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title="我们推荐您创建账号并登录，但这不是强制性的"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>创建账号</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:%E7%94%A8%E6%88%B7%E7%99%BB%E5%BD%95&returnto=%E5%A4%A9%E7%92%A3" title="建议你登录，尽管并非必须。[o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>登录</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> 未登录编辑者的页面 <a href="/wiki/Help:%E6%96%B0%E6%89%8B%E5%85%A5%E9%97%A8" aria-label="了解有关编辑的更多信息"><span>了解详情</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Special:%E6%88%91%E7%9A%84%E8%B4%A1%E7%8C%AE" title="来自此IP地址的编辑列表[y]" accesskey="y"><span>贡献</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Special:%E6%88%91%E7%9A%84%E8%AE%A8%E8%AE%BA%E9%A1%B5" title="对于来自此IP地址编辑的讨论[n]" accesskey="n"><span>讨论</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="站点"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="目录" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">目录</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">移至侧栏</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">隐藏</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">序言</div> </a> </li> <li id="toc-參考文獻" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#參考文獻"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>參考文獻</span> </div> </a> <ul id="toc-參考文獻-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="目录" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="开关目录" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">开关目录</span> </label> <div class="vector-dropdown-content"> <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">天璣</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="前往另一种语言写成的文章。32种语言可用" > <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-32" 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">32种语言</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%A7%D9%84%D9%81%D8%AE%D8%B0%D8%A9_(%D9%86%D8%AC%D9%85)" title="الفخذة (نجم) – 阿拉伯语" lang="ar" hreflang="ar" data-title="الفخذة (نجم)" data-language-autonym="العربية" data-language-local-name="阿拉伯语" 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/Phecda" title="Phecda – 阿斯图里亚斯语" lang="ast" hreflang="ast" data-title="Phecda" data-language-autonym="Asturianu" data-language-local-name="阿斯图里亚斯语" 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/Phecda" title="Phecda – 加泰罗尼亚语" lang="ca" hreflang="ca" data-title="Phecda" data-language-autonym="Català" data-language-local-name="加泰罗尼亚语" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Phekda" title="Phekda – 捷克语" lang="cs" hreflang="cs" data-title="Phekda" data-language-autonym="Čeština" data-language-local-name="捷克语" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Phecda" title="Phecda – 德语" lang="de" hreflang="de" data-title="Phecda" data-language-autonym="Deutsch" data-language-local-name="德语" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A6%CE%AD%CE%BA%CE%BD%CF%84%CE%B1" title="Φέκντα – 希腊语" lang="el" hreflang="el" data-title="Φέκντα" data-language-autonym="Ελληνικά" data-language-local-name="希腊语" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Phecda" title="Phecda – 英语" lang="en" hreflang="en" data-title="Phecda" data-language-autonym="English" data-language-local-name="英语" 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/Phecda" title="Phecda – 西班牙语" lang="es" hreflang="es" data-title="Phecda" data-language-autonym="Español" data-language-local-name="西班牙语" 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/Phecda" title="Phecda – 巴斯克语" lang="eu" hreflang="eu" data-title="Phecda" data-language-autonym="Euskara" data-language-local-name="巴斯克语" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%81%D8%AE%D8%B0" title="فخذ – 波斯语" lang="fa" hreflang="fa" data-title="فخذ" data-language-autonym="فارسی" data-language-local-name="波斯语" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Gamma_Ursae_Majoris" title="Gamma Ursae Majoris – 芬兰语" lang="fi" hreflang="fi" data-title="Gamma Ursae Majoris" data-language-autonym="Suomi" data-language-local-name="芬兰语" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Gamma_Ursae_Majoris" title="Gamma Ursae Majoris – 法语" lang="fr" hreflang="fr" data-title="Gamma Ursae Majoris" data-language-autonym="Français" data-language-local-name="法语" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-fur mw-list-item"><a href="https://fur.wikipedia.org/wiki/Phecda" title="Phecda – 弗留利语" lang="fur" hreflang="fur" data-title="Phecda" data-language-autonym="Furlan" data-language-local-name="弗留利语" class="interlanguage-link-target"><span>Furlan</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A4%D7%A7%D7%93%D7%90" title="פקדא – 希伯来语" lang="he" hreflang="he" data-title="פקדא" data-language-autonym="עברית" data-language-local-name="希伯来语" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%AA%E0%A5%81%E0%A4%B2%E0%A4%B8%E0%A5%8D%E0%A4%A4%E0%A5%8D%E0%A4%AF_%E0%A4%A4%E0%A4%BE%E0%A4%B0%E0%A4%BE" title="पुलस्त्य तारा – 印地语" lang="hi" hreflang="hi" data-title="पुलस्त्य तारा" data-language-autonym="हिन्दी" data-language-local-name="印地语" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Phecda" title="Phecda – 意大利语" lang="it" hreflang="it" data-title="Phecda" data-language-autonym="Italiano" data-language-local-name="意大利语" 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%8A%E3%81%8A%E3%81%90%E3%81%BE%E5%BA%A7%E3%82%AC%E3%83%B3%E3%83%9E%E6%98%9F" title="おおぐま座ガンマ星 – 日语" lang="ja" hreflang="ja" data-title="おおぐま座ガンマ星" data-language-autonym="日本語" data-language-local-name="日语" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%ED%8E%98%ED%81%AC%EB%8B%A4" title="페크다 – 韩语" lang="ko" hreflang="ko" data-title="페크다" data-language-autonym="한국어" data-language-local-name="韩语" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Phekda_(St%C3%A4r)" title="Phekda (Stär) – 卢森堡语" lang="lb" hreflang="lb" data-title="Phekda (Stär)" data-language-autonym="Lëtzebuergesch" data-language-local-name="卢森堡语" 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/Phad" title="Phad – 荷兰语" lang="nl" hreflang="nl" data-title="Phad" data-language-autonym="Nederlands" data-language-local-name="荷兰语" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Phad" title="Phad – 书面挪威语" lang="nb" hreflang="nb" data-title="Phad" data-language-autonym="Norsk bokmål" data-language-local-name="书面挪威语" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Phecda" title="Phecda – 波兰语" lang="pl" hreflang="pl" data-title="Phecda" data-language-autonym="Polski" data-language-local-name="波兰语" 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/Gamma_Ursae_Majoris" title="Gamma Ursae Majoris – 葡萄牙语" lang="pt" hreflang="pt" data-title="Gamma Ursae Majoris" data-language-autonym="Português" data-language-local-name="葡萄牙语" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Gamma_Ursae_Majoris" title="Gamma Ursae Majoris – 罗马尼亚语" lang="ro" hreflang="ro" data-title="Gamma Ursae Majoris" data-language-autonym="Română" data-language-local-name="罗马尼亚语" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A4%D0%B5%D0%BA%D0%B4%D0%B0" title="Фекда – 俄语" lang="ru" hreflang="ru" data-title="Фекда" data-language-autonym="Русский" data-language-local-name="俄语" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Gamma_Ursae_Majoris" title="Gamma Ursae Majoris – Simple English" lang="en-simple" hreflang="en-simple" data-title="Gamma Ursae Majoris" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Phekda" title="Phekda – 斯洛伐克语" lang="sk" hreflang="sk" data-title="Phekda" data-language-autonym="Slovenčina" data-language-local-name="斯洛伐克语" 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/Phecda" title="Phecda – 瑞典语" lang="sv" hreflang="sv" data-title="Phecda" data-language-autonym="Svenska" data-language-local-name="瑞典语" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Fahidhi" title="Fahidhi – 斯瓦希里语" lang="sw" hreflang="sw" data-title="Fahidhi" data-language-autonym="Kiswahili" data-language-local-name="斯瓦希里语" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Gama_Ursae_Majoris" title="Gama Ursae Majoris – 土耳其语" lang="tr" hreflang="tr" data-title="Gama Ursae Majoris" data-language-autonym="Türkçe" data-language-local-name="土耳其语" 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%A4%D0%B5%D0%BA%D0%B4%D0%B0" title="Фекда – 乌克兰语" lang="uk" hreflang="uk" data-title="Фекда" data-language-autonym="Українська" data-language-local-name="乌克兰语" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Gamma_Ursae_Majoris" title="Gamma Ursae Majoris – 越南语" lang="vi" hreflang="vi" data-title="Gamma Ursae Majoris" data-language-autonym="Tiếng Việt" data-language-local-name="越南语" class="interlanguage-link-target"><span>Tiếng Việt</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/Q13099#sitelinks-wikipedia" title="编辑跨语言链接" class="wbc-editpage">编辑链接</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="命名空间"> <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 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</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">维基百科，自由的百科全书</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="zh" dir="ltr"><style data-mw-deduplicate="TemplateStyles:r84833064">.mw-parser-output .hatnote{font-size:small}.mw-parser-output div.hatnote{padding-left:2em;margin-bottom:0.8em;margin-top:0.8em}.mw-parser-output .hatnote-notice-img::after{content:"\202f \202f \202f \202f "}.mw-parser-output .hatnote-notice-img-small::after{content:"\202f \202f "}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}body.skin-minerva .mw-parser-output .hatnote-notice-img,body.skin-minerva .mw-parser-output .hatnote-notice-img-small{display:none}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable"><span typeof="mw:File"><a href="/wiki/Wikipedia:%E6%B6%88%E6%AD%A7%E4%B9%89" title="Wikipedia:消歧义"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Disambig_gray.svg/25px-Disambig_gray.svg.png" decoding="async" width="25" height="19" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Disambig_gray.svg/38px-Disambig_gray.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Disambig_gray.svg/50px-Disambig_gray.svg.png 2x" data-file-width="220" data-file-height="168" /></a></span><style data-mw-deduplicate="TemplateStyles:r74069148">body:not(.skin-minerva) .mw-parser-output .ifmobile>.mobile{display:none}body.skin-minerva .mw-parser-output .ifmobile>.nomobile{display:inherit;display:initial}</style><span class="ifmobile"><span class="nomobile">  </span><span class="mobile"></span></span>关于<a href="/wiki/%E8%81%AF%E7%99%BC%E7%A7%91%E6%8A%80" title="聯發科技">聯發科</a>推出的晶片組產品，請見「<b><a href="/wiki/%E8%81%AF%E7%99%BC%E7%A7%91%E6%8A%80%E5%A4%A9%E7%92%A3" class="mw-redirect" title="聯發科技天璣">聯發科技天璣</a></b>」。</div> <table class="infobox" style="float: right; clear: right; margin: 0 0 1em 1em;"> <caption><b>γ Ursae Majoris</b> </caption><tbody><tr><td colspan="2" style="text-align:center;"><div style="text-align: center; margin-left:auto; margin-right:auto"><span typeof="mw:File"><a href="/wiki/File:Big_dipper_from_the_kalalau_lookout_at_the_kokee_state_park_in_hawaii.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c4/Big_dipper_from_the_kalalau_lookout_at_the_kokee_state_park_in_hawaii.jpg/250px-Big_dipper_from_the_kalalau_lookout_at_the_kokee_state_park_in_hawaii.jpg" decoding="async" width="250" height="375" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c4/Big_dipper_from_the_kalalau_lookout_at_the_kokee_state_park_in_hawaii.jpg/375px-Big_dipper_from_the_kalalau_lookout_at_the_kokee_state_park_in_hawaii.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c4/Big_dipper_from_the_kalalau_lookout_at_the_kokee_state_park_in_hawaii.jpg/500px-Big_dipper_from_the_kalalau_lookout_at_the_kokee_state_park_in_hawaii.jpg 2x" data-file-width="1651" data-file-height="2478" /></a></span><br />北斗七星，天玑位于图中北斗七星中从下往上数第三颗</div></td></tr> <tr> <th style="background-color: #FFFFC0;" colspan="2">觀測資料<br /><span style="font-size: small;"><a href="/wiki/%E6%9B%86%E5%85%83" title="曆元">曆元</a> J2000</span> </th></tr> <tr> <td><b><a href="/wiki/%E6%98%9F%E5%BA%A7" title="星座">星座</a></b> </td> <td><a href="/wiki/%E5%A4%A7%E7%86%8A%E5%BA%A7" title="大熊座">大熊座</a> </td></tr> <tr> <td><b><a href="/wiki/%E6%98%9F%E5%AE%98" title="星官">星官</a></b> </td> <td><a href="/wiki/%E7%B4%AB%E5%BE%AE%E5%9E%A3" title="紫微垣">紫微垣</a> <a href="/wiki/Category:%E5%8C%97%E6%96%97_(%E6%98%9F%E5%AE%98)" title="Category:北斗 (星官)">北斗</a> </td></tr> <tr> <td><b><a href="/wiki/%E8%B5%A4%E7%B6%93" class="mw-redirect" title="赤經">赤經</a></b> </td> <td>11<sup>h</sup> 53<sup>m</sup> 49.8<sup>s</sup> </td></tr> <tr> <td><b><a href="/wiki/%E8%B5%A4%E7%B7%AF" class="mw-redirect" title="赤緯">赤緯</a></b> </td> <td>+53° 41' 41" </td></tr> <tr> <td><b><a href="/wiki/%E8%A6%96%E6%98%9F%E7%AD%89" class="mw-redirect" title="視星等">視星等</a><small>（V）</small></b> </td> <td>+2.41 </td></tr><tr><th style="background-color: #FFFFC0; text-align: center;" colspan="2">特性</th></tr><tr valign="top"><td><b><a href="/wiki/%E6%81%92%E6%98%9F%E5%85%89%E8%B0%B1%E5%88%86%E7%B1%BB" class="mw-redirect" title="恒星光谱分类">光谱分类</a></b></td><td>A0Ve SB</td></tr><tr valign="top"><td><b>U−B <a href="/wiki/%E8%89%B2%E6%8C%87%E6%95%B0" class="mw-redirect" title="色指数">色指数</a></b></td><td>0.02</td></tr><tr valign="top"><td><b>B−V <a href="/wiki/%E8%89%B2%E6%8C%87%E6%95%B0" class="mw-redirect" title="色指数">色指数</a></b></td><td>0.00</td></tr><tr valign="top"><td><b><a href="/wiki/%E5%8F%98%E6%98%9F" class="mw-redirect" title="变星">变星类型</a></b></td><td>?</td></tr> <tr><th style="background-color: #FFFFC0; text-align: center;" colspan="2"><a href="/wiki/%E5%A4%A9%E4%BD%93%E6%B5%8B%E9%87%8F%E5%AD%A6" title="天体测量学">天体测定</a></th></tr><tr><th colspan="2" style="text-align: center"></th></tr><tr valign="top"><td><b><a href="/wiki/%E5%BE%91%E5%90%91%E9%80%9F%E5%BA%A6" title="徑向速度">徑向速度</a> <small>(R<sub>v</sub>)</small></b></td><td>−13 km/s</td></tr><tr valign="top"><td><b><a href="/wiki/%E8%87%AA%E8%A1%8C" title="自行">自行</a> <small>(μ)</small></b></td><td> 赤经：107.8 <a href="/wiki/%E6%AF%AB%E8%A7%92%E7%A7%92" class="mw-redirect" title="毫角秒">mas</a>/<a href="/wiki/%E5%B9%B4" title="年">yr</a> <br /> 赤纬：11.16 <a href="/wiki/%E6%AF%AB%E8%A7%92%E7%A7%92" class="mw-redirect" title="毫角秒">mas</a>/<a href="/wiki/%E5%B9%B4" title="年">yr</a> </td></tr><tr valign="top"><td><b><a href="/wiki/%E8%A7%86%E5%B7%AE" title="视差">视差</a> <small>(π)</small></b></td><td>38.99 ± 0.68 <a href="/wiki/%E6%AF%AB%E8%A7%92%E7%A7%92" class="mw-redirect" title="毫角秒">mas</a></td></tr><tr valign="top"><td><b><a href="/wiki/%E5%AE%87%E5%AE%99%E8%B7%9D%E7%A6%BB%E5%B0%BA%E5%BA%A6" title="宇宙距离尺度">距离</a></b></td><td>84 ± 1 <a href="/wiki/%E5%85%89%E5%B9%B4" title="光年">ly</a> <br />(25.6 ± 0.4 <a href="/wiki/%E7%A7%92%E5%B7%AE%E8%B7%9D" title="秒差距">pc</a>)</td></tr><tr valign="top"><td><b><a href="/wiki/%E7%BB%9D%E5%AF%B9%E6%98%9F%E7%AD%89" class="mw-redirect" title="绝对星等">绝对星等</a> <small>(M<sub>V</sub>)</small></b></td><td>+0.36</td></tr><tr><th colspan="2" style="text-align: center"></th></tr> <tr> <th style="background-color: #FFFFC0;" colspan="2">詳細資料 <sup></sup> </th></tr> <tr> <th colspan="2"> </th></tr> <tr valign="baseline"><td><b><a href="/wiki/%E8%B3%AA%E9%87%8F" class="mw-redirect" title="質量">質量</a></b></td><td>2.7 <a href="/wiki/%E5%A4%AA%E9%98%B3%E8%B4%A8%E9%87%8F" title="太阳质量"><i>M</i><sub>☉</sub></a></td></tr><tr valign="baseline"><td><b><a href="/wiki/%E5%8D%8A%E5%BE%91" class="mw-redirect" title="半徑">半徑</a></b></td><td>3 <a href="/wiki/%E5%A4%AA%E9%98%B3%E5%8D%8A%E5%BE%84" title="太阳半径"><i>R</i><sub>☉</sub></a></td></tr><tr valign="baseline"><td><b><a href="/wiki/%E4%BA%AE%E5%BA%A6" title="亮度">亮度</a></b></td><td>72 <a href="/wiki/%E5%A4%AA%E9%99%BD%E5%85%89%E5%BA%A6" title="太陽光度"><i>L</i><sub>☉</sub></a></td></tr><tr valign="baseline"><td><b><a href="/wiki/%E6%BA%AB%E5%BA%A6" class="mw-redirect" title="溫度">溫度</a></b></td><td>9500 <a href="/wiki/%E7%86%B1%E5%8A%9B%E5%AD%B8%E6%BA%AB%E6%A8%99" class="mw-redirect" title="熱力學溫標">K</a></td></tr><tr valign="baseline"><td><b><a href="/wiki/%E9%87%91%E5%B1%AC%E9%87%8F" title="金屬量">金屬量</a></b></td><td>?</td></tr><tr valign="baseline"><td><b><a href="/wiki/%E6%81%86%E6%98%9F%E8%87%AA%E8%BD%89" title="恆星自轉">自轉</a></b></td><td>?</td></tr><tr valign="baseline"><td><b><a href="/wiki/%E6%81%92%E6%98%9F#年齡" title="恒星">年齡</a></b></td><td>? <a href="/wiki/%E5%B9%B4" title="年">年</a></td></tr> <tr> <th colspan="2"> </th></tr> <tr> <th style="background-color: #D3D3D3;" colspan="2"><a href="/wiki/%E6%98%9F%E8%A1%A8" title="星表">其他命名</a> </th></tr> <tr> <td colspan="2"><div style="width: 250px;"> Phad, Phecda, Phekda, Phegda, Phekha, Phacd, Fekda, 64 Ursae Majoris, <a href="/wiki/Star_catalogue#BS,_BSC,_HR" class="mw-redirect" title="Star catalogue">HR</a> 4554, <a href="/wiki/Henry_Draper_Catalogue" class="mw-redirect" title="Henry Draper Catalogue">HD</a> 103287, <a href="/wiki/Star_catalogue##BD.2FCD.2FCPD" class="mw-redirect" title="Star catalogue">BD</a>+54 1475, FK5 447, <a href="/wiki/Hipparcos_catalogue" class="mw-redirect" title="Hipparcos catalogue">HIP</a> 58001, <a href="/wiki/SAO%E6%98%9F%E8%A1%A8" title="SAO星表">SAO</a> 28179, GC 16268 </div> </td></tr></tbody></table> <p><b>天璣</b>（<b>γ UMa</b> / <b>大熊座γ</b>），英文名<b>Phad</b>或<i>Phekda</i>，是<a href="/wiki/%E5%A4%A7%E7%86%8A%E5%BA%A7" title="大熊座">大熊座</a>中<a href="/wiki/%E5%8C%97%E6%96%97%E4%B8%83%E6%98%9F" title="北斗七星">北斗七星</a>之一，排序第三。在<a href="/wiki/%E9%98%BF%E6%8B%89%E4%BC%AF%E6%96%87" class="mw-redirect" title="阿拉伯文">阿拉伯文</a>的原意是الفخذ الدب al-faxð ad-dubb，意为“熊的大腿”，亮度2.44等，距離地球60<a href="/wiki/%E5%85%89%E5%B9%B4" title="光年">光年</a>。它和太阳位于类似的进化阶段，但是比太阳更大、更热、更亮。 </p><p>《<a href="/wiki/%E6%99%89%E6%9B%B8" class="mw-redirect" title="晉書">晉書</a>·天文志》稱“<b>天璣</b>”，而在<a href="/wiki/%E8%A1%93%E6%95%B8" class="mw-redirect" title="術數">術數</a>之中，又稱為「<b>祿存</b>」，《<a href="/wiki/%E4%BA%94%E8%A1%8C%E5%A4%A7%E4%B9%89" title="五行大义">五行大義</a>》引《黃帝斗圖》「三名祿存，寅戌生人所屬」。混雜術數的《北斗七星延命經》「南無祿存星，是東方圓滿世界金色成就如來佛」<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>。 </p> <div class="mw-heading mw-heading2"><h2 id="參考文獻"><span id=".E5.8F.83.E8.80.83.E6.96.87.E7.8D.BB"></span>參考文獻</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E5%A4%A9%E7%92%A3&action=edit&section=1" title="编辑章节：參考文獻"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="reflist" style="list-style-type: decimal;"> <ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><cite class="citation book"><a rel="nofollow" class="external text" href="http://tripitaka.cbeta.org/T21n1307_001">No. 1307 第1卷</a>. 《北斗七星延命經》. 大正藏 <b>第21冊</b>. <span class="reference-accessdate"> [<span class="nowrap">2018-10-28</span>]</span>. （原始内容<a rel="nofollow" class="external text" href="https://web.archive.org/web/20181028035814/http://tripitaka.cbeta.org/T21n1307_001">存档</a>于2018-10-28）. <q>南無祿存星。是東方圓滿世界金色成就如來佛。</q></cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E5%A4%A9%E7%92%A3&rft.atitle=No.+1307+%E7%AC%AC1%E5%8D%B7&rft.btitle=%E3%80%8A%E5%8C%97%E6%96%97%E4%B8%83%E6%98%9F%E5%BB%B6%E5%91%BD%E7%B6%93%E3%80%8B&rft.genre=bookitem&rft.series=%E5%A4%A7%E6%AD%A3%E8%97%8F&rft_id=http%3A%2F%2Ftripitaka.cbeta.org%2FT21n1307_001&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> </ol></div> <table class="metadata plainlinks stub" role="presentation" style="background:transparent"><tbody><tr class="noresize"><td><span typeof="mw:File"><a href="/wiki/File:Sirius_A_and_B_Hubble_photo.jpg" class="mw-file-description"><img alt="小作品圖示" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Sirius_A_and_B_Hubble_photo.jpg/27px-Sirius_A_and_B_Hubble_photo.jpg" decoding="async" width="27" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Sirius_A_and_B_Hubble_photo.jpg/41px-Sirius_A_and_B_Hubble_photo.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Sirius_A_and_B_Hubble_photo.jpg/55px-Sirius_A_and_B_Hubble_photo.jpg 2x" data-file-width="369" data-file-height="403" /></a></span></td><td style="font-size:smaller">这是一篇與<a href="/wiki/%E6%81%86%E6%98%9F" class="mw-redirect" title="恆星">恆星</a>相關的<a href="/wiki/Wikipedia:%E5%B0%8F%E4%BD%9C%E5%93%81" title="Wikipedia:小作品">小作品</a>。您可以通过<a class="external text" href="https://zh.wikipedia.org/w/index.php?title=%E5%A4%A9%E7%92%A3&action=edit">编辑或修订</a>扩充其内容。<style data-mw-deduplicate="TemplateStyles:r84265675">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output 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.navbox{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="北斗七星" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="collapsible-title navbox-title" colspan="3"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r84265675"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r84244141"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:%E5%8C%97%E6%96%97%E4%B8%83%E6%98%9F" title="Template:北斗七星"><abbr title="查看该模板">查</abbr></a></li><li class="nv-talk"><a href="/w/index.php?title=Template_talk:%E5%8C%97%E6%96%97%E4%B8%83%E6%98%9F&action=edit&redlink=1" class="new" title="Template talk:北斗七星（页面不存在）"><abbr title="讨论该模板">论</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:%E7%BC%96%E8%BE%91%E9%A1%B5%E9%9D%A2/Template:%E5%8C%97%E6%96%97%E4%B8%83%E6%98%9F" title="Special:编辑页面/Template:北斗七星"><abbr title="编辑该模板">编</abbr></a></li></ul></div><div id="北斗七星" style="font-size:110%;margin:0 5em"><a href="/wiki/%E5%8C%97%E6%96%97%E4%B8%83%E6%98%9F" title="北斗七星">北斗七星</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">组成天体</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0px"><div style="padding:0em 0.25em"><a href="/wiki/%E5%A4%A9%E6%A8%9E" title="天樞">天樞</a> | <a href="/wiki/%E5%A4%A9%E7%92%87" title="天璇">天璇</a> | <a class="mw-selflink selflink">天璣</a> | <a href="/wiki/%E5%A4%A9%E6%AC%8A" title="天權">天權</a> | <a href="/wiki/%E7%8E%89%E8%A1%A1_(%E6%81%92%E6%98%9F)" title="玉衡 (恒星)">玉衡</a> | <a href="/wiki/%E9%96%8B%E9%99%BD_(%E6%81%86%E6%98%9F)" title="開陽 (恆星)">開陽</a> | <a href="/wiki/%E7%91%A4%E5%85%89" title="瑤光">瑤光</a></div></td><td class="noviewer navbox-image" rowspan="3" style="width:1px;padding:0px 0px 0px 2px"><div><span typeof="mw:File"><a href="/wiki/File:Big_dipper.triddle.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b9/Big_dipper.triddle.jpg/400px-Big_dipper.triddle.jpg" decoding="async" width="400" height="138" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b9/Big_dipper.triddle.jpg/600px-Big_dipper.triddle.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b9/Big_dipper.triddle.jpg/800px-Big_dipper.triddle.jpg 2x" data-file-width="1952" data-file-height="672" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">相关星座及天体</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0px"><div style="padding:0em 0.25em"><a href="/wiki/%E5%A4%A7%E7%86%8A%E5%BA%A7" title="大熊座">大熊座</a> | <a href="/wiki/%E5%8C%97%E6%9E%81%E6%98%9F" title="北极星">北极星</a></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">类型</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0px"><div style="padding:0em 0.25em"><a href="/wiki/%E6%98%9F%E7%BE%A4" title="星群">星群</a> | <a href="/wiki/%E9%AD%81%E6%98%9F" title="魁星">魁星</a></div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">检索自“<a dir="ltr" href="https://zh.wikipedia.org/w/index.php?title=天璣&oldid=78911325">https://zh.wikipedia.org/w/index.php?title=天璣&oldid=78911325</a>”</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Special:%E9%A1%B5%E9%9D%A2%E5%88%86%E7%B1%BB" title="Special:页面分类">分类</a>：<ul><li><a href="/wiki/Category:%E6%8B%9C%E8%80%B3%E5%A4%A9%E9%AB%94" 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