RV Caeli

RV Caeli
Observation data Epoch J2000 Equinox J2000
Constellation	Caelum
Right ascension	04^h 28^m 09.4637^s^[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 (R_v)	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
Distance	approx. 1,200 ly (approx. 360 pc)

Other designations
CD-42°1510, HD 28552, HIP 20856, SAO 216821.
Database references
SIMBAD	data
Data sources:
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.)

RV Caeli is a semiregular variable 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.

References

1 2 3 4 5 6 7 8 9 "RV Caeli". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 30 June 2014.
1 2 VSX (25 August 2009). "RV Cae". AAVSO Website. American Association of Variable Star Observers. Retrieved 30 June 2014.

NGC	1558 1567 1570 1572 1585 1595 1598 1616 1658 1660 1668 1679 1687 1701 1759
Other	HE0450-2958 PKS 0426-380 PKS 0438-43 QSO B0420-388 QSO B0453-423

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