HD 61330
Star in the constellation Puppis From Wikipedia, the free encyclopedia
HD 61330 (f Puppis) is a class B8IV[3] (blue subgiant) star in the constellation Puppis. Its apparent magnitude is 4.53[2] and it is approximately 360 light years away based on parallax.[1]
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Puppis |
| Right ascension | 07h 37m 22.10978s[1] |
| Declination | −34° 58′ 06.7109″[1] |
| Apparent magnitude (V) | 4.53[2] |
| Characteristics | |
| Spectral type | B8IV[3] |
| U−B color index | -0.31[2] |
| B−V color index | -0.09[2] |
| Astrometry | |
| Radial velocity (Rv) | +24.00[4] km/s |
| Proper motion (μ) | RA: -14.21[1] mas/yr Dec.: +16.32[1] mas/yr |
| Parallax (π) | 9.05±0.40 mas[1] |
| Distance | 360 ± 20 ly (110 ± 5 pc) |
| Absolute magnitude (MV) | -0.68[5] |
| Details | |
| Mass | 3.59[6] M☉ |
| Luminosity | 270[6] L☉ |
| Temperature | 11,480[6] K |
| Rotational velocity (v sin i) | 56[6] km/s |
| Other designations | |
| f Puppis, CD-34°3755, CCDM J07374-3458ABC, FK5 290, GC 10246, GSC 07113-03280, HIP 37096, HR 2937, HD 61330, SAO 198195, WDS J07374-3458AB,C | |
| Database references | |
| SIMBAD | data |
It is a multiple star, with a secondary component C, with magnitude 6.07 in an 81-year orbit with eccentricity 0.64.[7] Another closer component, B, has been reported at 6.1 magnitude and 0.1" separation, but subsequent observers have repeatedly failed to confirm it.[8]
References
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