Identification Data |
Common Name | |
Constellation | Virgo |
Star Name | 17 Vir |
Skymap Number | 12220084 |
Henry Draper (HD) Number | 107705 |
Harvard Revised (HR) Number | 4708 |
SAO Number | 119360 |
Durchmusterung (DM) Number | BD+06 2599 |
Washington Double Stars (WDS) Number
| 12225+0518
|
Positional Data |
Position and Proper Motion (PPM) Number | 158773 |
Right Ascension (RA) J2000 | 12h 22m 32.038s |
Declination (Dec) J2000 | +5° 18' 19.600" |
Position Uncertainty | 0.0165s |
Proper Motion in RA (J2000)/cos(Dec) | -0.01115 |
Proper Motion in Dec (J2000) | -0.053267 |
Radial Velocity | +005.1km s-1 |
Trigonometric Parallax | +0.03353s |
Trigonometric Parallax Uncertainty | 0.00132s |
GCI Unit Vector in X (J2000) | -0.990907 |
GCI Unit Vector in Y (J2000) | -0.097744 |
GCI Unit Vector in Z (J2000) | 0.092465 |
Galactic Longitude | 284.17° |
Galactic Latitude
| 67.12°
|
Observational Data |
Observed Visual Magnitude (V) | 6.46 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.005 |
Observed B Magnitude | 7.02 |
Observed B-V Colour | +0.555 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.006 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 6.5 |
Observed Photographic Magnitude | 7.6 |
Morgan Keenan (MK) Spectral Type | F8V |
One-Dimensional Spectral Class | F8 |
Position Angle | 337 |
Year of Observation | 1964. AD |