HD 59612
Star in the constellation Puppis
From Wikipedia, the free encyclopedia
HD 59612 is a class A5Ib supergiant star in the constellation Puppis. Its apparent magnitude is 4.86[2] and it is approximately 4,300 light years away based on parallax.
 | |
| Observation data Epoch J2000 Equinox ICRS | |
|---|---|
| Constellation | Puppis |
| Right ascension | 07h 29m 51.41230s[1] |
| Declination | −23° 01′ 27.4447″[1] |
| Apparent magnitude (V) | 4.86[2] |
| Characteristics | |
| Spectral type | A5 Ib[3] |
| U−B color index | +0.17[2] |
| B−V color index | +0.24[2] |
| Astrometry | |
| Radial velocity (Rv) | 35.00[4] km/s |
| Proper motion (μ) | RA: −2.831[1] mas/yr Dec.: +4.172[1] mas/yr |
| Parallax (π) | 0.7535±0.0738 mas[1] |
| Distance | 4,300 ± 400 ly (1,300 ± 100 pc) |
| Absolute magnitude (MV) | −5.10[5] |
| Details | |
| Mass | 12.9[3] M☉ |
| Radius | 44[5] R☉ |
| Luminosity | 10,864[5] L☉ |
| Surface gravity (log g) | 1.78[3] cgs |
| Temperature | 8,620[3] K |
| Metallicity [Fe/H] | +0.02[6] dex |
| Rotational velocity (v sin i) | 27[5] km/s |
| Age | 15[3] Myr |
| Other designations | |
| BD−22°1897, CD−22°4587, CCDM J07299-2301AB, GC 10043, HD 59612, HIP 36431, HR 2874, SAO 173864, WDS J07299-2301AB | |
| Database references | |
| SIMBAD | data |
It has one companion, B, at magnitude 10.7 and separation 3.0".[7] It shares a common proper motion with HD 59612 and is at a similar distance.[8]
