WX Ursae Majoris

From Wikipedia, the free encyclopedia

WX UMa A / B
Observation data
Epoch J2000
Constellation
(pronunciation)
Ursa Major
Right ascension 11h 05m 30.901s
Declination +43° 31' 18.06"'
Apparent magnitude (V) 14.45 / 8.68
Characteristics
Spectral type M6V / M2V
U-B color index ?
B-V color index ?
Variable type Flare
Astrometry
Proper motion (μ) RA: -4328 mas/yr
Dec.: 953 mas/yr
Parallax (π) 206.94 ± 0 mas
Distance 15.76092 ± 0 ly
(4.83232 ± 0 pc)
Absolute magnitude (MV) 16.45 / 10.22
Details
Mass 0.3 M
Radius 0.4 R
Surface gravity (log g) ?
Luminosity 0.04 L
Temperature 2.000–3.500 K
Metallicity ?
Rotation ?
Age ? years
Visual binary orbit
Companion WX UMa B (LHS 38)
Semimajor axis (a) 31.3"
Eccentricity (e) 0
Inclination (i) 123.6°
Database references
SIMBAD data
Other designations
WX UMa, LTT 12977, UCAC2 46827683, BD+44° 2051B, GJ 412 B, 2MASS J11053133+4331170, USNO-B1.0 1335-00220269, CSI+44° 2051 2, NLTT 26247, USNO 719, 1E 1103.0+4346, Zkh 151, LFT 758, PM 11030+4347, 2E 2394, LHS 39, RX J1105.5+4331, LHS 38, Furuhjelm I-650, GC 15252, AG+43 1004, SAO 43609, TYC 3012-2528-1, ASCC 407596, LFT 757, BD+44 2051, GJ 412 A, BD+44 2051A, GSC 03012-02528, LTT 12976, UCAC2 46827681, HIC 54211, USNO-B1.0 1335-00220263, HIP 54211, MCC 35, Zkh 150.
Database references
SIMBAD data

WX Ursae Majoris is a binary system.

[edit] Reference