HD 88809
HD 88809 is a star in a double star system in the constellation Antlia. The primary is an orange giant of spectral type K1III. Located around 480 light-years distant, it shines with a luminosity approximately 124 times that of the Sun and has a surface temperature of 4607 K.[2] It has an apparent magnitude of 5.9, while the secondary star has a magnitude of 13.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Antlia |
| Right ascension | 10h 13m 45.925s[1] |
| Declination | −40° 20′ 45.80″[1] |
| Apparent magnitude (V) | 5.913 |
| Characteristics | |
| Spectral type | K1III |
| U−B color index | 1.25 |
| B−V color index | 1.21 |
| Astrometry | |
| Radial velocity (Rv) | 18 km/s |
| Proper motion (μ) | RA: −72.78 ± 0.30[1] mas/yr Dec.: 8.88 ± 0.40[1] mas/yr |
| Parallax (π) | 6.79 ± 0.55[1] mas |
| Distance | 480 ± 40 ly (150 ± 10 pc) |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Database references | |
| SIMBAD | data |
References
- van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.Vizier catalog entry
- McDonald, I.; Zijlstra, A. A.; Boyer, M. L. (2012). "Fundamental Parameters and Infrared Excesses of Hipparcos Stars". Monthly Notices of the Royal Astronomical Society. 427 (1): 343–57. arXiv:1208.2037. Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x.
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