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.
| 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 |
| Distance | approx. 1,200 ly (approx. 360 pc) |
| Other designations | |
| Database references | |
| SIMBAD | data |
References
- "RV Caeli". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 30 June 2014.
- VSX (25 August 2009). "RV Cae". AAVSO Website. American Association of Variable Star Observers. Retrieved 30 June 2014.
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