NGC 5466
外觀
球狀星團 | 球狀星團表 |
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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, |
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。
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
[編輯]- WikiSky上關於NGC 5466的內容:DSS2, SDSS, GALEX, IRAS, 氫α, X射線, 天文照片, 天圖, 文章和圖片
- BROSCHE P.; GEFFERT M. Membership of above horizontal branch stars in the globular cluster NGC 5466.. The Astrophysical Journal. 1983, 127: 415–416. Bibcode:1983A&A...127..415B.[永久失效連結]
- BUONANNO R.; BUSCEMA G.; CORSI C.E.; IANNICOLA G.; FUSI PECCI F. Positions, magnitudes and colors for stars in the globular cluster NGC 5466.. The Astrophysical Journal. 1984, 56: 79–86. Bibcode:1984A&AS...56...79B.[永久失效連結]
- ZINN R.; KING R. The mass of the anomalous Cepheid in the globular cluster NGC 5466.. The Astrophysical Journal. 1982, 262: 700–708. Bibcode:1982ApJ...262..700Z.[永久失效連結]
- MONTGOMERY K.A.; HEASLEY J.N.; JANES K.A. Photometry of globular cluster NGC 5466.. Bull. American Astron. Soc. 1994, 26: 1490. Bibcode:1994BAAS...26.1490M.[永久失效連結]
- PRYOR C.; McCLURE R.D.; FLETCHER J.M.; HESSER J.E. Mass-light ratios for globular clusters. II. The low-concentration clusters NGC 288, NGC 5466, and M 55 (NGC 6809).. The Astrophysical Journal. 1991, 102: 1026–1042. Bibcode:1991AJ....102.1026P.[永久失效連結]
- BUONANNO R.; CORSI C.E.; FUSI PECCI F. The giant, asymptotic and horizontal branches of globular clusters. II. Photographic of the metal-poor clusters M 15, M 92 and NGC 5466.. The Astrophysical Journal. 1985, 145: 97–117. Bibcode:1985A&A...145...97B.[永久失效連結]
- MATEO M.; HARRIS H.C.; NEMEC J.; OLSZEWSKI E.W. Blue stragglers as remnants of stellar mergers: the discovery of short-period eclipsing binaries in globular cluster NGC 5466.. The Astrophysical Journal. 1990, 100: 469–484. Bibcode:1990AJ....100..469M.[永久失效連結]
- BELOKUROV V.; EVANS N.W.; IRWIN M.J.; HEWETT P.C.; WILKINSON M.I. The discovery of tidal tails around the globular cluster NGC 5466.. The Astrophysical Journal. 2006, 637: L29–L32. Bibcode:2006ApJ...637L..29B.[永久失效連結]
- FERRO A.A.; LOPEZ V.R.; GIRIDHAR S.; BRAMICH D.M. CCD photometry of the globular cluster NGC 5466. RR Lyrae light-curve decomposition and the distance scale.. Mon. Not. R. Astron. Soc. 2008, 384: 1444–1458. Bibcode:2008MNRAS.384.1444F.[永久失效連結]
- McCARTHY J.K.; NEMEC J.M. The chemical composition and period change rate of the anomalous cepheid V19 in NGC 5466.. The Astrophysical Journal. 1997, 482: 203–229. Bibcode:1997ApJ...482..203M.[永久失效連結]
- LEHMANN I.; SCHOLZ R.-D. Tidal radii of the globular clusters M 5, M 12, M 13, M 15, M 53, NGC 5053 and NGC 5466 from automated star counts.. The Astrophysical Journal. 1997, 320: 776–782. Bibcode:1997A&A...320..776L.[永久失效連結]
- CORWIN T.M.; CARNEY B.W.; NIFONG B.G. BV photometry of RR Lyrae variables in the globular cluster NGC 5466.. The Astrophysical Journal. 1999, 118: 2875–2887. Bibcode:1999AJ....118.2875C.[永久失效連結]
- PEIKOV Z.I. Logartithmic density range and the percentage of stars in the cores of various subsystems of the globular clusters M 56, M 12, NGC 6535, NGC 6171, NGC 5466, and M 92.. Astron. Rep. 2002, 46: 352–359. Bibcode:2002ARep...46..352P.[永久失效連結]
- JEON Y.-B.; LEE M.G.; KIM S.-L.; LEE H. SX Phoenicis stars in the globular cluster NGC 5466.. The Astrophysical Journal. 2004, 128: 287–299. Bibcode:2004AJ....128..287J.[永久失效連結]
- ROJAS LOPEZ V.; ARELLANO FERRO A.; GIRIDHAR S.; BRAMICH D.M. Physical parameters of RR Lyrae stars in the globular cluster NGC 5466: The Oosterhoff dichotomy.. Rev. Mex. Astron. Astrofis. Serie de Conf. 2006, 26: 49–49. Bibcode:2006RMxAC..26...49R.[永久失效連結]
- GRILLMAIR C.J.; JOHNSON R. The detection of a 45° tidal stream associated with the globular cluster NGC 5466.. The Astrophysical Journal. 2006, 639: L17–L20. Bibcode:2006ApJ...639L..17G.[永久失效連結]
- Fekadu, Nassissie; Sandquist, Eric L.; Bolte, Michael. Photometry of the Globular Cluster NGC 5466: Red Giants and Blue Stragglers.. The Astrophysical Journal. 2007, 663 (1): 277–295. Bibcode:2006ApJ...639L..17G.
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