R Leonis Minoris

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.^[7]

ConstellationLeo Minor

Right ascension09^h 45^m 34.28405^s[2]

Declination+34° 30′ 42.8091″^[2]

Apparentmagnitude(V)6.3 – 13.2^[3]

Quick facts Constellation, Right ascension ...

R Leonis Minoris

The visual band light curve of R Leonis Minoris, from AAVSO data[1]
Observation data Epoch J2000      Equinox ICRS
Constellation	Leo Minor
Right ascension	09h 45m 34.28405s[2]
Declination	+34° 30′ 42.8091″[2]
Apparent magnitude (V)	6.3 – 13.2[3]
Characteristics
Spectral type	M6.5e to M9.0e (Tc:)[3]
U−B color index	+0.55[4]
B−V color index	+1.32[4]
Variable type	Mira[3]
Astrometry
Radial velocity (Rv)	−10.00±4.6[5] km/s
Proper motion (μ)	RA: +1.657 mas/yr[2] Dec.: −1.734 mas/yr[2]
Parallax (π)	3.496±0.142 mas[6]
Distance	930 ± 40 ly (290 ± 10 pc)
Details
Radius	348 – 411[6] R☉
Luminosity	5,288+348 −327[6] L☉
Surface gravity (log g)	−0.65 to −0.61[6] cgs
Temperature	2,730[6] K
Other designations
R LMi, HD 84346, HIP 47886, SAO 61669, BD+35° 2050
Database references
SIMBAD	data

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