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V372 Carinae
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Carina |
| Right ascension | 07h 52m 29.74145s[2] |
| Declination | −54° 22′ 01.7898″[2] |
| Apparent magnitude (V) | 5.70[3] |
| Characteristics | |
| Spectral type | B1.5IV |
| B−V color index | −0.151±0.004[3] |
| Variable type | Beta Cephei[4] |
| Astrometry | |
| Radial velocity (Rv) | +18.0±4.3[3] km/s |
| Proper motion (μ) | RA: −4.534[2] mas/yr Dec.: +8.642[2] mas/yr |
| Parallax (π) | 2.3134 ± 0.1239 mas[2] |
| Distance | 1,410 ± 80 ly (430 ± 20 pc) |
| Absolute magnitude (MV) | −2.35[3] |
| Details | |
| Mass | 10.1±0.1[5] M☉ |
| Radius | 8.4[6] R☉ |
| Luminosity | 1,742[7] L☉ |
| Temperature | 14,132[7] K |
| Age | 15.8±2.2[5] Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
V372 Carinae is a single[9] star in the southern constellation of Carina. Located around 1300 light-years distant. It shines with a luminosity approximately 1742 times that of the Sun and has a surface temperature of 14132 K.[7] It is a Beta Cephei variable.[4] A magnitude 5.7 star, it will be faintly visible on moonless nights to the naked eye of a person located far from city lights.
In 1977, Mikołaj Jerzykiewicz and Christiaan Sterken announced their discovery that the star, then called HD 64722, is a variable star.[10] It was given its variable star designation, V372 Carinae, in 1981.[11]
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