HD 72922

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HD 72922
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
Distance272 ± 2 ly
(83.3 ± 0.7 pc)
Details
Radius9.67[4] R☉
Luminosity44[4] L☉
Temperature4,775[4] K
Other designations
3147, HR 3393, HD 72922, HIP 41191, SAO 258496, GC 11625, TYC 9406-1139-1
Database references
SIMBADdata

HD 72922 is a giant star in the constellation Chamaeleon.

References[]

  1. ^ a b c d 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. S2CID 18759600. Vizier catalog entry
  2. ^ a b c d 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. S2CID 119231169. Retrieved 12 December 2016.
  4. ^ a b c d 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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