Phi Velorum

"Tseen Ke" redirects here. The term may also refer to Lambda Velorum.
φ Velorum
Location of φ Velorum (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Vela
Right ascension 09h 56m 51.742s[1]
Declination −54° 34′ 04.04″[1]
Apparent magnitude (V) 3.53[2]
Characteristics
Spectral type B5 Ib[3]
U−B color index −0.62[2]
B−V color index −0.08[2]
Astrometry
Radial velocity (Rv)13.9[4] km/s
Proper motion (μ) RA: −13.08 ± 0.10[1] mas/yr
Dec.: 3.55 ± 0.10[1] mas/yr
Parallax (π)2.05 ± 0.11 mas[1]
Distance1,590 ± 90 ly
(490 ± 30 pc)
Absolute magnitude (MV)−5.4[5]
Details
Mass10.1[6] M☉
Radius31[5] R☉
Luminosity28,200[5] L☉
Surface gravity (log g)2.55[7] cgs
Temperature14,600[7] K
Rotational velocity (v sin i)17[7] km/s
Age22.6[6] Myr
Other designations
Tseen Ke,[8] HR 3940, HD 86440, SAO 237522, CD−53°3251, FK5 375, GC 13711, HIP 48774, 2MASS J09565173-5434041, IRAS 09550-5419, WDS J09569-5434, CCDM 09569-5434
Database references
SIMBADdata

Phi Velorum (φ Vel, φ Velorum) is a star in the constellation Vela. It is a blue-white B-type supergiant with an apparent magnitude of +3.53. It is approximately 1,590 light years from Earth.

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