HD 72922
HD 72922 is a giant star in the constellation Chamaeleon.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Chamaeleon |
| Right ascension | 08h 24m 19.82690s[1] |
| Declination | −80° 54′ 51.1282″[1] |
| Apparent magnitude (V) | 5.69[2] |
| Characteristics | |
| Spectral type | G8III[2] |
| U−B color index | +0.74[2] |
| B−V color index | +1.02[2] |
| Astrometry | |
| Radial velocity (Rv) | 27.50[3] km/s |
| Proper motion (μ) | RA: -150.33[1] mas/yr Dec.: 212.87[1] mas/yr |
| Parallax (π) | 12.0038 ± 0.0962[4] mas |
| Distance | 272 ± 2 ly (83.3 ± 0.7 pc) |
| Details | |
| Radius | 9.67[4] R☉ |
| Luminosity | 44[4] L☉ |
| Temperature | 4,775[4] K |
| Other designations | |
| 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
- Hoffleit, Dorrit; Jaschek, Carlos (1991). "The Bright star catalogue". New Haven, Conn.: Yale University Observatory, 5th rev.ed. Bibcode:1991bsc..book.....H.
- Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. arXiv:1606.08053. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065. Retrieved 12 December 2016.
- Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
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