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This page describes an image 船尾座星圖

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Diagram caption: 船尾座(Puppis)及其明亮恆星與周邊星座示意圖。從頂部開始沿順時針方向,船尾座周邊的星座依次為:麒麟座(Monoceros)、大犬座(Canis Major)、天鴿座(Columba)、繪架座(Pictor)、船底座(Carina)、船帆座(Vela)、羅盤座(Pyxis)和長蛇座(Hydra)。船尾座位於南半球,因此整個南半球一年中的某些時候都能看到整個星座。北半球的赤道地區和一些溫帶地區也能看到整個星座,除了最北極的地區外,其他地區都能看到星座的一部分。在北半球的冬季和南半球的夏季,傍晚時分最適合觀賞船尾座。

疏散星團 M46、M93 和 NGC 2477 在圖中以黃色圓圈標注。球狀星團 M47 以疊加十字符號的黃色圓圈標記。

該圖的縱軸為赤緯,橫軸為赤經,方向為上北下南左東右西。圖中標注的恆星大小對應其視星等——衡量天體視亮度的標準,較大的圓點代表著較亮的恆星。圖中的希臘字母標注著星座中最亮的恆星。這些恆星按亮度排序,最亮的一般被標記為α星,第二亮的一般為β星,等等,不過這種字母排序並不總是和實際亮度排序完全一致。船尾座以前與船帆座和船底座同屬於更大的天舟座。由於恆星的字母名稱是在劃分之前產生的,希臘字母名稱現在被劃分到了三個星座中,因此,船尾座的恆星命名中缺失α、β、γ、δ星(這些名稱被分配至其他兩個星座)。圖中虛線標注的是國際天文學聯合會劃定的星座邊界,綠色實線則是一種常見的星座形象連線。需要注意的是,在實際觀測時,這些邊界與連線都不會出現在天空中。


Diagram credit: 國際天文學聯合會天文教育辦公室(IAU OAE)根據國際天文學聯合會和《天空與望遠鏡》的原文改編. Credit Link

Diagram translation status: Not yet approved by a reviewer
Diagram translators: An automated transliteration from the simplified Chinese translation by - Lin Shijie
Diagram license: Creative Commons 姓名標示 4.0 國際 (CC BY 4.0) Creative Commons 姓名標示 4.0 國際 (CC BY 4.0) icons

Related glossary terms: 天球坐標 , 星座 , 視星等 , 赤經(RA) , 赤緯
Categories: Naked Eye Astronomy

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