Identification Data |
Common Name | |
Constellation | Virgo |
Star Name | 54 Vir |
Skymap Number | 13130069 |
Henry Draper (HD) Number | 114846 |
Harvard Revised (HR) Number | 4990 |
SAO Number | 157798 |
Durchmusterung (DM) Number | SD-18 3562 |
Washington Double Stars (WDS) Number
| 13134-1850
|
Positional Data |
Position and Proper Motion (PPM) Number | 226962 |
Right Ascension (RA) J2000 | 13h 13m 26.835s |
Declination (Dec) J2000 | -18° 49' 35.063" |
Position Uncertainty | 0.0142s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00150 |
Proper Motion in Dec (J2000) | -0.010567 |
Radial Velocity | -041.km s-1 |
Trigonometric Parallax | +0.00252s |
Trigonometric Parallax Uncertainty | 0.00121s |
GCI Unit Vector in X (J2000) | -0.898311 |
GCI Unit Vector in Y (J2000) | -0.298163 |
GCI Unit Vector in Z (J2000) | -0.322702 |
Galactic Longitude | 310.16° |
Galactic Latitude
| 43.74°
|
Observational Data |
Observed Visual Magnitude (V) | 6.80 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.008 |
Observed B Magnitude | 6.84 |
Observed B-V Colour | +0.035 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.009 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 6.8 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | B9III |
One-Dimensional Spectral Class | |
Position Angle | 34 |
Year of Observation | 1983. AD |