Beta Leonis Minoris

**β Leonis Minoris**
	Data pengamatan; Epoch J2000.0 Equinox J2000.0 (ICRS)
Rasi bintang	Leo Minor
	4.215
	Karakteristik
U-B Indeks warna	+0.64
B-V Indeks warna	+0.90
V-R Indeks warna	0.5
R-I Indeks warna	+0.46
	Astrometri
Gerak diri:
Paralaks (π)	22.34 ± 0.87 m.b
Jarak	146 ± 6 tc ; (45 ± 2 pc)
Magnitudo mutlak (MV)	0.96
	Details
	Orbit
Periode (P)	38.62 y
Sumbu semi-mayor (a)	0.363″
Eksentrisitas (e)	0.668
Inklinasi (i)	79.1°
Bujur node menaik (Ω)	41.5°
Periastron epos (T)	B1999.15
Argumen periastron (ω); (secondary)	29.8°
	Referensi Database
SIMBAD	data
	Nama lain
	β LMi, Beta Leonis Minoris, Beta LMi, 31 Leonis Minoris, 31 LMi, ADS 7780 AB, BD+37 2080, CCDM J10279+3642AB, FK5 390, GC 14358, HD 90537, HIP 51233, HR 4100, PPM 75233, SAO 62053, WDS 10279+3642AB.

Beta Leonis Minoris (Beta LMi, β Leonis Minoris, β LMi) adalah sistem bintang biner yang terletak di rasi bintang Leo Minor. Bintang ini memiliki magnitudo semu 4,215.^[4]

Referensi sunting

^ ^a ^b ^c HIP 51233, record for component 1, Hipparcos catalogue; CDS ID I/239.
^ ^a ^b ^c HIP 51233, record for component 2, Hipparcos catalogue; CDS ID I/239.
^ ^a ^b ^c ^d ^e ^f ^g ^h HR 4100, database entry, The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version), D. Hoffleit and W. H. Warren, Jr., CDS ID V/50. Accessed on line October 1, 2008.
^ ^a ^b ^c ^d ^e HD 90537 -- Spectroscopic binary, database entry, SIMBAD. Accessed on line October 1, 2008.
^ Dari magnitudo semu dan paralaks.
^ ^a ^b ^c ^d ^e ^f ^g ^h Beta LMi, Stars, Jim Kaler. Accessed on line October 2, 2008.
^ Entry 10279+3642, Sixth Catalog of Orbits of Visual Binary Stars, United States Naval Observatory. Accessed on line October 1, 2008.
^ Entry 10279+3642, The Washington Double Star Catalog, United States Naval Observatory. Accessed on line October 1, 2008.

Data pengamatan Epoch J2000.0 Equinox J2000.0 (ICRS)
Rasi bintang	Leo Minor
Komponen	A	B
Asensio rekta	10^j 27^m	10^j 27^m
	52.998^s	53.006^s
Deklinasi	+36° 42′^[1]	+36° 42′^[2]
	25.95″	26.01″
Magnitudo semu (V)	4.40^[3]	6.12^[3]
	4.215^[4]
Karakteristik
Klasifikasi bintang	G8III-IV^[3]	F8IV^[3]
U-B Indeks warna	+0.64^[3]
B-V Indeks warna	+0.90^[3]
V-R Indeks warna	0.5^[4]
R-I Indeks warna	+0.46^[3]
Astrometri
Gerak diri:
RA (μ_α cos δ)	−134.15^[1] m.b/thn	−102.97^[2] m.b/thn
Dec. (μ_δ)	−113.57^[1]&nbspm.b/thn	−95.00^[2]&nbspm.b/thn
Paralaks (π)	22.34 ± 0.87^[4] m.b
Jarak	146 ± 6 tc (45 ± 2 pc)
Magnitudo mutlak (M_V)	0.96^[5]
Details
Massa	~2^[6] M_☉	1.35^[6] M_☉
Radius	7.8^[6] R_☉	2^[6] R_☉
Luminositas	36^[6] L_☉	5.8^[6] L_☉
Temperatur	5075^[6] K	6200^[6] K
Orbit^[7]
Periode (P)	38.62 y
Sumbu semi-mayor (a)	0.363″
Eksentrisitas (e)	0.668
Inklinasi (i)	79.1°
Bujur node menaik (Ω)	41.5°
Periastron epos (T)	B1999.15
Argumen periastron (ω) (secondary)	29.8°
Referensi Database
SIMBAD	data
Nama lain
β LMi, Beta Leonis Minoris, Beta LMi, 31 Leonis Minoris, 31 LMi, ADS 7780 AB, BD+37 2080, CCDM J10279+3642AB, FK5 390, GC 14358, HD 90537, HIP 51233, HR 4100, PPM 75233, SAO 62053, WDS 10279+3642AB.^[4]^[3]^[8]