HD 53811
Star in the constellation Puppis From Wikipedia, the free encyclopedia
HD 53811 is a class A4IV[3] (white subgiant) star in the constellation Puppis. Its apparent magnitude is 4.92[2] and it is approximately 198 light years away based on parallax.[1]
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Puppis |
| Right ascension | 07h 03m 53.60846s[1] |
| Declination | −49° 35′ 02.1009″[1] |
| Apparent magnitude (V) | 4.92[2] |
| Characteristics | |
| Spectral type | A4IV[3] |
| U−B color index | +0.12[4] |
| B−V color index | +0.14[5] |
| Astrometry | |
| Radial velocity (Rv) | +26.80[6] km/s |
| Proper motion (μ) | RA: -52.78[1] mas/yr Dec.: +140.27[1] mas/yr |
| Parallax (π) | 16.51 ± 0.42 mas[1] |
| Distance | 198 ± 5 ly (61 ± 2 pc) |
| Absolute magnitude (MV) | 1.01[2] |
| Details | |
| Mass | 2.02[7] M☉ |
| Radius | 2.6[7] R☉ |
| Luminosity | 33.04[2] L☉ |
| Surface gravity (log g) | 3.95[8] cgs |
| Temperature | 8,396[8] K |
| Rotational velocity (v sin i) | 59[3] km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
References
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