A | B | C | D | E | F | G | H | CH | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Carina |
Right ascension | 11h 06m 32.42668s[1] |
Declination | −62° 25′ 26.8119″[1] |
Apparent magnitude (V) | +4.62[2] |
Characteristics | |
Spectral type | G7.5III[3] |
B−V color index | 0.988±0.065[2] |
Astrometry | |
Radial velocity (Rv) | −1.07±0.17[1] km/s |
Proper motion (μ) | RA: −36.93±0.16[4] mas/yr Dec.: +9.46±0.14[4] mas/yr |
Parallax (π) | 8.6750 ± 0.1387 mas[1] |
Distance | 376 ± 6 ly (115 ± 2 pc) |
Absolute magnitude (MV) | −0.81[2] |
Details | |
Mass | 3.6[5] M☉ |
Radius | 20.21+0.36 −0.39[1] R☉ |
Luminosity | 214.4±4.0[1] L☉ |
Surface gravity (log g) | 2.59±0.17[6] cgs |
Temperature | 4,913+49 −43[1] K |
Metallicity | 0.05±0.05[6] dex |
Other designations | |
Database references | |
SIMBAD | data |
HD 96566 is a single[8] star in the southern constellation of Carina. It has the Bayer designation z1 Carinae; HD 96566 is the identifier from the Henry Draper Catalogue. This object has a yellow hue and is visible to the naked eye with an apparent visual magnitude of +4.62.[2] The star is located at a distance of approximately 376 light years from the Sun based on parallax, but is drifting closer with a radial velocity of −1 km/s.[1] It has an absolute magnitude of −0.81.[2]
This is an aging G-type giant star with a stellar classification of G7.5III,[3] which indicates it has exhausted the supply of hydrogen at its core then cooled and expanded off the main sequence. It has an estimated 3.6[5] times the mass of the Sun and has grown to 20[1] times the Sun's radius. The metallicity, or abundance of elements other than hydrogen and helium, is about the same as in the Sun.[6] It is radiating about 214[1] times the Sun's luminosity from its photosphere at an effective temperature of 4,913 K.[1]
References
- ^ a b c d e f g h i j k Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
- ^ a b c d e 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, S2CID 119257644.
- ^ a b Keenan, Philip C.; McNeil, Raymond C. (1989). "The Perkins catalog of revised MK types for the cooler stars". Astrophysical Journal Supplement Series. 71: 245. Bibcode:1989ApJS...71..245K. doi:10.1086/191373.
- ^ a b 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 Gondoin, P. (December 1999), "Evolution of X-ray activity and rotation on G-K giants", Astronomy and Astrophysics, 352: 217–227, Bibcode:1999A&A...352..217G.
- ^ a b c Alves, S.; et al. (April 2015), "Determination of the spectroscopic stellar parameters for 257 field giant stars", Monthly Notices of the Royal Astronomical Society, 448 (3): 2749–2765, arXiv:1503.02556, Bibcode:2015MNRAS.448.2749A, doi:10.1093/mnras/stv189.
- ^ "HD 96566". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2018-07-11.
- ^ Eggleton, P. P.; Tokovinin, A. A. (2008), "A catalogue of multiplicity among bright stellar systems", Monthly Notices of the Royal Astronomical Society, 389 (2): 869, arXiv:0806.2878, Bibcode:2008MNRAS.389..869E, doi:10.1111/j.1365-2966.2008.13596.x, S2CID 14878976.
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