BG Geminorum is an eclipsing binary star system in the constellation Gemini. It consists of a K0 supergiant with a more massive but unseen companion. The companion is likely to be either a black hole or class B star. Material from the K0 star is being transferred to an accretion disk surrounding the unidentified object.[3]
References
- ^ a b c d e Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
- ^ a b c d Benson, Priscilla J (2000). "An Optical Study of BG Geminorum: An Ellipsoidal Binary with an Unseen Primary Star". The Astronomical Journal. 119 (2): 890–900. arXiv:astro-ph/9911179. Bibcode:2000AJ....119..890B. doi:10.1086/301230. S2CID 13393881.
- ^ a b c d Kenyon, Scott J (2002). "The Eclipsing Binary BG Geminorum: Improved Constraints on the Orbit and the Structure of the Accretion Disk". The Astronomical Journal. 124 (2): 1054–1059. arXiv:astro-ph/0205157. Bibcode:2002AJ....124.1054K. doi:10.1086/341651. S2CID 15455657.
- ^ "ASAS-SN Variable Stars Database". ASAS-SN Variable Stars Database. ASAS-SN. Retrieved 6 January 2022.
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