Giant star in the constellation Carina
HD 91496 (HR 4142 ) is a giant star in the constellation Carina , with an apparent magnitude is 4.92 and an MK spectral class of K4/5 III. It has been suspected of varying in brightness, but this has not been confirmed.
HD 91496 has a faint companion, six magnitudes fainter and ″ [ 10] [ 11]
References
^ a b c d e f g h i 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 .^ Høg, E.; Fabricius, C.; Makarov, V. V.; Urban, S.; Corbin, T.; Wycoff, G.; Bastian, U.; Schwekendiek, P.; Wicenec, A. (2000). "The Tycho-2 catalogue of the 2.5 million brightest stars". Astronomy and Astrophysics . 355 : L27. Bibcode :2000A&A...355L..27H . ^ Houk, N.; Cowley, A. P. (1975). University of Michigan Catalogue of two-dimensional spectral types for the HD stars. Volume I. Declinations -90_ to -53_ƒ0 . Bibcode :1975mcts.book.....H . ^ Samus, N. N.; Durlevich, O. V.; et al. (2009). "VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)". VizieR On-line Data Catalog: B/GCVS. Originally Published in: 2009yCat....102025S . 1 : B/gcvs. Bibcode :2009yCat....102025S . ^ 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 . ^ Kervella, Pierre; Arenou, Frédéric; Mignard, François; Thévenin, Frédéric (2019). "Stellar and substellar companions of nearby stars from Gaia DR2. Binarity from proper motion anomaly". Astronomy and Astrophysics . 623 : A72. arXiv :1811.08902 Bibcode :2019A&A...623A..72K . doi :10.1051/0004-6361/201834371 . S2CID 119491061 . ^ Kunder, Andrea; Kordopatis, Georges; Steinmetz, Matthias; Zwitter, Tomaž; McMillan, Paul J.; Casagrande, Luca; Enke, Harry; Wojno, Jennifer; Valentini, Marica; Chiappini, Cristina; Matijevič, Gal; Siviero, Alessandro; De Laverny, Patrick; Recio-Blanco, Alejandra; Bijaoui, Albert; Wyse, Rosemary F. G.; Binney, James; Grebel, E. K.; Helmi, Amina; Jofre, Paula; Antoja, Teresa; Gilmore, Gerard; Siebert, Arnaud; Famaey, Benoit; Bienaymé, Olivier; Gibson, Brad K.; Freeman, Kenneth C.; Navarro, Julio F.; Munari, Ulisse; et al. (2017). "The Radial Velocity Experiment (RAVE): Fifth Data Release" . The Astronomical Journal . 153 (2): 75. arXiv :1609.03210 Bibcode :2017AJ....153...75K . doi :10.3847/1538-3881/153/2/75 S2CID 118835808 . ^ 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. V. Southern stars". Astronomy and Astrophysics . 561 : A126. arXiv :1312.3474 Bibcode :2014A&A...561A.126D . doi :10.1051/0004-6361/201220762 . S2CID 54046583 . ^ "HR 4142" . SIMBAD Centre de données astronomiques de Strasbourg . Retrieved 31 August 2012 .^ Sinachopoulos, D.; Gavras, P.; Dionatos, O.; Ducourant, Ch.; Medupe, Th. (2007). "CCD astrometry and components instrumental magnitude difference of 432 Hipparcos wide visual double stars" . Astronomy and Astrophysics . 472 (3): 1055. Bibcode :2007A&A...472.1055S . doi :10.1051/0004-6361:20066290 hdl :11427/35072 ^ 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 .
