Beta Pavonis

β Pavonis


Location of β Pavonis (circled)

Observation data
Epoch J2000      Equinox J2000
Constellation Pavo
Right ascension 20h 44m 57.49399s[1]
Declination −66° 12′ 11.5708″[1]
Apparent magnitude (V) 3.42[2]
Characteristics
Spectral type A5IV[3]
U−B color index +0.12[4]
B−V color index +0.16[4]
Astrometry
Radial velocity (Rv)+3.70[5] km/s
Proper motion (μ) RA: -42.67[1] mas/yr
Dec.: +9.94[1] mas/yr
Parallax (π)24.14 ± 0.16[1] mas
Distance135.1 ± 0.9 ly
(41.4 ± 0.3 pc)
Absolute magnitude (MV)0.33[2]
Details
Mass2.51[3] M☉
Luminosity66[3] L☉
Temperature8,184[6] K
Rotational velocity (v sin i)75[3] km/s
Other designations
FK5 775, GC 28862, HIP 102395, HR 7913, HD 197051, SAO 254862
Database references
SIMBADdata

Beta Pavonis(β Pav) is a star in the constellation Pavo. Its apparent magnitude is 3.42.[2] Located around 41.43 parsecs (135.1 ly) distant,[1] it is a white subgiant of spectral type A5IV,[3] a star that has used up its core hydrogen and has expanded.

References

  1. 1 2 3 4 5 6 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. 1 2 3 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
  3. 1 2 3 4 5 Zorec, J.; Royer, F. (2012). "Rotational velocities of A-type stars". Astronomy & Astrophysics. 537: A120. arXiv:1201.2052Freely accessible. Bibcode:2012A&A...537A.120Z. doi:10.1051/0004-6361/201117691. Vizier catalog entry
  4. 1 2 Mallama, A. (2014). "Sloan Magnitudes for the Brightest Stars". The Journal of the American Association of Variable Star Observers. 42: 443. Bibcode:2014JAVSO..42..443M.Vizier catalog entry
  5. ↑ 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.
  6. ↑ 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
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