Kappa Phoenicis

From Wikipedia, the free encyclopedia
Jump to: navigation, search
κ Phoenicis
Phoenix constellation map.svg
Red circle.svg

Location of κ Phoenicis (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Phoenix
Right ascension 00h 26m 12.20183s[1]
Declination −43° 40′ 47.3929″[1]
Apparent magnitude (V) 3.94[2]
Characteristics
Spectral type A5IVn[3]
U−B color index +0.11[2]
B−V color index +0.17[2]
Astrometry
Radial velocity (Rv) +11.30[4] km/s
Proper motion (μ) RA: +106.20[1] mas/yr
Dec.: +32.15[1] mas/yr
Parallax (π) 42.00 ± 0.15[1] mas
Distance 77.7 ± 0.3 ly
(23.81 ± 0.09 pc)
Absolute magnitude (MV) 2.05[3]
Details
Mass 1.74[5] M
Luminosity 12.66[3] L
Surface gravity (log g) 4.30[5] cgs
Temperature 8,226[5] K
Metallicity [Fe/H] -0.04[3] dex
Rotational velocity (v sin i) 245.0[6] km/s
Other designations
GC 516, HIP 2072, HR 100, HD 2262, SAO 215092
Database references
SIMBAD data

Kappa Phoenicis (κ Phe) is a class A5IV[3] (white subgiant) star in the constellation Phoenix. Its apparent magnitude is 3.94[2] and it is approximately 77.7 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 e 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. ^ Evans, D. S. (1967). "The Revision of the General Catalogue of Radial Velocities". Determination of Radial Velocities and their Applications. 30: 57. Bibcode:1967IAUS...30...57E. 
  5. ^ a b c 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. ^ Glebocki, R.; Gnacinski, P. (2005). "VizieR Online Data Catalog: Catalog of Stellar Rotational Velocities (Glebocki+ 2005)". VizieR On-line Data Catalog: III/244. Originally published in: 2005csss...13..571G; 2005yCat.3244....0G. 3244. Bibcode:2005yCat.3244....0G.  Vizier catalog entry