Astronomy:HD 223229

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Short description: Suspected variable star in the constellation Andromeda
HD 223229
Observation data
Equinox J2000.0]] (ICRS)
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[1] mas
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]

References

  1. 1.0 1.1 1.2 1.3 1.4 Brown, A. G. A. (2021). "Gaia Early Data Release 3: Summary of the contents and survey properties". Astronomy & Astrophysics 649: A1. doi:10.1051/0004-6361/202039657. Bibcode2021A&A...649A...1G.  Gaia EDR3 record for this source at VizieR.
  2. 2.0 2.1 2.2 Nicolet, B. (1978), "Photoelectric photometric Catalogue of homogeneous measurements in the UBV System", Astronomy and Astrophysics Supplement Series 34: 1–49, Bibcode1978A&AS...34....1N 
  3. 3.0 3.1 Lesh, Janet Rountree (December 1968), "The Kinematics of the Gould Belt: an Expanding Group?", Astrophysical Journal Supplement 17: 371, doi:10.1086/190179, Bibcode1968ApJS...17..371L 
  4. Gontcharov, G. A. (November 2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters 32 (11): 759–771. doi:10.1134/S1063773706110065. Bibcode2006AstL...32..759G. 
  5. 5.0 5.1 5.2 5.3 Hohle, M. M. et al. (April 2010), "Masses and luminosities of O- and B-type stars and red supergiants", Astronomische Nachrichten 331 (4): 349, doi:10.1002/asna.200911355, Bibcode2010AN....331..349H 
  6. Abt, Helmut A.; Levato, Hugo; Grosso, Monica (July 2002), "Rotational Velocities of B Stars", The Astrophysical Journal 573 (1): 359–365, doi:10.1086/340590, Bibcode2002ApJ...573..359A 
  7. Tetzlaff, F.; Neuhäuser, R.; Hohle, M. M. (January 2011). "A catalogue of young runaway Hipparcos stars within 3 kpc from the Sun". Monthly Notices of the Royal Astronomical Society 410 (1): 190–200. doi:10.1111/j.1365-2966.2010.17434.x. Bibcode2011MNRAS.410..190T. 
  8. Mason, B. D. et al. (2014), "The Washington Visual Double Star Catalog", The Astronomical Journal 122 (6): 3466, doi:10.1086/323920, Bibcode2001AJ....122.3466M, http://vizier.u-strasbg.fr/viz-bin/VizieR?-source=B/wds, retrieved 2015-07-22 

External links