R Leonis Minoris

R Leonis Minoris

The visual band light curve of R Leonis Minoris, from AAVSO data
Observation data
Epoch J2000      Equinox J2000
Constellation Leo Minor
Right ascension 09h 45m 34.28405s
Declination +34° 30 42.8091
Apparent magnitude (V) 6.3  13.2
Characteristics
Spectral type M6.5e to M9.0e (Tc:)
U−B color index +0.55
B−V color index +1.32
Variable type Mira
Astrometry
Radial velocity (Rv)−10.00±4.6 km/s
Proper motion (μ) RA: +1.657 mas/yr
Dec.: −1.734 mas/yr
Parallax (π)3.496±0.142 mas
Distance930 ± 40 ly
(290 ± 10 pc)
Details
Radius348  411 R
Luminosity5,288+348
−327
 L
Surface gravity (log g)−0.65 to −0.61 cgs
Temperature2,730 K
Other designations
R LMi, HD 84346, HIP 47886, SAO 61669, BD+35° 2050
Database references
SIMBADdata

R Leonis Minoris (R LMi) is a Mira variable type star in the constellation Leo Minor. It ranges between apparent magnitude 6.3 and 13.2, and spectral types M6.5e to M9.0e (Tc:), over a period of 372 days.