| Identification Data |
| Common Name | |
| Constellation | Libra |
| Star Name | 21nu Lib |
| Skymap Number | 15060104 |
| Henry Draper (HD) Number | 133774 |
| Harvard Revised (HR) Number | 5622 |
| SAO Number | 159028 |
| Durchmusterung (DM) Number | SD-15 4026 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 229760 |
| Right Ascension (RA) J2000 | 15h 6m 37.596s |
| Declination (Dec) J2000 | -16° 15' 24.544" |
| Position Uncertainty | 0.0090s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00253 |
| Proper Motion in Dec (J2000) | -0.023366 |
| Radial Velocity | -015.1km s-1 |
| Trigonometric Parallax | +0.00426s |
| Trigonometric Parallax Uncertainty | 0.00080s |
| GCI Unit Vector in X (J2000) | -0.658925 |
| GCI Unit Vector in Y (J2000) | -0.698176 |
| GCI Unit Vector in Z (J2000) | -0.279943 |
| Galactic Longitude | 344.00° |
Galactic Latitude
| 35.62°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.19 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 6.76 |
| Observed B-V Colour | +1.574 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.008 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.3 |
| Observed Photographic Magnitude | 6.3 |
| Morgan Keenan (MK) Spectral Type | K5-III |
| One-Dimensional Spectral Class | K0 |
| Position Angle | |
| Year of Observation | AD |
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