Xi Pavonis
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Pavo |
Right ascension | 18h 23m 13.62473s[1] |
Declination | −61° 29′ 38.0773″[1] |
Apparent magnitude (V) | 4.35[2] |
Characteristics | |
Spectral type | K4III[2] |
U−B color index | +1.55[3] |
B−V color index | +1.46[2] |
Astrometry | |
Radial velocity (Rv) | +12.20[4] km/s |
Proper motion (μ) | RA: +3.17[1] mas/yr Dec.: -2.21[1] mas/yr |
Parallax (π) | 6.96 ± 1.03[1] mas |
Distance | approx. 470 ly (approx. 140 pc) |
Absolute magnitude (MV) | -1.16[2] |
Details | |
Luminosity | 650[2] L☉ |
Temperature | 4,200[5] K |
Other designations | |
Database references | |
SIMBAD | data |
Xi Pavonis (ξ Pav) is a class K4III[2] (orange giant) star in the constellation Pavo. Its apparent magnitude is 4.35[2] and it is approximately 470 light years away based on parallax.[1] Xi Pavonis has a distant companion, B, with apparent magnitude 8.6 and about 3.3" separation; in addition, the primary is a spectroscopic binary with a 6.06 year period.[6][7]
References
- 1 2 3 4 5 6 Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
- 1 2 3 4 5 6 7 Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. arXiv:1108.4971. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015. Vizier catalog entry
- ↑ 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
- ↑ Wilson, R. E. (1953). General Catalogue of Stellar Radial Velocities. Carnegie Institution of Washington. Bibcode:1953GCRV..C......0W. LCCN 54001336.
- ↑ McDonald, I.; Zijlstra, A. A.; Boyer, M. L. (2012). "Fundamental parameters and infrared excesses of Hipparcos stars". Monthly Notices of the Royal Astronomical Society. 427: 343. doi:10.1111/j.1365-2966.2012.21873.x. Vizier catalog entry
- ↑ 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
- ↑ Malkov, O. Yu.; Tamazian, V. S.; Docobo, J. A.; Chulkov, D. A. (2012). "Dynamical masses of a selected sample of orbital binaries". Astronomy & Astrophysics. 546: A69. Bibcode:2012A&A...546A..69M. doi:10.1051/0004-6361/201219774. Vizier catalog entry
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