AB

A visual band light curve for V616 Monocerotis, adapted from van Grunsven et al. (2017)1
Observation data
Epoch J2000 Equinox J2000
ConstellationMonoceros2
Right ascension06 22 44.5423
Declination−00° 20′ 44.29″3
Apparent magnitude (V)11.24
Characteristics
Evolutionary stageBlack hole + main sequence5
Spectral typeK2 V6
Variable typeX-ray nova, Ellipsoidal7
Astrometry
Radial velocity (R)−5±12 km/s
Proper motion (μ)RA: −0.439 mas/yr3
Dec.: −5.138 mas/yr3
Parallax (π)0.6969±0.1168 mas3
Distanceapprox. 4,700 ly
(approx. 1,400 pc)
Orbit
Period (P)7.75234±0.00010 hr
Inclination (i)50.98±0.875°
Periastron epoch (T)JD 2446082.7481±0.0008
Semi-amplitude (K)
(primary)
457±8 km/s
Details
Black hole
Mass5.86±1.248 M
Star
Mass0.34±0.038 M
Radius1.0579 R
Luminosity0.449 L
Surface gravity (log g)5.06 cgs
Temperature5,0006 K
Metallicity [Fe/H]0.06 dex
Rotational velocity (v sin i)83.8±1.96 km/s
Other designations
1A 0620-00, INTREF 297, Nova Mon 1917, Nova Mon 1975, Mon X-1, V616 Mon4
Database references
SIMBADdata

A0620-00

(echo:: @ )

Footnotes

  1. van Grunsven, Theo F. J.; Jonker, Peter G.; Verbunt, Frank W. M.; Robinson, Edward L. (December 2017). “The mass of the black hole in 1A 0620–00, revisiting the ellipsoidal light curve modelling”. Monthly Notices of the Royal Astronomical Society. 472 (2): 1907–1914. arXiv:1708.08209. Bibcode:2017MNRAS.472.1907V. doi:10.1093/mnras/stx2071.

  2. Roman, Nancy G. (1987). “Identification of a constellation from a position”. Publications of the Astronomical Society of the Pacific. 99 (617): 695. Bibcode:1987PASP…99..695R. doi:10.1086/132034. Constellation record for this object at VizieR.

  3. 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. 2 3 4 5

  4. “1A 0620-00”. SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 26 August 2017. 2

  5. Cantrell, Andrew G.; Bailyn, Charles D.; Orosz, Jerome A.; McClintock, Jeffrey E.; Remillard, Ronald A.; Froning, Cynthia S.; Neilsen, Joseph; Gelino, Dawn M.; Gou, Lijun (2010). “The Inclination of the Soft X-Ray Transient A0620-00 and the Mass of its Black Hole”. The Astrophysical Journal. 710 (2): 1127–1141. arXiv:1001.0261. Bibcode:2010ApJ…710.1127C. doi:10.1088/0004-637X/710/2/1127. S2CID 33906909. 2

  6. Zheng, Wan-Min; Wu, Qiaoya; Wu, Jianfeng; Wang, Song; Sun, Mouyuan; Guo, Jing; Liu, Junhui; Yi, Tuan; Zhang, Zhi-Xiang; Gu, Wei-Min; Wang, Junfeng; Gou, Lijun; Liu, Jifeng; Callanan, Paul J.; Ho, Luis C.; Longa-Peña, Penélope; Orosz, Jerome A.; Reynolds, Mark T. (2022), “The Disk Veiling Effect of the Black Hole Low-mass X-Ray Binary A0620-00”, The Astrophysical Journal, 925 (1): 83, arXiv:2112.07842, Bibcode:2022ApJ…925…83Z, doi:10.3847/1538-4357/ac4332, S2CID 245144462 2 3 4 5

  7. Samus, N. N.; Durlevich, O. V.; et al. (2009). “VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)”. VizieR On-line Data Catalog: B/GCVS. Originally Published in: 2009yCat…102025S. 1. Bibcode:2009yCat…102025S.

  8. Van Grunsven, Theo F. J.; Jonker, Peter G.; Verbunt, Frank W. M.; Robinson, Edward L. (2017), “The mass of the black hole in 1A 0620-00, revisiting the ellipsoidal light curve modelling”, Monthly Notices of the Royal Astronomical Society, 472 (2): 1907, arXiv:1708.08209, Bibcode:2017MNRAS.472.1907V, doi:10.1093/mnras/stx2071 2

  9. Stassun, Keivan G.; et al. (1 October 2019), “The Revised TESS Input Catalog and Candidate Target List”, The Astronomical Journal, 158 (4): 138, arXiv:1905.10694, Bibcode:2019AJ…158..138S, doi:10.3847/1538-3881/ab3467, hdl:1721.1/124721, ISSN 0004-6256, S2CID 166227927. 2