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class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Note"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Note</span> </div> </a> <ul id="toc-Note-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Voci_correlate" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Voci_correlate"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Voci correlate</span> </div> </a> <ul id="toc-Voci_correlate-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Collegamenti_esterni" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Collegamenti_esterni"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Collegamenti esterni</span> </div> </a> <ul id="toc-Collegamenti_esterni-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> 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<div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Matar</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Vai a una voce in un'altra lingua. Disponibile in 20 lingue" > <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-20" 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">20 lingue</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B3%D8%B9%D8%AF_%D8%A7%D9%84%D9%85%D8%B7%D8%B1" title="سعد المطر - arabo" lang="ar" hreflang="ar" data-title="سعد المطر" data-language-autonym="العربية" data-language-local-name="arabo" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Matar_(estrella)" title="Matar (estrella) - asturiano" lang="ast" hreflang="ast" data-title="Matar (estrella)" data-language-autonym="Asturianu" data-language-local-name="asturiano" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Matar_(estrella)" title="Matar (estrella) - catalano" lang="ca" hreflang="ca" data-title="Matar (estrella)" data-language-autonym="Català" data-language-local-name="catalano" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Matar" title="Matar - tedesco" lang="de" hreflang="de" data-title="Matar" data-language-autonym="Deutsch" data-language-local-name="tedesco" 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/Eta_Pegasi" title="Eta Pegasi - inglese" lang="en" hreflang="en" data-title="Eta Pegasi" data-language-autonym="English" data-language-local-name="inglese" 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/Matar_(estrella)" title="Matar (estrella) - spagnolo" lang="es" hreflang="es" data-title="Matar (estrella)" data-language-autonym="Español" data-language-local-name="spagnolo" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B3%D8%B9%D8%AF%D8%A7%D9%84%D9%85%D8%B7%D8%B1" title="سعدالمطر - persiano" lang="fa" hreflang="fa" data-title="سعدالمطر" data-language-autonym="فارسی" data-language-local-name="persiano" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Eta_Pegasi" title="Eta Pegasi - francese" lang="fr" hreflang="fr" data-title="Eta Pegasi" data-language-autonym="Français" data-language-local-name="francese" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%9E%D7%98%D7%A8_(%D7%9B%D7%95%D7%9B%D7%91)" title="מטר (כוכב) - ebraico" lang="he" hreflang="he" data-title="מטר (כוכב)" data-language-autonym="עברית" data-language-local-name="ebraico" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Eta_Pegasi" title="Eta Pegasi - indonesiano" lang="id" hreflang="id" data-title="Eta Pegasi" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesiano" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%9A%E3%82%AC%E3%82%B9%E3%82%B9%E5%BA%A7%E3%82%A4%E3%83%BC%E3%82%BF%E6%98%9F" title="ペガスス座イータ星 - giapponese" lang="ja" hreflang="ja" data-title="ペガスス座イータ星" data-language-autonym="日本語" data-language-local-name="giapponese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Matar_(St%C3%A4r)" title="Matar (Stär) - lussemburghese" lang="lb" hreflang="lb" data-title="Matar (Stär)" data-language-autonym="Lëtzebuergesch" data-language-local-name="lussemburghese" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Matar" title="Matar - olandese" lang="nl" hreflang="nl" data-title="Matar" data-language-autonym="Nederlands" data-language-local-name="olandese" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Eta_Pegasi" title="Eta Pegasi - polacco" lang="pl" hreflang="pl" data-title="Eta Pegasi" data-language-autonym="Polski" data-language-local-name="polacco" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Eta_Pegasi" title="Eta Pegasi - portoghese" lang="pt" hreflang="pt" data-title="Eta Pegasi" data-language-autonym="Português" data-language-local-name="portoghese" 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%AD%D1%82%D0%B0_%D0%9F%D0%B5%D0%B3%D0%B0%D1%81%D0%B0" title="Эта Пегаса - russo" lang="ru" hreflang="ru" data-title="Эта Пегаса" data-language-autonym="Русский" data-language-local-name="russo" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Matar" title="Matar - slovacco" lang="sk" hreflang="sk" data-title="Matar" data-language-autonym="Slovenčina" data-language-local-name="slovacco" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Matar_(stj%C3%A4rna)" title="Matar (stjärna) - svedese" lang="sv" hreflang="sv" data-title="Matar (stjärna)" data-language-autonym="Svenska" data-language-local-name="svedese" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%9C%D3%99%D1%82%D0%B0%D1%80%D1%8C" title="Мәтарь - tataro" lang="tt" hreflang="tt" data-title="Мәтарь" data-language-autonym="Татарча / tatarça" data-language-local-name="tataro" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E7%A6%BB%E5%AE%AB%E5%9B%9B" title="离宫四 - cinese" lang="zh" hreflang="zh" data-title="离宫四" data-language-autonym="中文" data-language-local-name="cinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q1417104#sitelinks-wikipedia" title="Modifica collegamenti interlinguistici" class="wbc-editpage">Modifica collegamenti</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespace"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Matar" title="Vedi la voce [c]" accesskey="c"><span>Voce</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Discussione:Matar&action=edit&redlink=1" rel="discussion" class="new" title="Vedi le discussioni relative a questa pagina (la pagina non esiste) [t]" accesskey="t"><span>Discussione</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Cambia versione linguistica" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">italiano</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Visite"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Matar"><span>Leggi</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Matar&veaction=edit" title="Modifica questa pagina [v]" accesskey="v"><span>Modifica</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Matar&action=edit" title="Modifica il wikitesto di questa pagina [e]" accesskey="e"><span>Modifica wikitesto</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Matar&action=history" title="Versioni precedenti di questa pagina [h]" accesskey="h"><span>Cronologia</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Strumenti pagine"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Strumenti" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Strumenti</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Strumenti</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">sposta nella barra laterale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">nascondi</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Altre opzioni" > <div class="vector-menu-heading"> Azioni </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Matar"><span>Leggi</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Matar&veaction=edit" title="Modifica questa pagina [v]" accesskey="v"><span>Modifica</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Matar&action=edit" title="Modifica il wikitesto di questa pagina [e]" accesskey="e"><span>Modifica wikitesto</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Matar&action=history"><span>Cronologia</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Generale </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Speciale:PuntanoQui/Matar" title="Elenco di tutte le pagine che sono collegate a questa [j]" accesskey="j"><span>Puntano qui</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Speciale:ModificheCorrelate/Matar" rel="nofollow" title="Elenco delle ultime modifiche alle pagine collegate a questa [k]" accesskey="k"><span>Modifiche correlate</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Speciale:PagineSpeciali" title="Elenco di tutte le pagine speciali [q]" accesskey="q"><span>Pagine speciali</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Matar&oldid=128750141" title="Collegamento permanente a questa versione di questa pagina"><span>Link permanente</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Matar&action=info" title="Ulteriori informazioni su questa pagina"><span>Informazioni pagina</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Speciale:Cita&page=Matar&id=128750141&wpFormIdentifier=titleform" title="Informazioni su come citare questa pagina"><span>Cita questa voce</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Speciale:UrlShortener&url=https%3A%2F%2Fit.wikipedia.org%2Fwiki%2FMatar"><span>Ottieni URL breve</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Speciale:QrCode&url=https%3A%2F%2Fit.wikipedia.org%2Fwiki%2FMatar"><span>Scarica codice QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Stampa/esporta </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Speciale:Libro&bookcmd=book_creator&referer=Matar"><span>Crea un libro</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Speciale:DownloadAsPdf&page=Matar&action=show-download-screen"><span>Scarica come PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Matar&printable=yes" title="Versione stampabile di questa pagina [p]" accesskey="p"><span>Versione stampabile</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> In altri progetti </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q1417104" title="Collegamento all'elemento connesso dell'archivio dati [g]" accesskey="g"><span>Elemento Wikidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Strumenti pagine"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Aspetto"> <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">Aspetto</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">sposta nella barra laterale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">nascondi</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 id="mw-indicator-coordinates" class="mw-indicator"><div class="mw-parser-output"><span class="plainlinks nourlexpansion" id="coordinates"><a href="/wiki/Coordinate_celesti" title="Coordinate celesti">Coordinate</a>: <span typeof="mw:File"><span title="Carta celeste"><img alt="Carta celeste" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Jupiter_and_moon.png/20px-Jupiter_and_moon.png" decoding="async" width="20" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Jupiter_and_moon.png/30px-Jupiter_and_moon.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Jupiter_and_moon.png/40px-Jupiter_and_moon.png 2x" data-file-width="128" data-file-height="128" /></span></span> <a rel="nofollow" class="external text" href="http://www.wikisky.org/?ra=22.716704722222&de=30.221244444444&zoom=6&show_grid=1&show_constellation_lines=1&show_constellation_boundaries=1&show_const_names=1&show_galaxies=1&img_source=IMG_all">22<sup>h</sup> 43<sup>m</sup> 00.137<sup>s</sup>, +30° 13′ 16.48″</a></span></div></div> </div> <div id="siteSub" class="noprint">Da Wikipedia, l'enciclopedia libera.</div> </div> <div id="contentSub"><div id="mw-content-subtitle"><span class="mw-redirectedfrom">(Reindirizzamento da <strong><a href="/w/index.php?title=Eta_Pegasi&redirect=no" class="mw-redirect" title="Eta Pegasi">Eta Pegasi</a></strong>)</span></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="it" dir="ltr"><style data-mw-deduplicate="TemplateStyles:r130658281">body:not(.skin-minerva) .mw-parser-output .hatnote.nota-disambigua{clear:both;margin-top:0;padding:.05em .5em}</style> <style data-mw-deduplicate="TemplateStyles:r139142988">.mw-parser-output .hatnote-content{align-items:center;display:flex}.mw-parser-output .hatnote-icon{flex-shrink:0}.mw-parser-output .hatnote-icon img{display:flex}.mw-parser-output .hatnote-text{font-style:italic}body:not(.skin-minerva) .mw-parser-output .hatnote{border:1px solid #CCC;display:flex;margin:.5em 0;padding:.2em .5em}body:not(.skin-minerva) .mw-parser-output .hatnote-text{padding-left:.5em}body.skin-minerva .mw-parser-output .hatnote-icon{padding-right:8px}body.skin-minerva .mw-parser-output .hatnote-icon img{height:auto;width:16px}body.skin--responsive .mw-parser-output .hatnote a.new{color:#d73333}body.skin--responsive .mw-parser-output .hatnote a.new:visited{color:#a55858}</style> <div class="hatnote noprint nota-disambigua"> <div class="hatnote-content"><span class="noviewer hatnote-icon" typeof="mw:File"><span><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Nota_disambigua.svg/18px-Nota_disambigua.svg.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Nota_disambigua.svg/27px-Nota_disambigua.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Nota_disambigua.svg/36px-Nota_disambigua.svg.png 2x" data-file-width="200" data-file-height="200" /></span></span> <span class="hatnote-text"><a href="/wiki/Aiuto:Disambiguazione" title="Aiuto:Disambiguazione">Disambiguazione</a> – Se stai cercando altri significati, vedi <b><a href="/wiki/Matar_(disambigua)" class="mw-disambig" title="Matar (disambigua)">Matar (disambigua)</a></b>.</span></div> </div> <table class="infobox sinottico" summary="Tabella sinottica che riassume i principali dati del soggetto"><tbody><tr class="sinottico_testata"><th colspan="2" style="background: #FF3333;color:white">Matar A / B</th></tr><tr><td class="sinottico_testo_centrale" colspan="2"><figure class="mw-halign-center" typeof="mw:File/Frameless"><a href="/wiki/File:Pegasus_constellation_map.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b9/Pegasus_constellation_map.svg/260px-Pegasus_constellation_map.svg.png" decoding="async" width="260" height="231" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b9/Pegasus_constellation_map.svg/390px-Pegasus_constellation_map.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b9/Pegasus_constellation_map.svg/520px-Pegasus_constellation_map.svg.png 2x" data-file-width="320" data-file-height="284" /></a><figcaption></figcaption></figure>η indica la posizione di Matar all'interno della <a href="/wiki/Pegaso_(costellazione)" title="Pegaso (costellazione)">costellazione di Pegaso</a> </td></tr><tr><th>Classificazione</th><td><a href="/wiki/Stella_multipla" title="Stella multipla">Stella multipla</a> </td></tr><tr><th><a href="/wiki/Classificazione_stellare" title="Classificazione stellare">Classe spettrale</a></th><td>G2III / A5V<sup id="cite_ref-JK_1-0" class="reference"><a href="#cite_note-JK-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </td></tr><tr><th>Distanza dal Sole</th><td>167 <a href="/wiki/Anno_luce" title="Anno luce">anni luce</a> </td></tr><tr><th><a href="/wiki/Costellazione" title="Costellazione">Costellazione</a></th><td><a href="/wiki/Pegaso_(costellazione)" title="Pegaso (costellazione)">Pegaso</a> </td></tr><tr class="sinottico_divisione"><th colspan="2" style="background: #FF3333;color:white">Coordinate</th></tr><tr><td class="sinottico_testo_centrale" colspan="2">(all'<a href="/wiki/Epoca_(astronomia)" title="Epoca (astronomia)">epoca</a> <a href="/wiki/J2000.0" title="J2000.0">J2000.0</a>) </td></tr><tr><th><a href="/wiki/Ascensione_retta" title="Ascensione retta">Ascensione retta</a></th><td>22<sup>h</sup> 43<sup>m</sup> 00,137<sup>s</sup> </td></tr><tr><th><a href="/wiki/Declinazione_(astronomia)" title="Declinazione (astronomia)">Declinazione</a></th><td>30° 13′ 16,48″ </td></tr><tr class="sinottico_divisione"><th colspan="2" style="background: #FF3333;color:white">Dati fisici</th></tr><tr><th><a href="/wiki/Massa_(fisica)" title="Massa (fisica)">Massa</a></th><td><div>3,2 / 2,0<sup id="cite_ref-JK_1-1" class="reference"><a href="#cite_note-JK-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Massa_solare" title="Massa solare">M<sub>⊙</sub></a></div> </td></tr><tr><th><a href="/wiki/Temperatura_efficace" title="Temperatura efficace">Temperatura<br />superficiale</a></th><td><style data-mw-deduplicate="TemplateStyles:r139487411">.mw-parser-output .lista-none{list-style:none}.mw-parser-output .lista-decimal{list-style:decimal}.mw-parser-output .lista-lower-alpha{list-style:lower-alpha}.mw-parser-output .lista-upper-alpha{list-style:upper-alpha}.mw-parser-output .sinottico .lista-none,.mw-parser-output .lista-none.lista-nomargin{margin-left:0}body.skin-minerva .mw-parser-output .sinottico .lista-none,body.skin-minerva .mw-parser-output .lista-none.lista-nomargin{padding-left:0}body.skin-minerva .mw-parser-output .sinottico .lista-none li{margin-bottom:0}</style><ul class="lista-none"><li class="mw-empty-elt"></li><li>5100 / 7800 <a href="/wiki/Kelvin" title="Kelvin">K</a><sup id="cite_ref-JK_1-2" class="reference"><a href="#cite_note-JK-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> <small>(media)</small></li><li class="mw-empty-elt"></li></ul> </td></tr><tr><th><a href="/wiki/Luminosit%C3%A0_(astronomia)" title="Luminosità (astronomia)">Luminosità</a></th><td><div>262 / ? <a href="/wiki/Luminosit%C3%A0_solare" title="Luminosità solare">L<sub>⊙</sub></a></div> </td></tr><tr class="sinottico_divisione"><th colspan="2" style="background: #FF3333;color:white">Dati osservativi</th></tr><tr><th><a href="/wiki/Magnitudine_apparente" title="Magnitudine apparente">Magnitudine app.</a></th><td>+2,95 </td></tr><tr><th><a href="/wiki/Magnitudine_assoluta" title="Magnitudine assoluta">Magnitudine ass.</a></th><td>-1,15<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> </td></tr><tr><th><a href="/wiki/Parallasse" title="Parallasse">Parallasse</a></th><td>15,22 <a href="/wiki/Milliarcosecondo" title="Milliarcosecondo">mas</a> </td></tr><tr><th><a href="/wiki/Moto_proprio" title="Moto proprio">Moto proprio</a></th><td><a href="/wiki/Ascensione_retta" title="Ascensione retta">AR</a>: +13,16 <a href="/wiki/Milliarcosecondo" title="Milliarcosecondo">mas</a>/<a href="/wiki/Anno" title="Anno">anno</a><br /><a href="/wiki/Declinazione_(astronomia)" title="Declinazione (astronomia)">Dec</a>: -25,67 <a href="/wiki/Milliarcosecondo" title="Milliarcosecondo">mas</a>/<a href="/wiki/Anno" title="Anno">anno</a> </td></tr><tr><th><a href="/wiki/Velocit%C3%A0_radiale" title="Velocità radiale">Velocità radiale</a></th><td>+4,3 km/s </td></tr><tr class="sinottico_divisione"><th colspan="2" style="background: #FF3333;color:white">Nomenclature alternative</th></tr><tr><td class="sinottico_testo_centrale" colspan="2"><div style="text-align:left"><a href="/wiki/Nomenclatura_di_Bayer" title="Nomenclatura di Bayer">η Peg</a>, <a href="/wiki/Nomenclatura_di_Flamsteed" title="Nomenclatura di Flamsteed">44 Peg</a>, <a href="/wiki/Catalogo_BS" title="Catalogo BS">HR</a> 8650, <a href="/wiki/Catalogo_HD" class="mw-redirect" title="Catalogo HD">HD</a> 215182, <a href="/wiki/Catalogo_Hipparcos" title="Catalogo Hipparcos">HIP</a> 112158, <a href="/wiki/Catalogo_SAO" title="Catalogo SAO">SAO</a> 90734</div> </td></tr><tr><td class="sinottico_piede2 noprint nomobile metadata" colspan="2"><a href="https://www.wikidata.org/wiki/Q1417104" class="extiw" title="d:Q1417104"><span title="Modifica i dati della voce Matar su Wikidata">Modifica dati su Wikidata</span></a><b> ·</b> <a href="/wiki/Template:Corpo_celeste/man" title="Template:Corpo celeste/man"><span title="Manuale del template Corpo celeste">Manuale</span></a></td></tr></tbody></table><style data-mw-deduplicate="TemplateStyles:r139486644">body.skin-vector .mw-parser-output #coordinates{font-size:85%;line-height:1.5em;white-space:nowrap}</style> <p><b>Matar</b> (<a href="/wiki/Nomenclatura_di_Bayer" title="Nomenclatura di Bayer">η Peg / η Pegasi / Eta Pegasi</a>) è un <a href="/wiki/Sistema_stellare" title="Sistema stellare">sistema stellare</a> della <a href="/wiki/Pegaso_(costellazione)" title="Pegaso (costellazione)">costellazione di Pegaso</a>. La sua <a href="/wiki/Magnitudine_apparente" title="Magnitudine apparente">magnitudine apparente</a> è +2,95 e dista 167 <a href="/wiki/Anni_luce" class="mw-redirect" title="Anni luce">anni luce</a> dal <a href="/wiki/Sistema_solare" title="Sistema solare">sistema solare</a><sup id="cite_ref-vanLeeuwen_3-0" class="reference"><a href="#cite_note-vanLeeuwen-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup>. Il suo nome tradizionale deriva dall'<a href="/wiki/Lingua_araba" title="Lingua araba">arabo</a> سعد المطر, <i>Al Sa'd al Matar</i>, e significa <i>stella fortunata della pioggia</i>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Osservazione">Osservazione</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Matar&veaction=edit&section=1" title="Modifica la sezione Osservazione" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Matar&action=edit&section=1" title="Edit section's source code: Osservazione"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Posta 30° a nord dell'<a href="/wiki/Equatore_celeste" title="Equatore celeste">equatore celeste</a>, Matar ha buone possibilità di essere osservata anche nell'<a href="/wiki/Emisfero_australe" title="Emisfero australe">emisfero australe</a>, essendo invisibile solo in <a href="/wiki/Antartide" title="Antartide">Antartide</a>. Tuttavia essa apparirà molto bassa all'orizzonte nord nelle regioni meridionali del <a href="/wiki/Sud_America" class="mw-redirect" title="Sud America">Sud America</a>, in <a href="/wiki/Sudafrica" title="Sudafrica">Sudafrica</a> e in <a href="/wiki/Nuova_Zelanda" title="Nuova Zelanda">Nuova Zelanda</a>. D'altra parte essa sarà <a href="/wiki/Astro_circumpolare" title="Astro circumpolare">circumpolare</a>, oltre il 70º <a href="/wiki/Parallelo_(geografia)" title="Parallelo (geografia)">parallelo</a>, cioè oltre il <a href="/wiki/Circolo_polare_artico" title="Circolo polare artico">Circolo polare artico</a>. Essendo di magnitudine +2,95, è individuabile anche dai piccoli e medi centri urbani senza particolari difficoltà. </p> <div class="mw-heading mw-heading2"><h2 id="Caratteristiche">Caratteristiche</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Matar&veaction=edit&section=2" title="Modifica la sezione Caratteristiche" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Matar&action=edit&section=2" title="Edit section's source code: Caratteristiche"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Matar è una <a href="/wiki/Stella_multipla" title="Stella multipla">stella multipla</a>; è formata da una coppia stretta composta da una <a href="/wiki/Gigante_gialla" class="mw-redirect" title="Gigante gialla">gigante gialla</a> e da una <a href="/wiki/Stella_bianca_di_sequenza_principale" class="mw-redirect" title="Stella bianca di sequenza principale">stella bianca di sequenza principale</a> separate fra loro da appena 3 <a href="/wiki/Unit%C3%A0_astronomica" title="Unità astronomica">UA</a>. Il <a href="/wiki/Periodo_orbitale" class="mw-redirect" title="Periodo orbitale">periodo orbitale</a> del sistema è di 2,24 anni<sup id="cite_ref-JK_1-3" class="reference"><a href="#cite_note-JK-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>. A 90 <a href="/wiki/Secondi_d%27arco" class="mw-redirect" title="Secondi d'arco">secondi d'arco</a> dalla coppia principale si trova un'altra coppia di stelle con una magnitudine combinata di +9,5 e <a href="/wiki/Tipo_spettrale" class="mw-redirect" title="Tipo spettrale">tipo spettrale</a> G5. Non è certo che queste siano legate gravitazionalmente alla coppia principale; se lo sono, sono separate da almeno 6000 UA dalla coppia primaria, mentre queste due componenti secondarie sono separate da 13 UA e orbitano una attorno all'altra in 34 anni<sup id="cite_ref-JK_1-4" class="reference"><a href="#cite_note-JK-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>. </p> <div class="mw-heading mw-heading2"><h2 id="Note">Note</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Matar&veaction=edit&section=3" title="Modifica la sezione Note" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Matar&action=edit&section=3" title="Edit section's source code: Note"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-JK-1"><span class="mw-cite-backlink"><b>^</b> <sup><i><a href="#cite_ref-JK_1-0">a</a></i></sup> <sup><i><a href="#cite_ref-JK_1-1">b</a></i></sup> <sup><i><a href="#cite_ref-JK_1-2">c</a></i></sup> <sup><i><a href="#cite_ref-JK_1-3">d</a></i></sup> <sup><i><a href="#cite_ref-JK_1-4">e</a></i></sup></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://stars.astro.illinois.edu/sow/matar.html">Matar (Stars, Jim Kaler)</a></span> </li> <li id="cite_note-2"><a href="#cite_ref-2"><b>^</b></a> <span class="reference-text"><a rel="nofollow" class="external text" href="http://vizier.u-strasbg.fr/viz-bin/VizieR-5?-ref=VIZ5102a690058d&-out.add=.&-source=V/137C/XHIP&recno=111781">Extended Hipparcos Compilation (XHIP) (Anderson+, 2012)</a></span> </li> <li id="cite_note-vanLeeuwen-3"><a href="#cite_ref-vanLeeuwen_3-0"><b>^</b></a> <span class="reference-text"><cite class="citation pubblicazione" style="font-style:normal"> F. van Leeuwen, <a rel="nofollow" class="external text" href="https://archive.org/details/arxiv-0708.1752"><span style="font-style:italic;">Validation of the new Hipparcos reduction</span></a>, in <span style="font-style:italic;"><a href="/wiki/Astronomy_and_Astrophysics" title="Astronomy and Astrophysics">Astronomy and Astrophysics</a></span>, vol. 474, n. 2, novembre 2007, pp. 653–664, <a href="/wiki/Digital_object_identifier" title="Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1051%2F0004-6361%3A20078357">10.1051/0004-6361:20078357</a>.</cite><a href="/wiki/ArXiv" title="ArXiv">arΧiv</a>:<a href="https://arxiv.org/abs/0708.1752" class="extiw" title="arxiv:0708.1752">0708.1752</a></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Voci_correlate">Voci correlate</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Matar&veaction=edit&section=4" title="Modifica la sezione Voci correlate" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Matar&action=edit&section=4" title="Edit section's source code: Voci correlate"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Stelle_principali_della_costellazione_di_Pegaso" title="Stelle principali della costellazione di Pegaso">Stelle principali della costellazione di Pegaso</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Collegamenti_esterni">Collegamenti esterni</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Matar&veaction=edit&section=5" title="Modifica la sezione Collegamenti esterni" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Matar&action=edit&section=5" title="Edit section's source code: Collegamenti esterni"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://simbad.u-strasbg.fr/simbad/sim-id?Ident=%401509474&Name=NSV%2014285">NAME MATAR -- Star in double system</a> <a href="/wiki/SIMBAD" title="SIMBAD">SIMBAD</a></li></ul> <div class="noprint" style="width:100%; padding: 3px 0; display: flex; flex-wrap: wrap; row-gap: 4px; column-gap: 8px; box-sizing: border-box;"><div style="flex-grow: 1"><style data-mw-deduplicate="TemplateStyles:r140555418">.mw-parser-output .itwiki-template-occhiello{width:100%;line-height:25px;border:1px solid #CCF;background-color:#F0EEFF;box-sizing:border-box}.mw-parser-output .itwiki-template-occhiello-progetto{background-color:#FAFAFA}@media screen{html.skin-theme-clientpref-night .mw-parser-output .itwiki-template-occhiello{background-color:#202122;border-color:#54595D}html.skin-theme-clientpref-night .mw-parser-output .itwiki-template-occhiello-progetto{background-color:#282929}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .itwiki-template-occhiello{background-color:#202122;border-color:#54595D}html.skin-theme-clientpref-os .mw-parser-output .itwiki-template-occhiello-progetto{background-color:#282929}}</style><div class="itwiki-template-occhiello"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Astro_constel_task_force.svg" class="mw-file-description" title="Stelle"><img alt=" " src="//upload.wikimedia.org/wikipedia/commons/thumb/6/66/Astro_constel_task_force.svg/24px-Astro_constel_task_force.svg.png" decoding="async" width="24" height="25" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/66/Astro_constel_task_force.svg/36px-Astro_constel_task_force.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/66/Astro_constel_task_force.svg/48px-Astro_constel_task_force.svg.png 2x" data-file-width="674" data-file-height="703" /></a></span> <b><a href="/wiki/Portale:Stelle" title="Portale:Stelle">Portale Stelle</a></b>: accedi alle voci di Wikipedia che trattano di stelle e costellazioni</div></div></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; 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