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来自维基百科,自由的百科全书
M51星系群是一個位在天龍座的星系群,其名稱就是由最亮的成員渦狀星系得名(渦狀星系就是M51),另外還有其他成員包括NGC 5195、向日葵星系等等。
Name | 種類[5] | 赤經(J2000)[5] | 赤緯(J2000)[5] | 紅位移(km/s)[5] | 星等[5] |
---|---|---|---|---|---|
NGC 5195 | SB0 pec | 13h 29m 59.6s | +47° 15′ 58″ | 465 ± 10 | 10.5 |
NGC 5023 | Scd | 13h 12m 12.6s | +44° 02′ 28″ | 407 ± 1 | 12.9 |
NGC 5229 | SB(s)d | 13h 34m 02.8s | +47° 54′ 56″ | 364 ± 8 | 14.3 |
向日葵星系 | SA(rs)bc | 13h 15m 49.3s | +42° 01′ 45″ | 504 ± 4 | 9.3 |
UGC 8313 | SB(s)c | 13h 13m 53.9s | +42° 12′ 31″ | 593 ± 4 | 14.4 |
UGC 8331 | IAm | 13h 15m 30.3s | +47° 29′ 56″ | 260 ± 5 | 14.6 |
渦狀星系 | SA(s)bc pec | 13h 29m 52.7s | +47° 11′ 43″ | 463 ± 3 | 9.0 |
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