Ross 695

Ross 695
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Corvus
Right ascension 12h 24m 52.50278 s[1]
Declination −18° 14′ 32.2435″[1]
Apparent magnitude (V) 11.272
Characteristics
Spectral type M2.5
Astrometry
Proper motion (μ) RA: 1095.66 ± 2.14[1] mas/yr
Dec.: -2308.56 ± 1.38[1] mas/yr
Parallax (π)112.98 ± 2.51[1] mas
Distance28.9 ± 0.6 ly
(8.9 ± 0.2 pc)
Details
Mass0.23[2] M☉
Radius0.24[2] R☉
Luminosity0.007[2] L☉
Temperature3403 ± 69[2] K
Metallicity [Fe/H]−0.33 ± 0.09[2] dex
Other designations
LHS 45, Ross 695, Gliese 465, HIP 60559
Database references
SIMBADdata

Ross 695, also known as Gliese 465, is a red dwarf star in the constellation Corvus. At apparent magnitude 11.27, it is much too faint to be seen with the unaided eye. A small star, it has around 23% the mass and radius of the Sun, but only 0.7% its luminosity.[2] Investigation of its radial velocity failed to find any evidence of a planetary companion.[3]

References

  1. 1 2 3 4 5 van Leeuwen, F. (November 2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. Bibcode:2007A&A...474..653V. arXiv:0708.1752 Freely accessible. doi:10.1051/0004-6361:20078357.
  2. 1 2 3 4 5 6 Maldonado, J.; Affer, L.; Micela, G.; Scandariato, G.; Damasso, M.; Stelzer, B.; Barbieri, M.; Bedin, L. R.; Biazzo, K.; Bignamini, A.; Borsa, F.; Claudi, R. U.; Covino, E.; Desidera, S.; Esposito, M.; Gratton, R.; González Hernández, J. I.; Lanza, A. F.; Maggio, A.; Molinari, E.; Pagano, I.; Perger, M.; Pillitteri, I.; Piotto, G.; Poretti, E.; Prisinzano, L.; Rebolo, R.; Ribas, I.; Shkolnik, E.; Southworth, J.; Sozzetti, A.; Suárez Mascareño, A. (2015). "Stellar parameters of early-M dwarfs from ratios of spectral features at optical wavelengths". Astronomy & Astrophysics. 577: 13. Bibcode:2015A&A...577A.132M. arXiv:1503.03010 Freely accessible. doi:10.1051/0004-6361/201525797. A132.
  3. ↑ Bonfils, X.; Delfosse, X.; Udry, S.; Forveille, T.; Mayor, M.; Perrier, C.; Bouchy, F.; Gillon, M.; Lovis, C.; Pepe, F.; Queloz, D.; Santos, N. C.; Segransan, D.; Bertaux, J.-L. (2011). "The HARPS search for southern extra-solar planets XXXI. The M-dwarf sample". Astronomy and Astrophysics: A109. Bibcode:2013A&A...549A.109B. arXiv:1111.5019 Freely accessible. doi:10.1051/0004-6361/201014704.


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.