HD 56456 is a class B8.5V[3] (blue main-sequence) star in the constellation Puppis. Its apparent magnitude is 4.76[2] and it is approximately 377 light years away based on parallax.[1]
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Puppis |
Right ascension | 07h 14m 38.14062s[1] |
Declination | −48° 16′ 18.9420″[1] |
Apparent magnitude (V) | 4.76[2] |
Characteristics | |
Spectral type | B8.5Vn[3] |
U−B color index | -0.29[2] |
B−V color index | -0.10[2] |
Astrometry | |
Radial velocity (Rv) | +39.00[4] km/s |
Proper motion (μ) | RA: -4.40[1] mas/yr Dec.: +0.01[1] mas/yr |
Parallax (π) | 8.66 ± 0.17 mas[1] |
Distance | 377 ± 7 ly (115 ± 2 pc) |
Absolute magnitude (MV) | -0.56[5] |
Details | |
Mass | 3.39[6] M☉ |
Luminosity | 220[6] L☉ |
Temperature | 10,860[6] K |
Rotational velocity (v sin i) | 240[6] km/s |
Other designations | |
Database references | |
SIMBAD | data |
It has one companion, B, at magnitude 13.5 and separation 18".[7]