狐狸座NR

狐狸座的红特超巨星

狐狸座NR是一颗位于狐狸座红特超巨星,狐狸座NR属于慢不规则变星,并且是已知的最大恒星之一。

狐狸座NR
观测资料
历元 J2000
星座 狐狸座
星官
赤经 19h 50m 11.9270s[1]
赤纬 24° 55′ 24.183″[1]
视星等(V) 9.13 - 9.61[2]
特性
光谱分类M1Ia[2]
变星类型慢不规则变星[2]
天体测定
自行 (μ) 赤经:−1.435[1] mas/yr
赤纬:−6.223[1] mas/yr
视差 (π)−0.08 ± 0.63[1] mas
距离approx. 0 ly
(approx. −10,000 pc)
详细资料
半径980[3] R
亮度225,000[3] L
温度4,000[3] K
参考数据库
SIMBAD资料

参见

参考

  1. ^ 1.0 1.1 1.2 1.3 1.4 Gaia Collaboration; Brown, A. G. A.; Vallenari, A.; Prusti, T.; De Bruijne, J. H. J.; Mignard, F.; Drimmel, R.; Babusiaux, C.; Bailer-Jones, C. A. L.; Bastian, U.; Biermann, M.; Evans, D. W.; Eyer, L.; Jansen, F.; Jordi, C.; Katz, D.; Klioner, S. A.; Lammers, U.; Lindegren, L.; Luri, X.; O'Mullane, W.; Panem, C.; Pourbaix, D.; Randich, S.; Sartoretti, P.; Siddiqui, H. I.; Soubiran, C.; Valette, V.; Van Leeuwen, F.; et al. Gaia Data Release 1. Summary of the astrometric, photometric, and survey properties. Astronomy & Astrophysics. 2016, 595: A2. Bibcode:2016A&A...595A...2G. arXiv:1609.04172 . doi:10.1051/0004-6361/201629512. 
  2. ^ 2.0 2.1 2.2 NR Vul, database entry, The combined table of GCVS Vols I-III and NL 67-78 with improved coordinates, General Catalogue of Variable Stars页面存档备份,存于互联网档案馆), Sternberg Astronomical Institute, Moscow, Russia. Accessed on line November 12, 2010.
  3. ^ 3.0 3.1 3.2 Levesque, Emily M.; Massey, Philip; Olsen, K. A. G.; Plez, Bertrand; Josselin, Eric; Maeder, Andre; Meynet, Georges. The Effective Temperature Scale of Galactic Red Supergiants: Cool, but Not As Cool As We Thought. The Astrophysical Journal. August 2005, 628 (2): 973–985. Bibcode:2005ApJ...628..973L. arXiv:astro-ph/0504337 . doi:10.1086/430901.