Iota Sculptoris

ι Sculptoris


Location of ι Sculptoris (circled, masked by green line)

Observation data
Epoch J2000      Equinox J2000
Constellation Sculptor
Right ascension 00h 21m 31.19832s[1]
Declination −28° 58′ 53.2929″[1]
Apparent magnitude (V) 5.18[2]
Characteristics
Spectral type K0III[3]
U−B color index +0.84[4]
B−V color index +1.00[5]
Astrometry
Radial velocity (Rv)+20.60[6] km/s
Proper motion (μ) RA: +32.76[1] mas/yr
Dec.: -72.01[1] mas/yr
Parallax (π)9.87 ± 0.41[1] mas
Distance330 ± 10 ly
(101 ± 4 pc)
Absolute magnitude (MV)0.16[2]
Details
Mass2.94[7] M☉
Radius12.28[7] R☉
Luminosity97[7] L☉
Surface gravity (log g)2.48[8] cgs
Temperature5,020[7] K
Metallicity [Fe/H]+0.09[2] dex
Rotational velocity (v sin i)3.1[9] km/s
Other designations
CD-29°86, GC 433, GSC 06419-01055, HIP 1708, HR 84, HD 1737, SAO 166207
Database references
SIMBADdata

Iota Sculptoris (ι Scl) is a class K0III[3] (orange giant) star in the constellation Sculptor. Its apparent magnitude is 5.18[2] and it is approximately 330 light years away from Earth based on parallax.[1]

References

  1. 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 Freely accessible. doi:10.1051/0004-6361:20078357. Vizier catalog entry
  2. 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 Freely accessible. doi:10.1134/S1063773712050015. Vizier catalog entry
  3. 1 2 Houk, N. (1982). "Michigan Catalogue of Two-dimensional Spectral Types for the HD stars. Volume_3. Declinations -40_ƒ0 to -26_ƒ0". Michigan Catalogue of Two-dimensional Spectral Types for the HD stars. Volume_3. Declinations -40_ƒ0 to -26_ƒ0. Bibcode:1982MSS...C03....0H.
  4. ↑ Mermilliod, J. C. (2006). "VizieR Online Data Catalog: Homogeneous Means in the UBV System (Mermilliod 1991)". VizieR On-line Data Catalog: II/168. Originally published in: Institut d'Astronomie. 2168. Bibcode:2006yCat.2168....0M.Vizier catalog entry
  5. ↑ 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
  6. ↑ Wilson, R. E. (1953). General Catalogue of Stellar Radial Velocities. Carnegie Institution for Science. Bibcode:1953GCRV..C......0W. LCCN 54001336.
  7. 1 2 3 4 Jones, M. I.; Jenkins, J. S.; Rojo, P.; Melo, C. H. F. (2011). "Study of the impact of the post-MS evolution of the host star on the orbits of close-in planets". Astronomy & Astrophysics. 536: A71. Bibcode:2011A&A...536A..71J. arXiv:1110.6459 Freely accessible. doi:10.1051/0004-6361/201117887. Vizier catalog entry
  8. ↑ 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 Freely accessible. Vizier catalog entry
  9. ↑ 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 Freely accessible. doi:10.1051/0004-6361/201220762. Vizier catalog entry
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