Identification Data |
Common Name | |
Constellation | Virgo |
Star Name | 78 Vir |
Skymap Number | 13340016 |
Henry Draper (HD) Number | 118022 |
Harvard Revised (HR) Number | 5105 |
SAO Number | 120004 |
Durchmusterung (DM) Number | BD+04 2764 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 159871 |
Right Ascension (RA) J2000 | 13h 34m 7.930s |
Declination (Dec) J2000 | +3° 39' 32.280" |
Position Uncertainty | 0.0078s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00293 |
Proper Motion in Dec (J2000) | -0.024066 |
Radial Velocity | -011.9km s-1 |
Trigonometric Parallax | +0.01779s |
Trigonometric Parallax Uncertainty | 0.00080s |
GCI Unit Vector in X (J2000) | -0.914961 |
GCI Unit Vector in Y (J2000) | -0.398464 |
GCI Unit Vector in Z (J2000) | 0.063818 |
Galactic Longitude | 328.28° |
Galactic Latitude
| 64.41°
|
Observational Data |
Observed Visual Magnitude (V) | 4.92 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 4.97 |
Observed B-V Colour | +0.049 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.002 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 4.9 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | A1pSrCrEu |
One-Dimensional Spectral Class | A2 |
Position Angle | |
Year of Observation | AD |