Gamma Pyxidis

γ Pyxidis
Location of γ Pyxidis (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Pyxis
Right ascension 08h 50m 31.92282s[1]
Declination −27° 42′ 35.4421″[1]
Apparent magnitude (V) 4.010[2]
Characteristics
Spectral type K3 III[2]
U−B color index +1.368[3]
B−V color index +1.284[3]
Astrometry
Radial velocity (Rv)+24.5±0.7[4] km/s
Proper motion (μ) RA: −134.31[1] mas/yr
Dec.: 87.89[1] mas/yr
Parallax (π)15.73 ± 0.17 mas[1]
Distance207 ± 2 ly
(63.6 ± 0.7 pc)
Absolute magnitude (MV)+0.00[5]
Details
Mass1.64[2] M☉
Radius21.87[6] R☉
Luminosity178[7] L☉
Surface gravity (log g)2.35[8] cgs
Temperature4,270[8] K
Metallicity [Fe/H]−0.05[8] dex
Age4.29±2.49[6] Gyr
Other designations
γ Pyx, CPD−27° 3442, FK5 332, GC 12216, HD 75691, HIP 43409, HR 3518, SAO 176559[9]
Database references
SIMBADdata

Gamma Pyxidis, Latinized from γ Pyxidis, is a single,[10] orange-hued star in the southern constellation Pyxis. It is visible to the naked eye, having an apparent visual magnitude of 4.010.[2] Based upon an annual parallax shift of 15.73 mas as seen from Earth,[1] it is located about 207 light years from the Sun. The star is moving further from the Sun with a radial velocity of +24.5 km/s.[4]

  1. ^ a b c d e f 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.
  2. ^ a b c d Cite error: The named reference Luck2015 was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference apjs15 was invoked but never defined (see the help page).
  4. ^ a b Cite error: The named reference Gontcharov2006 was invoked but never defined (see the help page).
  5. ^ 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, S2CID 119257644.
  6. ^ a b Cite error: The named reference Reffert2015 was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference aaa352_495 was invoked but never defined (see the help page).
  8. ^ a b c Cite error: The named reference mnras374 was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference SIMBAD was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference Eggleton2008 was invoked but never defined (see the help page).