V399 Carinae
| Observation data Epoch J2000.0 Equinox J2000.0 |
|
|---|---|
| Constellation | Carina |
| Right ascension | 10h 27m 24.47114s[1] |
| Declination | −57° 38′ 19.6958″[1] |
| Apparent magnitude (V) | +4.69[2] |
| Absolute magnitude (V) | −8.8[3] |
| Spectral type | A5Iae[4] |
| Other designations | |
| Database references | |
| SIMBAD | data |
V399 Carinae (V399 Car) or P Carinae (P Car) is a variable star in the constellation Carina.
V399 Carinae is a white A-type star that is either a luminous supergiant [5] or hypergiant.[3] Mean magnitude is +4.69V, with its approximate distance 8,000 light years (2450 parsecs)[6] from Earth assuming it is a member of the IC 2581 open cluster, which is given a 62.9% probability.[7]
Its brightness varies from magnitude +4.64 to +4.71 with various periods of 1–2 months. It is classified as a Cepheid variable star, but almost certainly isn't.[3]
References
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