EQ Virginis

From Wikipedia, the free encyclopedia
Jump to: navigation, search
EQ Virginis
Observation data
Epoch J2000      Equinox J2000
Constellation Virgo
Right ascension 13h 34m 43.207s[1]
Declination −08° 20′ 31.34″[1]
Apparent magnitude (V) 9.31
Characteristics
Spectral type K5V
U−B color index  ?
B−V color index  ?
Variable type Flare
Astrometry
Radial velocity (Rv) −19.0 km/s
Proper motion (μ) RA: −285.90 ± 0.70[1] mas/yr
Dec.: −92.13 ± 0.38[1] mas/yr
Parallax (π) 49.48 ± 0.72[1] mas
Distance 65.9 ± 1.0 ly
(20.2 ± 0.3 pc)
Absolute magnitude (MV) 10.51
Details
Mass M
Radius R
Luminosity L
Temperature K
Metallicity ?
Rotation ?
Age ? years
Other designations
V* EQ Vir, GJ 517, PLX 3101, BD−07° 3646, HD 118100, SAO 139419, 1E 1332.1-0804, HERZ 13903, RBS 1287, HIP 66252, LTT 5253, Ross 478.

EQ Virginis is a flare star in the constellation of Virgo.

References[edit]

  1. ^ a b c d e van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.  Vizier catalog entry