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Ross 695, also known as Gliese 465, is a red dwarf star in the southern constellation of Corvus. The distance to this star, based on parallax measurements by the Gaia spacecraft, is 28.947 light-years (8.875 parsecs).[2] It is the nearest star in this constellation.[1] Despite its closeness, this star is intrinsically faint and, at apparent magnitude 11.27, is too faint to be seen with the unaided eye.

This star has a spectral type of M2.0V; with around 26.2% the mass and 27.1% the radius of the Sun, but only 0.98% its luminosity. The effective temperature of the star is 3490 K,[4] giving it a reddish hue.[6] Its iron-to-hydrogen ratio appears to be lower than that of the Sun.[4]

Investigation of its radial velocity has failed to find any evidence of a planetary companion.[7]

References

  1. ^ a b Kirkpatrick, J. Davy; Marocco, Federico; et al. (April 2024). “The Initial Mass Function Based on the Full-sky 20 pc Census of ~3600 Stars and Brown Dwarfs”. The Astrophysical Journal Supplement Series. 271 (2): 55. arXiv:2312.03639. Bibcode:2024ApJS..271…55K. doi:10.3847/1538-4365/ad24e2.
  2. ^ a b c d e f Vallenari, A.; et al. (Gaia collaboration) (2023). “Gaia Data Release 3. Summary of the content and survey properties”. Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A…674A…1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
  3. ^ a b c Koen, C.; Kilkenny, D.; et al. (April 2010). “UBV(RI)C JHK observations of Hipparcos-selected nearby stars”. Monthly Notices of the Royal Astronomical Society. 403 (4): 1949–1968. Bibcode:2010MNRAS.403.1949K. doi:10.1111/j.1365-2966.2009.16182.x.
  4. ^ a b c d e Schweitzer, A.; Passegger, V. M.; et al. (May 2019). “The CARMENES search for exoplanets around M dwarfs. Different roads to radii and masses of the target stars”. Astronomy & Astrophysics. 625: A68. arXiv:1904.03231. Bibcode:2019A&A…625A..68S. doi:10.1051/0004-6361/201834965.
  5. ^ “Ross 695”. SIMBAD. Centre de données astronomiques de Strasbourg.
  6. ^ “The Colour of Stars”. Australia Telescope, Outreach and Education. Commonwealth Scientific and Industrial Research Organisation. December 21, 2004. Archived from the original on 2013-12-03. Retrieved 2012-01-16.
  7. ^ Bonfils, Xavier; Delfosse, Xavier; Udry, Stéphane; Forveille, Thierry; Mayor, Michel; Perrier, Christian; Bouchy, François; Gillon, Michaël; Lovis, Christophe; Pepe, Francesco; Queloz, Didier; Santos, Nuno C.; Ségransan, Damien; Bertaux, Jean-Loup (2011). “The HARPS search for southern extra-solar planets XXXI. The M-dwarf sample”. Astronomy and Astrophysics. 549: A109. arXiv:1111.5019. Bibcode:2013A&A…549A.109B. doi:10.1051/0004-6361/201014704. S2CID 119288366.