HD 79940

HD 79940 is a star in the constellation Vela. Its apparent magnitude is 4.64.

This article is about k Velorum. It is not to be confused with κ Velorum.

HD 79940

Observation data Epoch J2000.0      Equinox J2000.0
Constellation	Vela
Right ascension	09^h 15^m 45.0794^s[1]
Declination	−37° 24′ 47.3124″[1]
Apparent magnitude (V)	4.64
Characteristics
Spectral type	F5III
Astrometry
Proper motion (μ)	RA: 14.128 ± 0.277[1] mas/yr Dec.: −8.111 ± 0.289[1] mas/yr
Parallax (π)	20.5985 ± 0.1895[1] mas
Distance	158 ± 1 ly (48.5 ± 0.4 pc)
Absolute magnitude (MV)	0.88[2]
Details
Temperature	6397[2] K
Rotational velocity (v sin i)	117.2±5.9[2] km/s
Other designations
k Vel, CD−36 5505, GJ 339.3, GJ 9293, HD 79940, HIP 45448, HR 3684, SAO 200163[3]
Database references
SIMBAD	data

It has a projected rotational velocity of 117.2±5.9 km/s and an effective temperature of 6,397 K.[2]

References

1. Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
2. Reiners, A. (January 2006), "Rotation- and temperature-dependence of stellar latitudinal differential rotation", Astronomy and Astrophysics, 446 (1): 267–277, arXiv:astro-ph/0509399, Bibcode:2006A&A...446..267R, doi:10.1051/0004-6361:20053911.
3. "HD 79940". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2019-09-28.