后髮座FK 是一顆週期2.4天,視星等在8.14至8.33等之間變化的變星;它是后髮座FK型變星的原型。后髮座FK 的變異可能是恆星表面巨大的低溫星斑隨著恆星轉動引起的。這顆恆星被認為是聯星在最近合併的結果,導致旋轉和磁性活動率都高[4]。
- ^ 1.0 1.1 1.2 1.3 1.4 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. VizieR中此天体在盖亚望远镜第二批数据发布的记录
- ^ 2.0 2.1 Strassmeier, Klaus G., Starspots, The Astronomy and Astrophysics Review, September 2009, 17 (3): 251–308, Bibcode:2009A&ARv..17..251S, doi:10.1007/s00159-009-0020-6 .
- ^ Korhonen, H., Berdyugina, S. V., Hackman, T., Duemmler, R., Ilyin, I. V., & Tuominen, I. Study of FK Comae Berenices. I. Surface images for 1994 and 1995. Astronomy and Astrophysics. 1999, 346: 103. Bibcode:1999A&A...346..101K.
- ^ 4.0 4.1 Ayres, Thomas R.; et al, FK Comae Berenices, King of Spin: The COCOA-PUFS Project, The Astrophysical Journal Supplement Series, March 2016, 223 (1): 30, Bibcode:2016ApJS..223....5A, arXiv:1601.03305 , doi:10.3847/0067-0049/223/1/5, 5.
- ^ FK Com. SIMBAD. 斯特拉斯堡天文資料中心.