HD 223229

HD 223229
Observation data
Epoch J2000      Equinox J2000
Constellation Andromeda
Right ascension 23h 47m 33.04919s[1]
Declination +46° 49′ 57.2217″[1]
Apparent magnitude (V) 6.07[2]
Characteristics
Spectral type B3IV[3]
U−B color index −0.66[2]
B−V color index −0.14[2]
Astrometry
Radial velocity (Rv)−9.3±2.2[4] km/s
Proper motion (μ) RA: 0.708±0.059[1] mas/yr
Dec.: −5.845±0.050[1] mas/yr
Parallax (π)1.9698 ± 0.0761 mas[1]
Distance1,660 ± 60 ly
(510 ± 20 pc)
Details
Mass6.31±0.49[5] M☉
Luminosity (bolometric)1,762[5] L☉
Temperature17,900[5] K
Rotational velocity (v sin i)30[6] km/s
Age36.8±3.0[7] Myr
Other designations
BD+46° 416, HD 223229, HIP 117340, HR 9011, SAO 53374.
Database references
SIMBADdata

HD 223229 is a suspected variable star in the northern constellation of Andromeda. It is a double star consisting of a magnitude 6.11 primary and a magnitude 8.73 companion. The pair have an angular separation of 0.80″ along a position angle of 250°, as of 2009.[8] The primary is a B-type subgiant star with a stellar classification of B3IV.[3] It has an estimated 6.3 times the mass of the Sun, with an effective temperature of 17,900 K.[5]

  1. ^ a b c d e Cite error: The named reference Gaia EDR3 was invoked but never defined (see the help page).
  2. ^ a b c Cite error: The named reference aass34_1 was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference apjs17_371 was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference Gontcharov was invoked but never defined (see the help page).
  5. ^ a b c d Cite error: The named reference an331_4_349 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference apj573_1_359 was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference Tetzlaff2011 was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference WDSC2014 was invoked but never defined (see the help page).