NGC 66鲸鱼座的一個漩渦星系星等為13.4,赤經為19分04.9秒,赤緯為-22°56'11"。1886年由法蘭克·穆勒首次發現[5],含有廣大的电离氢区[6]。此星系離地球較遠,估算其大小時,需要考慮宇宙的膨脹幅度,估算值達130000光年。[5]此星系中心之外,有某個無線電波源[7],旋臂上亦有紅外線源[8]

NGC 66
Pan-STARRS image of NGC 66
观测资料(J2000 曆元
星座Cetus
赤经00h 19m 04.94039s[1]
赤纬-22° 56′ 10.8306″[1]
紅移0.025368[2]
徑向速度7509 km/s[2]
距离286.69 ± 0.65 Mly(87.90 ± 0.20 Mpc[3]
视星等 (B)14.21[2]
特征
类型SB(r)b pec[4]
其他名称
MCG-04-02-002、​PGC 1236[2]
參見:星系星系列表

參見

參考文獻

  1. ^ 1.0 1.1 Brown, A. G. A.; Vallenari, A.; Prusti, T.; de Bruijne, J. H. J.; et al. Gaia Data Release 2. Summary of the contents and survey properties. Astronomy & Astrophysics. 2018. Bibcode:2018A&A...616A...1G. arXiv:1804.09365 . doi:10.1051/0004-6361/201833051. 
  2. ^ 2.0 2.1 2.2 2.3 NGC 66. SIMBAD. 斯特拉斯堡天文資料中心. [2021-02-13]. 
  3. ^ Tully, R. Brent; et al. Cosmicflows-2: The Data. The Astronomical Journal. 2013, 146 (4): 86. Bibcode:2013AJ....146...86T. S2CID 118494842. arXiv:1307.7213 . doi:10.1088/0004-6256/146/4/86. 
  4. ^ Results for object NGC 0066 (NGC 66). NASA/IPAC Extragalactic Database. California Institute of Technology. [2021-02-13]. (原始内容存档于2022-05-07). 
  5. ^ 5.0 5.1 Seligman, Countney. Celestial Atlas, NGC Objects: NGC 50 - 99. [2022-03-06]. (原始内容存档于2018-10-24). 
  6. ^ NASA/IPAC Extragalactic Database. 2016-01-13 (英语). 
  7. ^ Unger, S. W.; Wolstencroft, R. D.; Pedlar, A.; Savage, A.; Clowes, R. G. The relationship between the radio and far-infrared emission in IRAS galaxies: VLA observations of a large well-defined sample at 1420 MHz. Monthly Notices of the Royal Astronomical Society (Oxford University Press). 1989-2, 236 (3): 425—446. ISSN 0035-8711. doi:10.1093/mnras/236.3.425 (英语). 
  8. ^ Wolstencroft, R. D.; Savage, A.; Clowes, R. G.; MacGillivray, H. T.; Leggett, S. K. The identification of IRAS point sources – I. A 304 deg2 field centred on the South Galactic Pole. Monthly Notices of the Royal Astronomical Society (Oxford University Press). 1986-11, 223 (2): 279—302. ISSN 0035-8711. doi:10.1093/mnras/223.2.279 (英语).