EQ Virginis

From Infogalactic: the planetary knowledge core
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 K5Ve
U−B color index  ?
B−V color index  ?
Variable type Flare
Astrometry
Radial velocity (Rv) −22.42 ± 0.14 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 4224 ± 80[2] K
Metallicity -0.150
Rotation ?
Age 30-50 million years[3] 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. It is an orange dwarf of spectral type K5Ve and is a member of a IC 2391 moving group.[4] The moving group of stars is between 30 and 50 million years old.[3]

References

  1. 1.0 1.1 1.2 1.3 1.4 Lua error in package.lua at line 80: module 'strict' not found. Vizier catalog entry
  2. Lua error in package.lua at line 80: module 'strict' not found.
  3. 3.0 3.1 Lua error in package.lua at line 80: module 'strict' not found.
  4. Lua error in package.lua at line 80: module 'strict' not found.

<templatestyles src="Asbox/styles.css"></templatestyles>