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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 J2000 | |
---|---|
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 | |
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]
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