超新星候選列表
外观
超新星候選列表是天文學家提出將成為超新星前身的恆星。II型超新星的前身包括演化至最後階段的質量仍然大於10倍太陽質量的恆星(在這個質量範圍內的恆星,著名的例子包括心宿二、角宿一[1]、天社一[2]、仙王座μ和五合星團中的一些成員[3]。)。Ia型超新星的前身是接近錢德拉塞卡極限,經由伴星吸積至大約是1.44太陽質量的白矮星。這張表也包括大質量的沃夫-瑞葉星,它們可能會成為Ia/Ib超新星。
名稱 | 曆元 J2000 | 星座 | 距離 (光年) |
光譜 分類 |
註解 | |
---|---|---|---|---|---|---|
R. A. | Dec. | |||||
飛馬座IK | 21h 26m 26.7s | +19° 22′ 32″ | 飛馬座 | 150 | A8m:/DA | [4][5] |
角宿一 | 13h 25m 11.6s | -11° 09′ 40.8″ | 室女座 | 250 | B1 | [6] |
骑官十 | 14h 41m 56s | –47° 23′ 17″ | 豺狼座 | 550 | B1.5 | [7][6] |
心宿二 | 16h 29m 24s | –26° 25′ 55″ | 天蝎座 | 600 | M1.5Iab-b | [8][6] |
参宿四 | 05h 55m 10.3s | +07° 24′ 25″ | 獵戶座 | 640 | M2Iab | [1][9] |
天社一 | 08h 09m 32.0s | −47° 20′ 12″ | 船帆座 | 800 | WC8 | [9] |
参宿七 | 05h 14m 32.3s | –08° 12′ 06″ | 猎户座 | 860 | B8Ia | [10][6] |
弧矢九 | 7h 17m 08s | –37° 05′ 51″ | 船尾座 | 1,100 | K3 Ib | |
金牛座119 | 05h 32m 12.8s | +18° 35′ 40″ | 金牛座 | 1,700 | M2Iab-Ib | |
蛇夫座RS | 17h 50m 13.2s | –06° 42′ 28″ | 蛇夫座 | 1,950–5,200 | M2III/D | [11][12] |
HD 168625 | 18h 21m 19.5s | −16° 22′ 26″ | 人馬座 | 7,200 | B6Ia | [13] |
羅盤座T | 09h 04m 41.5s | −32° 22′ 48″ | 羅盤座 | 3,260 | [14][15] | |
HD 179821 | 19h 13m 58.6s | +00° 07′ 32″ | 天鷹座 | 3,300 | G5Ia | [16][17] |
大犬座VY | 07h 22m 58.3s | −25° 46′ 03″ | 大犬座 | 4,900 | M5eIa | [18][19] |
Sher 25 | 11h 15m 07.8s | −61° 15′ 17″ | 船底座 | ~20,000 | B1.5Iab | [20] |
海山二 | 10h 45m 03.6s | −59° 41′ 04″ | 船底座 | 7,000–8,000 | B3-5Ia0/O7I(WC8) | [21][22] |
WR 104 | 18h 02m 04.1s | –23° 37′ 41″ | 人馬座 | 8,000 | WC9d/OB | [23][24] |
IRC+10420 | 19h 26m 48.1s | +11° 21′ 17″ | 天鷹座 | 10,000-23,000 | F8Ia+ | [25][26] |
仙后座ρ | 23h 54m 23.0s | +57° 29′ 58″ | 仙后座 | 12,000 | G2Ia0e | [27] |
HD 179821 | 19h 13m 58.6s | +00° 07′ 32″ | 天鷹座 | 20,000 | G5Ia | [17][28] |
船尾座V445 | 07h 37m 56.9s | –25° 56′ 59″ | 船尾座 | 27,000 | [29] | |
天蝎座U | 16h 22m 30.7s | –17° 52′ 42″ | 天蝎座 | 39,000 | [30] | |
KPD1930+2752 | 19h 32m 14.9s | +27° 58′ 35″ | 天鵝座 | sdB/D | [nb 1][31][32] |
註解
[编辑]- ^ The Kitt Peak Downes star.
參考資料
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