Kappa Chamaeleontis
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Chamaeleon |
| Right ascension | 12h 04m 46.46878s[1] |
| Declination | −76° 31′ 08.6209″[1] |
| Apparent magnitude (V) | 5.024[2] |
| Characteristics | |
| Spectral type | K4III[3] |
| U−B color index | +1.78[4] |
| B−V color index | +1.49[4] |
| Astrometry | |
| Radial velocity (Rv) | -2.19 ± 0.19[3] km/s |
| Proper motion (μ) | RA: -77.86[1] mas/yr Dec.: 46.65[1] mas/yr |
| Parallax (π) | 6.84 ± 0.23 mas[1] |
| Distance | 480 ± 20 ly (146 ± 5 pc) |
| Absolute magnitude (MV) | −0.78[5] |
| Details | |
| Mass | 1.4[6] M☉ |
| Radius | 9.4[6] R☉ |
| Luminosity | 130[6] L☉ |
| Temperature | 4,389+378 −551[7] K |
| Rotational velocity (v sin i) | <1.0[3] km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
Kappa Chamaeleonitis, Latinized from κ Chamaeleonitis, is a star located in the constellation Chamaeleon. Its apparent magnitude is 5.024.[2] It is 480 light-years, or 146 parsecs away, based on the star's parallax.[1]
Kappa Chamaeleontis is an K-type giant star[3] with an effective temperature of about 4,389 K.[7] It is 1.4 times as massive as the Sun, and is 9.4 times as wide.[6]
References
- ^ a b c d e f van Leeuwen, F.; et al. (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.
- ^ a b Høg, E.; et al. (2000). "The Tycho-2 catalogue of the 2.5 million brightest stars". Astronomy and Astrophysics. 355: L27–L30. Bibcode:2000A&A...355L..27H.
- ^ a b c d de Medeiros, J. R.; Alves, S.; Udry, S.; Andersen, J.; Nordström, B.; Mayor, M. (2014). "A catalog of rotational and radial velocities for evolved stars". Astronomy & Astrophysics. 561: A126. arXiv:1312.3474. Bibcode:2014A&A...561A.126D. doi:10.1051/0004-6361/201220762.
- ^ a b Johnson, H. L. (1966). "UBVRIJKL Photometry of the Bright Stars". Communications of the Lunar and Planetary Laboratory. 4: 99. Bibcode:1966CoLPL...4...99J.
- ^ 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.
- ^ a b c d Chandler, Colin Orion; McDonald, Iain; Kane, Stephen R. (2016). "The Catalog of Earth-Like Exoplanet Survey Targets (CELESTA): A Database of Habitable Zones Around Nearby Stars". The Astronomical Journal. 151 (3): 59. arXiv:1510.05666. Bibcode:2016AJ....151...59C. doi:10.3847/0004-6256/151/3/59.
{{cite journal}}: CS1 maint: unflagged free DOI (link) - ^ a b Ammons, S. Mark; Robinson, Sarah E.; Strader, Jay; Laughlin, Gregory; Fischer, Debra; Wolf, Aaron (2006). "The N2K Consortium. IV. New Temperatures and Metallicities for More than 100,000 FGK Dwarfs". The Astrophysical Journal. 638 (2): 1004. arXiv:astro-ph/0510237. Bibcode:2006ApJ...638.1004A. doi:10.1086/498490.
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