HD 93607

HD 93607 (HR 4222) is a star in the constellation Carina. Its apparent magnitude is 4.87. Its parent cluster is IC 2602.

HD 93607

Location of HD 93607 in IC 2602 (circled)
Observation data Epoch J2000.0      Equinox J2000.0
Constellation	Carina[1]
Right ascension	10h 46m 51.21898s[2]
Declination	−64° 23′ 00.5045″[2]
Apparent magnitude (V)	4.87[3]
Characteristics
Evolutionary stage	main sequence[2]
Spectral type	B4V[4]
U−B color index	−0.655[3]
B−V color index	−0.15[3]
Astrometry
Proper motion (μ)	RA: −18.590[2] mas/yr Dec.: +9.832[2] mas/yr
Parallax (π)	6.6468±0.0739 mas[2]
Distance	491 ± 5 ly (150 ± 2 pc)
Absolute magnitude (MV)	−1.116[5]
Details
Mass	5.9[6] M☉
Radius	3.9[2] R☉
Luminosity	893[5] L☉
Surface gravity (log g)	4.098[7] cgs
Temperature	16,882[5] K
Metallicity [Fe/H]	+0.34[2] dex
Rotational velocity (v sin i)	160[7] km/s
Age	17.5[6] Myr
Other designations
CPD−63 1655, HD 93607, HIP 52736, HR 4222, SAO 251120
Database references
SIMBAD	data

HD 93607 is a B4 main sequence star, although older spectral studies classified it as a subgiant.^[8] It is included on a list of the least variable stars amongst those observed by the Hipparcos satellite, with a possible variation less than 0.01 magnitudes.^[9]

HD 93607 lies in the core region of the bright open cluster IC 3602. Its age is uncertain but around 17 million years.^[6]