Identification Data |
Common Name | |
Constellation | Scorpius |
Star Name | 22 Sco |
Skymap Number | 16300026 |
Henry Draper (HD) Number | 148605 |
Harvard Revised (HR) Number | 6141 |
SAO Number | 184429 |
Durchmusterung (DM) Number | CD-2412695 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 265598 |
Right Ascension (RA) J2000 | 16h 30m 12.475s |
Declination (Dec) J2000 | -25° 6' 54.806" |
Position Uncertainty | 0.0093s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00025 |
Proper Motion in Dec (J2000) | -0.026566 |
Radial Velocity | +003.6km s-1 |
Trigonometric Parallax | +0.00830s |
Trigonometric Parallax Uncertainty | 0.00084s |
GCI Unit Vector in X (J2000) | -0.345744 |
GCI Unit Vector in Y (J2000) | -0.836846 |
GCI Unit Vector in Z (J2000) | -0.424440 |
Galactic Longitude | 353.10° |
Galactic Latitude
| 15.80°
|
Observational Data |
Observed Visual Magnitude (V) | 4.79 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 4.66 |
Observed B-V Colour | -0.127 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.002 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 4.5 |
Observed Photographic Magnitude | 4.7 |
Morgan Keenan (MK) Spectral Type | B2V |
One-Dimensional Spectral Class | B3 |
Position Angle | |
Year of Observation | AD |