Identification Data |
Common Name | |
Constellation | Libra |
Star Name | 44eta Lib |
Skymap Number | 15440023 |
Henry Draper (HD) Number | 140417 |
Harvard Revised (HR) Number | 5848 |
SAO Number | 159466 |
Durchmusterung (DM) Number | SD-15 4171 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 230667 |
Right Ascension (RA) J2000 | 15h 44m 4.399s |
Declination (Dec) J2000 | -15° 40' 22.202" |
Position Uncertainty | 0.0098s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00239 |
Proper Motion in Dec (J2000) | -0.063566 |
Radial Velocity | -031.2km s-1 |
Trigonometric Parallax | +0.02221s |
Trigonometric Parallax Uncertainty | 0.00086s |
GCI Unit Vector in X (J2000) | -0.538147 |
GCI Unit Vector in Y (J2000) | -0.798386 |
GCI Unit Vector in Z (J2000) | -0.270144 |
Galactic Longitude | 352.53° |
Galactic Latitude
| 30.13°
|
Observational Data |
Observed Visual Magnitude (V) | 5.42 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 5.66 |
Observed B-V Colour | +0.235 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.005 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.4 |
Observed Photographic Magnitude | 5.7 |
Morgan Keenan (MK) Spectral Type | F0IV |
One-Dimensional Spectral Class | A5 |
Position Angle | |
Year of Observation | AD |