RV Caeli

RV Caeli is a red giant star in the constellation Caelum. Located approximately 365 parsecs (1,190 ly) distant, Hipparcos has found it to vary between its photometric values of 6.44 and 6.56,[2] which roughly corresponds with the magnitude as seen with the naked eye.

RV Caeli
Observation data
Epoch J2000      Equinox J2000
Constellation Caelum
Right ascension 04h 28m 09.4637s[1]
Declination −41° 57 35.396[1]
Apparent magnitude (V) 6.425[1]
Characteristics
Spectral type M1III[1]
B−V color index 1.617[1]
Variable type semiregular[2]
Astrometry
Radial velocity (Rv)97.90[1] km/s
Proper motion (μ) RA: -14.75[1] mas/yr
Dec.: 2.87[1] mas/yr
Parallax (π)2.74 ± 0.35[1] absmag_v=1.39 mas
Distanceapprox. 1,200 ly
(approx. 360 pc)
Other designations
CD-42°1510, HD 28552, HIP 20856, SAO 216821.
Database references
SIMBADdata

References

  1. "RV Caeli". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 30 June 2014.
  2. VSX (25 August 2009). "RV Cae". AAVSO Website. American Association of Variable Star Observers. Retrieved 30 June 2014.


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