Identification Data |
Common Name | Brachium |
Constellation | Libra |
Star Name | 20sig Lib |
Skymap Number | 15040009 |
Henry Draper (HD) Number | 133216 |
Harvard Revised (HR) Number | 5603 |
SAO Number | 183139 |
Durchmusterung (DM) Number | CD-2411834 |
Washington Double Stars (WDS) Number
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Positional Data |
Position and Proper Motion (PPM) Number | 263746 |
Right Ascension (RA) J2000 | 15h 4m 4.215s |
Declination (Dec) J2000 | -25° 16' 55.073" |
Position Uncertainty | 0.0153s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00530 |
Proper Motion in Dec (J2000) | -0.044766 |
Radial Velocity | -004.3km s-1 |
Trigonometric Parallax | +0.01117s |
Trigonometric Parallax Uncertainty | 0.00098s |
GCI Unit Vector in X (J2000) | -0.627922 |
GCI Unit Vector in Y (J2000) | -0.650632 |
GCI Unit Vector in Z (J2000) | -0.427073 |
Galactic Longitude | 337.23° |
Galactic Latitude
| 28.62°
|
Observational Data |
Observed Visual Magnitude (V) | 3.28 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.010 |
Observed B Magnitude | 4.90 |
Observed B-V Colour | +1.621 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.013 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 3.4 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | M2.5III |
One-Dimensional Spectral Class | M0 |
Position Angle | |
Year of Observation | AD |