R Corvi

R Crv
	; The visual band light curve of R Corvi, from AAVSO data
Observation data; Epoch J2000 Equinox J2000
Constellation	Corvus
Right ascension	12h 19m 37.8727s
Declination	−19° 15′ 21.877″
Apparent magnitude (V)	6.70
Characteristics
Spectral type	M4.5-9:e
B−V color index	3.70
Variable type	Mira
Astrometry
Radial velocity (Rv)	-22.00 km/s
Proper motion (μ)	RA: -1.20 mas/yr ; Dec.: -10.03 mas/yr
Distance	810 pc
Other designations
	BD-18° 3367, HD 107199, HIP 60106, SAO 157211.
Database references
SIMBAD	data

R Corvi (R Crv) is a Mira variable star in the constellation Corvus, which ranges from a magnitude of 6.7 to 14.4 with a period of approximately 317 days.^[3] In the sky it appears close to Gamma Corvi and can be seen in the same binocular field.^[4] Extrapolating its luminosity from its period of 317 days yields a distance of 810 parsecs.^[5]

References

[3]

[4]

[5]

[1]

[2]

Observation data Epoch J2000 Equinox J2000
The visual band light curve of R Corvi, from AAVSO data^[1]
Constellation	Corvus
Right ascension	12^h 19^m 37.8727^s^[2]
Declination	−19° 15′ 21.877″^[2]
Apparent magnitude (V)	6.70^[2]
Characteristics
Spectral type	M4.5-9:e^[2]
B−V color index	3.70^[2]
Variable type	Mira^[3]
Astrometry

Radial velocity (R_v)	-22.00^[2] km/s
Proper motion (μ)	RA: -1.20^[2] mas/yr Dec.: -10.03^[2] mas/yr
Distance	810 pc

Other designations
BD-18° 3367, HD 107199, HIP 60106, SAO 157211.
Database references
SIMBAD	data