>) <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Sistema_planetari" title="Sistema planetari">Sistema planetari</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Temperatura_efectiva" title="Temperatura efectiva">Temperatura efectiva</a> <span style="font-weight:bold;"> ·</span>  <a href="/wiki/Sistema_fotom%C3%A8tric_UBV" title="Sistema fotomètric UBV">color UBV</a></div></td></tr><tr><td class="navbox-abovebelow" colspan="2" style="background: gold;"><div><span typeof="mw:File"><span title="Portal"><img alt="Portal" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fd/Portal-puzzle.svg/16px-Portal-puzzle.svg.png" decoding="async" width="16" height="14" 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