BG Crucis

BG Crucis

Observation data Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation	Crux
Right ascension	12^h 31^m 40.33017^s[1]
Declination	−59° 25′ 26.1204″[1]
Apparent magnitude (V)	5.34 - 5.58[2]
Spectral type	F5Ib-G0p[2]
Other designations
BG Cru, 35 G. Crucis, HR 4768, HIP 61136, HD 108968, CD−58°4603, AAVSO 1226-58
Database references
SIMBAD	data

BG Crucis is a star in the constellation Crux. A Cepheid variable, its apparent magnitude ranges from 5.34 to 5.58 over 3.3428 days.^[2] A yellow-white supergiant that pulsates between spectral types F5Ib and G0p, it is around 4.3 times as massive and 2,000 times as luminous as the Sun.^[3]

References

1. Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics 474 (2): 653. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.
2. 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.
3. Usenko, I. A.; Kniazev, A. Yu.; Berdnikov, L. N.; Fokin, A. B.; Kravtsov, V. V. (2014). "Spectroscopic studies of southern-hemisphere Cepheids: Three Cepheids in Crux (BG Cru, R Cru, and T Cru)". Astronomy Letters 40 (7): 435. Bibcode:2014AstL...40..435U. doi:10.1134/S106377371407007X.