NGC 5466
NGC 5466是分類為 XII,位於牧夫座的球狀星團,距離地球51,800光年,距離銀心52,800光年,在1784年5月17日就被威廉·赫歇爾發現,並編號為HV1.9。
球狀星團 | 球狀星團表 |
---|---|
觀測資料 (曆元 J2000) | |
分類 | XII |
星座 | 牧夫座 |
赤經 | 14h 05m 27.36s |
赤緯 | +28° 32′ 04.2″ |
距離 | 51.8 kly (15.88957 kpc) |
視星等 (V) | 10.5 |
視直徑(V) | 11′ |
物理性質 | |
質量 | ( M☉) |
半徑 | |
VHB | 16.47 |
估計年齡 | |
附記 | |
其他名稱 | C 1403+287, GCl 27, |
這個球狀星團很異常的包含了一些藍色的水平分支恆星,並且和平常的球狀星團一樣是金屬貧乏的恆星。在2006年發現它是一個被稱為" 45度潮汐流"星流的來源,這個星流從牧夫座延伸至大熊座,大約有1.4°寬。
參考資料
- WikiSky上关于NGC 5466的内容:DSS2, SDSS, GALEX, IRAS, 氢α, X射线, 天文照片, 天图, 文章和图片
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