  | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Pavo |
| Right ascension | 18h 56m 57.02788s[1] |
| Declination | −67° 14′ 00.5831″[1] |
| Apparent magnitude (V) | 4.35[2] (3.91 - 4.78[3]) |
| Characteristics | |
| Spectral type | F5-G5 I-II[3] |
| B−V color index | +0.63[2] |
| Variable type | W Vir[3] |
| Astrometry | |
| Radial velocity (Rv) | 37.80[4] km/s |
| Proper motion (μ) | RA: −8.46[1] mas/yr Dec.: 16.47[1] mas/yr |
| Parallax (π) | 5.57 ± 0.28 mas[5] |
| Distance | 590 ± 30 ly (180 ± 9 pc) |
| Absolute magnitude (MV) | −1.99[5] |
| Details | |
| Radius | 19 - 25[6] R☉ |
| Luminosity | 565[7] L☉ |
| Temperature | 5,250 - 6,350[6] K |
| Metallicity [Fe/H] | −0.5[7] dex |
| Other designations | |
| Database references | |
| SIMBAD | data |
Kappa Pavonis (κ Pav) is a variable star in the constellation Pavo. It is the brightest W Virginis variable in the sky.
- ^ a b c d Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. S2CID 18759600.
- ^ a b Feast, Michael W.; Laney, Clifton D.; Kinman, Thomas D.; Van Leeuwen, Floor; Whitelock, Patricia A. (2008). "The luminosities and distance scales of type II Cepheid and RR Lyrae variables". Monthly Notices of the Royal Astronomical Society. 386 (4): 2115. arXiv:0803.0466. Bibcode:2008MNRAS.386.2115F. doi:10.1111/j.1365-2966.2008.13181.x. S2CID 14459638.
- ^ a b c Samus, N. N.; Durlevich, O. V.; et al. (2009). "VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)". VizieR On-line Data Catalog: B/GCVS. Originally Published in: 2009yCat....102025S. 1. Bibcode:2009yCat....102025S.
- ^ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. arXiv:1606.08053. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065. S2CID 119231169.
- ^ a b Benedict, G. Fritz; McArthur, Barbara E.; Feast, Michael W.; Barnes, Thomas G.; Harrison, Thomas E.; Bean, Jacob L.; Menzies, John W.; Chaboyer, Brian; Fossati, Luca; Nesvacil, Nicole; Smith, Horace A.; Kolenberg, Katrien; Laney, C. D.; Kochukhov, Oleg; Nelan, Edmund P.; Shulyak, D. V.; Taylor, Denise; Freedman, Wendy L. (2011). "Distance Scale Zero Points from Galactic RR Lyrae Star Parallaxes". The Astronomical Journal. 142 (6): 187. arXiv:1109.5631. Bibcode:2011AJ....142..187B. doi:10.1088/0004-6256/142/6/187. S2CID 16184447.
- ^ a b Breitfelder, J.; Kervella, P.; Mérand, A.; Gallenne, A.; Szabados, L.; Anderson, R. I.; Willson, M.; Le Bouquin, J.-B. (2015). "Observational calibration of the projection factor of Cepheids. I. The type II Cepheid κ Pavonis". Astronomy & Astrophysics. 576: A64. arXiv:1503.05176. Bibcode:2015A&A...576A..64B. doi:10.1051/0004-6361/201425171. S2CID 119191833.
- ^ a b Balog, Z.; Vinko, J.; Kaszas, G. (1997). "Baade-Wesselink Radius Determination of Type II Cepheids". Astronomical Journal. 113: 1833. Bibcode:1997AJ....113.1833B. doi:10.1086/118394.