Gamma Sculptoris
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Sculptor |
Right ascension | 23h 18m 49.44076s[1] |
Declination | −32° 31′ 55.2890″[1] |
Apparent magnitude (V) | 4.41[2] |
Characteristics | |
Spectral type | K1III[3] |
U−B color index | +1.06[4] |
B−V color index | +1.13[4] |
Astrometry | |
Radial velocity (Rv) | +15.60[5] km/s |
Proper motion (μ) | RA: +20.13[1] mas/yr Dec.: -77.72[1] mas/yr |
Parallax (π) | 17.90 ± 0.19[1] mas |
Distance | 182 ± 2 ly (55.9 ± 0.6 pc) |
Absolute magnitude (MV) | 0.67[2] |
Details | |
Mass | 1.60[6] M☉ |
Radius | 12[7] R☉ |
Luminosity | 72.41[2] L☉ |
Surface gravity (log g) | 2.45[6] cgs |
Temperature | 4,552[6] K |
Metallicity [Fe/H] | -0.06[6] dex |
Rotational velocity (v sin i) | 1.7[8] km/s |
Other designations | |
Database references | |
SIMBAD | data |
Gamma Sculptoris (γ Scl, γ Sculptoris) is a class K1III[3] (orange giant) star in the constellation Sculptor. Its apparent magnitude is 4.41[2] and it is approximately 182.2 light years away from Earth based on parallax.[1]
References
- 1 2 3 4 5 6 Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653. Bibcode:2007A&A...474..653V. arXiv:0708.1752 . doi:10.1051/0004-6361:20078357. Vizier catalog entry
- 1 2 3 4 Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. Bibcode:2012AstL...38..331A. arXiv:1108.4971 . doi:10.1134/S1063773712050015. Vizier catalog entry
- 1 2 Hoffleit, D.; Warren, W. H. (1995). "VizieR Online Data Catalog: Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991)". VizieR On-line Data Catalog: V/50. Originally published in: 1964BS....C......0H. 5050. Bibcode:1995yCat.5050....0H.
- 1 2 Mallama, A. (2014). "Sloan Magnitudes for the Brightest Stars". The Journal of the American Association of Variable Star Observers. 42: 443. Bibcode:2014JAVSO..42..443M.Vizier catalog entry
- ↑ Wilson, R. E. (1953). General Catalogue of Stellar Radial Velocities. Carnegie Institution for Science. Bibcode:1953GCRV..C......0W. LCCN 54001336.
- 1 2 3 4 Liu, Y. J.; Zhao, G.; Shi, J. R.; Pietrzynski, G.; Gieren, W. (2007). "The abundances of nearby red clump giants". Monthly Notices of the Royal Astronomical Society. 382 (2): 553. Bibcode:2007MNRAS.382..553L. doi:10.1111/j.1365-2966.2007.11852.x.
- ↑ Allende Prieto, C.; Lambert, D. L. (1999). "Fundamental parameters of nearby stars from the comparison with evolutionary calculations: Masses, radii and effective temperatures". Astronomy and Astrophysics. 352: 555. Bibcode:1999A&A...352..555A. arXiv:astro-ph/9911002 . Vizier catalog entry
- ↑ 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. Bibcode:2014A&A...561A.126D. arXiv:1312.3474 . doi:10.1051/0004-6361/201220762. Vizier catalog entry
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