HD 223311

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HD 223311
Observation data
Epoch J2000      Equinox J2000
Constellation Aquarius
Right ascension  23h 48m 32.47943s[1]
Declination −06° 22′ 49.5231″[1]
Apparent magnitude (V) 6.08[2]
Spectral type K4III[3]
U−B color index +1.71[2]
B−V color index +1.452[3]
Radial velocity (Rv)−20.069±0.008[3] km/s
Proper motion (μ) RA: +0.01[1] mas/yr
Dec.: −19.04[1] mas/yr
Parallax (π)4.10 ± 0.55[1] mas
Distanceapprox. 800 ly
(approx. 240 pc)
Metallicity [Fe/H]−0.22±0.09[4] dex
Other designations
BD-07° 6086, FK5 3912, HD 223311, HIP 117420, HR 9014, SAO 146919.
Database references

HD 223311 is a suspected variable star in the equatorial constellation of Aquarius.


  1. ^ a b c d e 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
  2. ^ a b Johnson, H. L.; et al. (1966), "UBVRIJKL photometry of the bright stars", Communications of the Lunar and Planetary Laboratory, 4 (99), Bibcode:1966CoLPL...4...99J
  3. ^ a b c Soubiran, C.; et al. (April 2013), "The catalogue of radial velocity standard stars for Gaia. I. Pre-launch release", Astronomy & Astrophysics, 552: 11, arXiv:1302.1905, Bibcode:2013A&A...552A..64S, doi:10.1051/0004-6361/201220927, A64
  4. ^ Taylor, B. J. (February 1999), "Catalogs of temperatures and [Fe/H] averages for evolved G and K stars", Astronomy and Astrophysics Supplement, 134: 523–524, Bibcode:1999A&AS..134..523T, doi:10.1051/aas:1999153

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