Identification Data |
Common Name | |
Constellation | Virgo |
Star Name | 13 Vir |
Skymap Number | 12180099 |
Henry Draper (HD) Number | 107070 |
Harvard Revised (HR) Number | 4681 |
SAO Number | 138710 |
Durchmusterung (DM) Number | BD+00 2920 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 178747 |
Right Ascension (RA) J2000 | 12h 18m 40.317s |
Declination (Dec) J2000 | -0° 47' 13.863" |
Position Uncertainty | 0.0075s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00223 |
Proper Motion in Dec (J2000) | -0.016266 |
Radial Velocity | -014.0km s-1 |
Trigonometric Parallax | +0.01000s |
Trigonometric Parallax Uncertainty | 0.00076s |
GCI Unit Vector in X (J2000) | -0.996589 |
GCI Unit Vector in Y (J2000) | -0.081374 |
GCI Unit Vector in Z (J2000) | -0.013739 |
Galactic Longitude | 285.86° |
Galactic Latitude
| 60.99°
|
Observational Data |
Observed Visual Magnitude (V) | 5.91 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 6.08 |
Observed B-V Colour | +0.165 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.005 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.9 |
Observed Photographic Magnitude | 5.9 |
Morgan Keenan (MK) Spectral Type | A5Vn |
One-Dimensional Spectral Class | A3 |
Position Angle | |
Year of Observation | AD |