HD 54879

HD 54879
Location of HD 54879 (circled)
Observation data
Epoch J2000.0[1]      Equinox J2000.0[1]
Constellation Canis Major
Right ascension 07h 10m 08.14876s
Declination −11° 48′ 09.8389″
Apparent magnitude (V) 7.65[2]
Characteristics
Evolutionary stage O9.7V[3]
U−B color index −0.80[2]
B−V color index −0.05[2]
J−H color index −0.037[2]
J−K color index −0.079[2]
Astrometry
Radial velocity (Rv)34.46±0.27[4] km/s
Proper motion (μ) RA: −2.808[1] mas/yr
Dec.: 1.270[1] mas/yr
Parallax (π)0.799 ± 0.0347 mas[1]
Distance4,100 ± 200 ly
(1,250 ± 50 pc)
Details[5]
Mass14±7 M☉
Radius6.1±1.5 R☉
Luminosity28200+16500
−10400 L☉
Surface gravity (log g)4.0±0.1 cgs
Temperature30500±500 K
Rotation2562+63
−58 d[6]
Age5±1 Myr
Other designations
BD−11° 1822, Gaia DR2 3045391130111207808, HD 54879, HIP 34612, SAO 152491, PPM 218262, TIC 177860391, TYC 5402-632-1, GSC 05402-00632, 2MASS J07100815-1148097[2]
Database references
SIMBADdata

HD 54879 is a bluish-hued star in the southern constellation of Canis Major, close to the border with Monoceros. It is too faint to be seen by the naked eye, having an apparent magnitude of 7.65, but can be readily observed using a pair of binoculars.[7] The star is located some 4,100 light-years (1,300 pc) distant according to Gaia EDR3 parallax measurements, and is moving away from the Solar System at a heliocentric radial velocity of 34.46 km/s.

  1. ^ a b c d Cite error: The named reference EDR3 was invoked but never defined (see the help page).
  2. ^ a b c d e f Cite error: The named reference simbad was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference Jarvinen2021 was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference Boyajian2007 was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Shenar2017 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference Erba2024 was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference bino was invoked but never defined (see the help page).