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RV Corvi

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RV Corvi
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Corvus
Right ascension 12h 37m 40.71385s[1]
Declination −19° 34′ 40.0503″[1]
Apparent magnitude (V) 8.6 - 9.16 [2]
Characteristics
Evolutionary stage Beta Lyrae variable
Spectral type F0+G0[3]
Astrometry
Radial velocity (Rv)30.0 ± 2 km/s
Proper motion (μ) RA: -29.94 ± 0.79 mas/yr
Dec.: 11.66 ± 0.54 mas/yr
Parallax (π)4.97 ± 0.81 mas[4]
Distanceapprox. 700 ly
(approx. 200 pc)
Details
Other designations
RV Corvi, HD 109796, HIP 61620, BD−18° 3431
Database references
SIMBADdata

RV Corvi is an eclipsing binary star system in the constellation Corvus, ranging from apparent magnitude 8.6 to 9.16 over 18 hours.[2] The system is composed of stars of spectral types F0 and G0, which orbit each other every 0.7473 days.[3]

References

  1. ^ a b "RV Crv". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 21 July 2015.
  2. ^ a b Watson, Christopher (4 January 2010). "RV Corvi". The International Variable Star Index. American Association of Variable Star Observers. Retrieved 21 July 2015.
  3. ^ a b Malkov, O. Yu.; Oblak, E.; Snegireva, E. A.; Torra, J. (2006). "A catalogue of eclipsing variables". Astronomy and Astrophysics. 446 (2): 785–89. Bibcode:2006A&A...446..785M. doi:10.1051/0004-6361:20053137.
  4. ^ van Leeuwen, F. (2007). "Validation of the New Hipparcos Reduction". Astronomy and Astrophysics. 474 (2): 653–64. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.