Identification Data |
Common Name | |
Constellation | Libra |
Star Name | 48 Lib |
Skymap Number | 15580021 |
Henry Draper (HD) Number | 142983 |
Harvard Revised (HR) Number | 5941 |
SAO Number | 159607 |
Durchmusterung (DM) Number | SD-13 4302 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 231020 |
Right Ascension (RA) J2000 | 15h 58m 11.368s |
Declination (Dec) J2000 | -14° 16' 45.691" |
Position Uncertainty | 0.0094s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00085 |
Proper Motion in Dec (J2000) | -0.016866 |
Radial Velocity | -007.5km s-1 |
Trigonometric Parallax | +0.00636s |
Trigonometric Parallax Uncertainty | 0.00079s |
GCI Unit Vector in X (J2000) | -0.491167 |
GCI Unit Vector in Y (J2000) | -0.835415 |
GCI Unit Vector in Z (J2000) | -0.246650 |
Galactic Longitude | 356.39° |
Galactic Latitude
| 28.63°
|
Observational Data |
Observed Visual Magnitude (V) | 4.95 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 4.87 |
Observed B-V Colour | -0.079 |
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 | 4.7 |
Observed Photographic Magnitude | 4.5 |
Morgan Keenan (MK) Spectral Type | B5IIIp |
One-Dimensional Spectral Class | B3 |
Position Angle | |
Year of Observation | AD |