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