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
Distance	930 ± 40 ly ; (290 ± 10 pc)
Details
Radius	348 – 411 R☉
Luminosity	5,288+348; −327 L☉
Surface gravity (log g)	−0.65 to −0.61 cgs
Temperature	2,730 K
Other designations
	R LMi, HD 84346, HIP 47886, SAO 61669, BD+35° 2050
Database references
SIMBAD	data

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]

Quick Facts Observation data Epoch J2000 Equinox J2000, Constellation ...

[7]

[1]

[2]

[3]

[4]

[5]

[6]

Observation data Epoch J2000 Equinox J2000
The visual band light curve of R Leonis Minoris, from AAVSO data^[1]
Constellation	Leo Minor
Right ascension	09^h 45^m 34.28405^s^[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 (R_v)	−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

R Leonis Minoris

References

Wikiwand - on