Identification Data |
Common Name | |
Constellation | Saggitarius |
Star Name | 51 Sgr |
Skymap Number | 19360009 |
Henry Draper (HD) Number | 184552 |
Harvard Revised (HR) Number | 7431 |
SAO Number | 188326 |
Durchmusterung (DM) Number | CD-2415442 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 270015 |
Right Ascension (RA) J2000 | 19h 36m 1.653s |
Declination (Dec) J2000 | -24° 43' 8.693" |
Position Uncertainty | 0.0088s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00045 |
Proper Motion in Dec (J2000) | -0.026466 |
Radial Velocity | -030.5km s-1 |
Trigonometric Parallax | +0.01123s |
Trigonometric Parallax Uncertainty | 0.00090s |
GCI Unit Vector in X (J2000) | 0.369567 |
GCI Unit Vector in Y (J2000) | -0.829792 |
GCI Unit Vector in Z (J2000) | -0.418170 |
Galactic Longitude | 14.79° |
Galactic Latitude
| -20.30°
|
Observational Data |
Observed Visual Magnitude (V) | 5.65 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 5.84 |
Observed B-V Colour | +0.189 |
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 | 6.0 |
Observed Photographic Magnitude | 5.8 |
Morgan Keenan (MK) Spectral Type | A7m |
One-Dimensional Spectral Class | A3 |
Position Angle | |
Year of Observation | AD |