Star in the constellation Cancer
Rho Cancri (ρ Cancri) is a solitary, yellow-hued star in the constellation Cancer . With an apparent visual magnitude of 5.22, it is visible to the naked eye on a dark night. Based upon an annual parallax shift of 6.70 mas as seen from Earth, this star is located around 490 light-years from the Sun . At that distance, the visual magnitude is diminished by an extinction factor of 0.06 due to interstellar dust .
At the age of about 234 million years, is an evolved , G-type giant star with a stellar classification of G8 III. It has an estimated 3.6 times the mass of the Sun and has expanded to 24 times the Sun's radius . It is radiating 310 times the Sun's luminosity from its photosphere at an effective temperature of 4,994 K .
See also
References
^ van Leeuwen, F. (2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics , 474 (2): 653–664, arXiv :0708.1752 , Bibcode :2007A&A...474..653V , doi :10.1051/0004-6361:20078357 , S2CID 18759600 .
^ Fernie, J. D. (May 1983), "New UBVRI photometry for 900 supergiants", Astrophysical Journal Supplement Series , 52 : 7–22, Bibcode :1983ApJS...52....7F , doi :10.1086/190856 .
^ Henry, Gregory W.; et al. (September 2000), "Photometric Variability in a Sample of 187 G and K Giants", The Astrophysical Journal Supplement Series , 130 (1): 201–225, Bibcode :2000ApJS..130..201H , CiteSeerX 10.1.1.40.8526 , doi :10.1086/317346 , S2CID 17160805
^ 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 .
de Bruijne, J. H. J.; Eilers, A.-C. (October 2012), "Radial velocities for the HIPPARCOS-Gaia Hundred-Thousand-Proper-Motion project", Astronomy & Astrophysics , 546 : 14, arXiv :1208.3048 , Bibcode :2012A&A...546A..61D , doi :10.1051/0004-6361/201219219 , S2CID 59451347 , A61.
^ Takeda, Yoichi; et al. (August 2008), "Stellar Parameters and Elemental Abundances of Late-G Giants", Publications of the Astronomical Society of Japan , 60 (4): 781–802, arXiv :0805.2434 , Bibcode :2008PASJ...60..781T , doi :10.1093/pasj/60.4.781 .
^ Luck, R. Earle (2014), "Parameters and Abundances in Luminous Stars", The Astronomical Journal , 147 (6): 137, Bibcode :2014AJ....147..137L , doi :10.1088/0004-6256/147/6/137 .
"rho02 Cnc" . SIMBAD Centre de données astronomiques de Strasbourg . Retrieved 2017-06-13.
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