Identification Data |
Common Name | |
Constellation | Virgo |
Star Name | 31 Vir |
Skymap Number | 12410135 |
Henry Draper (HD) Number | 110423 |
Harvard Revised (HR) Number | 4829 |
SAO Number | 119538 |
Durchmusterung (DM) Number | BD+07 2568 |
Washington Double Stars (WDS) Number
| 12420+0648
|
Positional Data |
Position and Proper Motion (PPM) Number | 159090 |
Right Ascension (RA) J2000 | 12h 41m 57.117s |
Declination (Dec) J2000 | +6° 48' 23.821" |
Position Uncertainty | 0.0069s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00481 |
Proper Motion in Dec (J2000) | -0.011266 |
Radial Velocity | +003.8km s-1 |
Trigonometric Parallax | +0.01337s |
Trigonometric Parallax Uncertainty | 0.00078s |
GCI Unit Vector in X (J2000) | -0.976363 |
GCI Unit Vector in Y (J2000) | -0.180746 |
GCI Unit Vector in Z (J2000) | 0.118519 |
Galactic Longitude | 296.20° |
Galactic Latitude
| 69.55°
|
Observational Data |
Observed Visual Magnitude (V) | 5.58 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 5.58 |
Observed B-V Colour | +0.001 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.5 |
Observed Photographic Magnitude | 5.4 |
Morgan Keenan (MK) Spectral Type | A2V |
One-Dimensional Spectral Class | A0 |
Position Angle | 40 |
Year of Observation | 1993. AD |