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Binary star system in the constellation Carina
HD 73390 , also called e1 Carinae , is a binary star [ 2] constellation Carina . It is approximately 870 light years from Earth . The primary is a blue-white B-type main sequence dwarf with an apparent magnitude of +5.27. It displays an infrared excess and is a candidate host of an orbiting debris disk .[ 10] Sun .
^ a b c d e 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 Eggleton, P. P.; Tokovinin, A. A. (September 2008), "A catalogue of multiplicity among bright stellar systems", Monthly Notices of the Royal Astronomical Society 389 (2): 869–879, arXiv :0806.2878 Bibcode :2008MNRAS.389..869E , doi :10.1111/j.1365-2966.2008.13596.x S2CID 14878976 . ^ Houk, Nancy (1978), Michigan catalogue of two-dimensional spectral types for the HD stars , vol. 1, Ann Arbor: Dept. of Astronomy, University of Michigan, Bibcode :1975mcts.book.....H . ^ a b c d 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 Tetzlaff, N.; et al. (January 2011), "A catalogue of young runaway Hipparcos stars within 3 kpc from the Sun", Monthly Notices of the Royal Astronomical Society , 410 (1): 190–200, arXiv :1007.4883 Bibcode :2011MNRAS.410..190T , doi :10.1111/j.1365-2966.2010.17434.x S2CID 118629873 ^ Pasinetti Fracassini, L. E.; et al. (2001), "Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS)", Astronomy & Astrophysics , 367 (2) (Third ed.): 521–24, arXiv :astro-ph/0012289 Bibcode :2001A&A...367..521P , doi :10.1051/0004-6361:20000451 , S2CID 425754 . ^ a b c d e Gullikson, Kevin; Kraus, Adam; Dodson-Robinson, Sarah (2016), "The Close Companion Mass-ratio Distribution of Intermediate-mass Stars", The Astronomical Journal , 152 (2): 40, arXiv :1604.06456 Bibcode :2016AJ....152...40G , doi :10.3847/0004-6256/152/2/40 S2CID 119179065 . ^ a b Paunzen, E.; et al. (2005), "An empirical temperature calibration for the Δa photometric system . I. The B-type stars", Astronomy and Astrophysics , 444 (3): 941–946, arXiv :astro-ph/0509049 Bibcode :2005A&A...444..941P , doi :10.1051/0004-6361:20053546 , S2CID 119436374 . ^ "HD 73390" . SIMBAD Centre de données astronomiques de Strasbourg . Retrieved 2020-01-08 .^ Mannings, Vincent; Barlow, Michael J. (April 1998), "Candidate Main-Sequence Stars with Debris Disks: A New Sample of Vega-like Sources", The Astrophysical Journal , 497 (1): 330–341, Bibcode :1998ApJ...497..330M , doi :10.1086/305432
