Beta Leonis Minoris
β Leonis Minoris Data pengamatan Epoch J2000.0 Equinox J2000.0 (ICRS ) Rasi bintang Leo Minor Komponen A B Asensio rekta 10j 27m 10j 27m 52.998s 53.006s 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 (μα δ ) −134.15[ 1] m.b /thn −102.97[ 2] m.b /thn Dec. (μδ −113.57[ 1] m.b /thn −95.00[ 2] m.b /thn Paralaks (π) 22.34 ± 0.87[ 4] m.b Jarak 146 ± 6 tc pc ) Magnitudo mutlak (MV ) 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) B 1999.15Argumen 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]
Koordinat : 10h 27m 53s , +36° 42′ 26″
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
1 2 3 HIP 51233, record for component 1 , Hipparcos catalogue ; CDS ID I/239 .1 2 3 HIP 51233, record for component 2 , Hipparcos catalogue ; CDS ID I/239 .1 2 3 4 5 6 7 8 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, 2008.1 2 3 4 5 HD 90537 -- Spectroscopic binary , database entry, SIMBAD . Accessed on line October 1, 2008.↑ Dari magnitudo semu dan paralaks. 1 2 3 4 5 6 7 8 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.
