This article is about f Puppis. For F Puppis, see
HD 57240.
HD 61330 (f Puppis) is a class B8IV[4] (blue subgiant) star in the constellation Puppis. Its apparent magnitude is 4.53[3] and it is approximately 360 light years away based on parallax.[2]
Quick facts Observation data Epoch J2000 Equinox J2000, Constellation ...
HD 61330
Location of HD 61330 (circled) |
Observation data
Epoch J2000 Equinox J2000 |
| Constellation |
Puppis[1] |
| Right ascension |
07h 37m 22.10978s[2] |
| Declination |
−34° 58′ 06.7109″[2] |
| Apparent magnitude (V) |
4.53[3] |
| Characteristics |
| Spectral type |
B8IV[4] |
| U−B color index |
−0.31[3] |
| B−V color index |
−0.09[3] |
| Astrometry |
|---|
|
|---|
| Radial velocity (Rv) | +24.00[5] km/s |
| Proper motion (μ) | RA: −14.21[2] mas/yr
Dec.: +16.32[2] mas/yr |
| Parallax (π) | 9.05±0.40 mas[2] |
| Distance | 360 ± 20 ly
(110 ± 5 pc) |
| Absolute magnitude (MV) | −0.68[1] |
|
|---|
| Details |
|---|
|
|---|
| Mass | 3.59[6] M☉ |
| Luminosity | 270[6] L☉ |
| Temperature | 11,480[6] K |
| Rotational velocity (v sin i) | 56[6] km/s |
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|---|
| 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 |
Close
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]
