HD 95808
| Observation data Epoch J2000 Equinox ICRS | |
|---|---|
| Constellation | Crater[1] |
| Right ascension | 11h 03m 14.87928s[2] |
| Declination | −11° 18′ 12.4984″[2] |
| Apparent magnitude (V) | 5.50[3] |
| Characteristics | |
| Evolutionary stage | red giant branch[2] |
| Spectral type | G7-IIIb[4] |
| B−V color index | +0.94[3] |
| Astrometry | |
| Radial velocity (Rv) | −8.90±0.10[5] km/s |
| Proper motion (μ) | RA: −82.299[2] mas/yr Dec.: −106.645[2] mas/yr |
| Parallax (π) | 10.3622±0.0926 mas[2] |
| Distance | 315 ± 3 ly (96.5 ± 0.9 pc) |
| Absolute magnitude (MV) | +0.44[1] |
| Details[5] | |
| Mass | 2.43±0.15 M☉ |
| Radius | 10.10±0.76 R☉ |
| Luminosity | 64.6 L☉ |
| Surface gravity (log g) | 3.05±0.07 cgs |
| Temperature | 5,029±34 K |
| Metallicity [Fe/H] | −0.04±0.03 dex |
| Rotational velocity (v sin i) | 2.27±0.45 km/s |
| Age | 680±130 Myr |
| Other designations | |
| BD−10°3184, HD 95808, HIP 54029, HR 4305, SAO 156421 | |
| Database references | |
| SIMBAD | data |
HD 95808 is a double star in the constellation of Crater. Its apparent magnitude is 5.50,[3] but interstellar dust makes it appear 0.11 magnitudes dimmer than it should be.[5] It is located some 315 light-years (96.5 parsecs) away, based on parallax.[2]
HD 95808 is a G-type giant star. At an age of 680 million years old, it has swelled up to a radius of 10.1 times that of the Sun, and it is 2.43 times as massive. It emits 64.6 times as much energy as the Sun at a surface temperature of 5,029 K.[5]
References
[edit]- 1 2 Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. arXiv:1108.4971. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015. XHIP record for this object at VizieR.
- 1 2 3 4 5 6 7 Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
- 1 2 3 Corben, P. M. (1966). "Photoelectric magnitudes and colours for bright southern stars". Monthly Notes of the Astron. Soc. Southern Africa. 25: 44. Bibcode:1966MNSSA..25...44C.
- ↑ Keenan, Philip C.; McNeil, Raymond C. (1989). "The Perkins catalog of revised MK types for the cooler stars". The Astrophysical Journal Supplement Series. 71: 245. Bibcode:1989ApJS...71..245K. doi:10.1086/191373.
- 1 2 3 4 Jofré, E.; Petrucci, R.; Saffe, C.; Saker, L.; de la Villarmois, E. Artur; Chavero, C.; Gómez, M.; Mauas, P. J. D. (2015). "Stellar parameters and chemical abundances of 223 evolved stars with and without planets". Astronomy & Astrophysics. 574: A50. arXiv:1410.6422. Bibcode:2015A&A...574A..50J. doi:10.1051/0004-6361/201424474. S2CID 53666931.
