HD 222095

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HD 222095
Phoenix constellation map.svg
Red circle.svg

Location of HD 222095 (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Phoenix
Right ascension 23h 37m 50.99418s[1]
Declination −45° 29′ 32.4672″[1]
Apparent magnitude (V) 4.74[2]
Characteristics
Spectral type A2V[3]
U−B color index +0.09[2]
B−V color index +0.08[2]
Astrometry
Radial velocity (Rv) +3.40[4] km/s
Proper motion (μ) RA: +70.71[1] mas/yr
Dec.: -12.66[1] mas/yr
Parallax (π) 16.29 ± 0.22[1] mas
Distance 200 ± 3 ly
(61.4 ± 0.8 pc)
Absolute magnitude (MV) 0.80[3]
Details
Mass 2.55[5] M
Luminosity 41.42[3] L
Surface gravity (log g) 3.92[5] cgs
Temperature 9,230[5] K
Metallicity [Fe/H] -0.01[6] dex
Rotational velocity (v sin i) 141[5] km/s
Other designations
FK5 889, GC 32836, HIP 116602, HR 8959, HD 222095, SAO 231707
Database references
SIMBAD data

HD 222095 is a class A2V[3] (white main-sequence) star in the constellation Phoenix. Its apparent magnitude is 4.74[2] and it is approximately 200 light years away based on parallax.[1]

References[edit]

  1. ^ a b c d e f Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653. arXiv:0708.1752Freely accessible. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.  Vizier catalog entry
  2. ^ a b c d Ducati, J. R. (2002). "VizieR Online Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system". CDS/ADC Collection of Electronic Catalogues. 2237. Bibcode:2002yCat.2237....0D. 
  3. ^ a b c d Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. arXiv:1108.4971Freely accessible. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015.  Vizier catalog entry
  4. ^ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065. 
  5. ^ a b c d David, Trevor J.; Hillenbrand, Lynne A. (2015). "The Ages of Early-Type Stars: Strömgren Photometric Methods Calibrated, Validated, Tested, and Applied to Hosts and Prospective Hosts of Directly Imaged Exoplanets". The Astrophysical Journal. 804 (2): 146. arXiv:1501.03154Freely accessible. Bibcode:2015ApJ...804..146D. doi:10.1088/0004-637X/804/2/146.  Vizier catalog entry
  6. ^ Gontcharov, G. A. (2012). "Dependence of kinematics on the age of stars in the solar neighborhood". Astronomy Letters. 38 (12): 771. arXiv:1606.08814Freely accessible. Bibcode:2012AstL...38..771G. doi:10.1134/S1063773712120031.  Vizier catalog entry