HD 72922

HD 72922 is a giant star in the constellation Chamaeleon.

HD 72922

Observation data Epoch J2000      Equinox J2000
Constellation	Chamaeleon
Right ascension	08^h 24^m 19.82690^s[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
LTT 3147, HR 3393, HD 72922, HIP 41191, SAO 258496, GC 11625, TYC 9406-1139-1
Database references
SIMBAD	data

References

1. 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
2. Hoffleit, Dorrit; Jaschek, Carlos (1991). "The Bright star catalogue". New Haven, Conn.: Yale University Observatory, 5th rev.ed. Bibcode:1991bsc..book.....H.
3. 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.
4. 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.