Zeta Pavonis

ζ Pavonis


Location of ζ Pavonis (circled)

Observation data
Epoch J2000      Equinox J2000
Constellation Pavo
Right ascension 18h 43m 02.13528s[1]
Declination −71° 25′ 41.2065″[1]
Apparent magnitude (V) 4.01[2]
Characteristics
Spectral type K0III[2]
U−B color index +1.02[3]
B−V color index +1.13[2]
Astrometry
Radial velocity (Rv)-16.30[4] km/s
Proper motion (μ) RA: +0.81[1] mas/yr
Dec.: -158.15[1] mas/yr
Parallax (π)14.93 ± 0.18[1] mas
Distance218 ± 3 ly
(67.0 ± 0.8 pc)
Absolute magnitude (MV)-0.12[2]
Details
Luminosity155[2] L☉
Rotational velocity (v sin i)10.0[5] km/s
Other designations
CCDM J18430-7125A, FK5 698, GC 25522, HIP 91792, HR 6982, HD 171759, SAO 257620, WDS J18430-7126A
Database references
SIMBADdata

Zeta Pavonis (ζ Pav) is a class K0III[2] (orange giant) star in the constellation Pavo. Its apparent magnitude is 4.01[2] and it is approximately 218 light years away based on parallax.[1] Zeta Pavonis has a companion, probably optical, of apparent magnitude 12.0 at about 55.6" separation.[6][7]

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 4 5 6 7 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. ↑ Mermilliod, J. C. (2006). "VizieR Online Data Catalog: Homogeneous Means in the UBV System (Mermilliod 1991)". VizieR On-line Data Catalog: II/168. Originally published in: Institut d'Astronomie. 2168. Bibcode:2006yCat.2168....0M.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. ↑ 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
  6. ↑ Dommanget, J.; Nys, O. (2002). "VizieR Online Data Catalog: CCDM (Catalog of Components of Double & Multiple stars) (Dommanget+ 2002)". VizieR On-line Data Catalog: I/274. Originally published in: Observations et Travaux 54. 1274. Bibcode:2002yCat.1274....0D. Vizier catalog entry
  7. ↑ Mason, Brian D.; Wycoff, Gary L.; Hartkopf, William I.; Douglass, Geoffrey G.; Worley, Charles E. (2001). "The 2001 US Naval Observatory Double Star CD-ROM. I. The Washington Double Star Catalog". The Astronomical Journal. 122 (6): 3466. Bibcode:2001AJ....122.3466M. doi:10.1086/323920. Vizier catalog entry
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