Gamma Sculptoris

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γ Sculptoris
Sculptor constellation map.svg
Red circle.svg

Location of γ Sculptoris (circled)
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]
Spectral type K1III[3]
U−B color index +1.06[4]
B−V color index +1.13[4]
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]
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
CD-33°16476, FK5 879, GC 32450, GJ 9821, GSC 07510-01089, HIP 115102, HR 8863, HD 219784, SAO 214444
Database references

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]


  1. ^ a b c d e f Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653. arXiv:0708.1752Freely accessible. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.  Vizier catalog entry
  2. ^ a b c d Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. arXiv:1108.4971Freely accessible. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015.  Vizier catalog entry
  3. ^ a b 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. 
  4. ^ a b 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
  5. ^ Wilson, R. E. (1953). General Catalogue of Stellar Radial Velocities. Carnegie Institution for Science. Bibcode:1953GCRV..C......0W. LCCN 54001336. 
  6. ^ a b c d 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. 
  7. ^ 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. arXiv:astro-ph/9911002Freely accessible. Bibcode:1999A&A...352..555A.  Vizier catalog entry
  8. ^ 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:1312.3474Freely accessible. Bibcode:2014A&A...561A.126D. doi:10.1051/0004-6361/201220762.  Vizier catalog entry