玉夫座ι

玉夫座ι，拉丁化為Iota Sculptoris，縮寫為ι Scl，是在南天星座玉夫座的一顆孤獨的恆星。它是一個昏暗的橙色光點，視星等為5.18，肉眼可見。根據視差，這顆恒星距離太陽約336光年，並且正以+21公里/秒的徑向速度遠離中。 這是一顆衰老的巨星，其恒星分類為K0III，現時位於赫羅圖的紅巨星分支。它的質量是太陽質量的2.9倍，並且已經膨脹到太陽半徑的12倍。這顆恆星在5020 K的有效溫度下，從其擴大的光球層輻射出97倍於太陽的光度。這顆恆星的座標位置是 X射線發射的來源，因此最有可能（99.4%的幾率）是X射線的發射源。 Brown, A. G. A.; Vallenari, A.; Prusti, T.; de Bruijne, J. H. J.; et al. Gaia Data Release 2. Summary of the contents and survey properties. Astronomy & Astrophysics. 2018. Bibcode:2018A&A...616A...1G. arXiv:1804.09365 . doi:10.1051/0004-6361/201833051.  VizieR中此天体在盖亚望远镜第二批数据发布的记录 Anderson, E.; Francis, Ch. XHIP: An extended hipparcos compilation. Astronomy Letters. 2012, 38 (5): 331. Bibcode:2012AstL...38..331A. S2CID 119257644. arXiv:1108.4971 . doi:10.1134/S1063773712050015.  Vizier catalog entry （页面存档备份，存于互联网档案馆） Houk, N. 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. 1982. Bibcode:1982mcts.book.....H.  Mermilliod, J. C. 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. 2006, 2168. Bibcode:2006yCat.2168....0M. Vizier catalog entry （页面存档备份，存于互联网档案馆） Mallama, A. Sloan Magnitudes for the Brightest Stars. The Journal of the American Association of Variable Star Observers. 2014, 42 (2): 443. Bibcode:2014JAVSO..42..443M. Vizier catalog entry Wilson, R. E. General Catalogue of Stellar Radial Velocities. Carnegie Institute Washington D.C. Publication (Carnegie Institution for Science). 1953. Bibcode:1953GCRV..C......0W. LCCN 54001336.  Jones, M. I.; Jenkins, J. S.; Rojo, P.; Melo, C. H. F. Study of the impact of the post-MS evolution of the host star on the orbits of close-in planets. Astronomy & Astrophysics. 2011, 536: A71. Bibcode:2011A&A...536A..71J. S2CID 55769003. arXiv:1110.6459 . doi:10.1051/0004-6361/201117887.  Vizier catalog entry Allende Prieto, C.; Lambert, D. L. Fundamental parameters of nearby stars from the comparison with evolutionary calculations: Masses, radii and effective temperatures. Astronomy and Astrophysics. 1999, 352: 555–562. Bibcode:1999A&A...352..555A. arXiv:astro-ph/9911002 .  Vizier catalog entry （页面存档备份，存于互联网档案馆） De Medeiros, J. R.; Alves, S.; Udry, S.; Andersen, J.; Nordström, B.; Mayor, M. A catalog of rotational and radial velocities for evolved stars. Astronomy & Astrophysics. 2014, 561: A126. Bibcode:2014A&A...561A.126D. S2CID 54046583. arXiv:1312.3474 . doi:10.1051/0004-6361/201220762.  Vizier catalog entry （页面存档备份，存于互联网档案馆） iot Scl. SIMBAD. 斯特拉斯堡天文資料中心.  Eggleton, P. P.; Tokovinin, A. A. A catalogue of multiplicity among bright stellar systems. Monthly Notices of the Royal Astronomical Society. September 2008, 389 (2): 869–879. Bibcode:2008MNRAS.389..869E. S2CID 14878976. arXiv:0806.2878 . doi:10.1111/j.1365-2966.2008.13596.x .  Haakonsen, Christian Bernt; Rutledge, Robert E. XID II: Statistical Cross-Association of ROSAT Bright Source Catalog X-ray Sources with 2MASS Point Source Catalog Near-Infrared Sources. The Astrophysical Journal Supplement. September 2009, 184 (1): 138–151. Bibcode:2009ApJS..184..138H. S2CID 119267456. arXiv:0910.3229 . doi:10.1088/0067-0049/184/1/138.