Identification Data |
Common Name | Zuben Elakrab |
Constellation | Libra |
Star Name | 38gam Lib |
Skymap Number | 15350091 |
Henry Draper (HD) Number | 138905 |
Harvard Revised (HR) Number | 5787 |
SAO Number | 159370 |
Durchmusterung (DM) Number | SD-14 4237 |
Washington Double Stars (WDS) Number
| 15355-1447
|
Positional Data |
Position and Proper Motion (PPM) Number | 230451 |
Right Ascension (RA) J2000 | 15h 35m 31.579s |
Declination (Dec) J2000 | -14° 47' 22.333" |
Position Uncertainty | 0.0099s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00453 |
Proper Motion in Dec (J2000) | +0.006966 |
Radial Velocity | -027.5km s-1 |
Trigonometric Parallax | +0.02142s |
Trigonometric Parallax Uncertainty | 0.00090s |
GCI Unit Vector in X (J2000) | -0.569927 |
GCI Unit Vector in Y (J2000) | -0.781038 |
GCI Unit Vector in Z (J2000) | -0.255269 |
Galactic Longitude | 351.52° |
Galactic Latitude
| 32.20°
|
Observational Data |
Observed Visual Magnitude (V) | 3.92 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 4.92 |
Observed B-V Colour | +1.003 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.003 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 4.0 |
Observed Photographic Magnitude | 5.0 |
Morgan Keenan (MK) Spectral Type | G8.5III |
One-Dimensional Spectral Class | K0 |
Position Angle | 191 |
Year of Observation | 1940. AD |