Identification Data |
Common Name | Sadalsuud |
Constellation | Aquarius |
Star Name | 22bet Aqr |
Skymap Number | 21310118 |
Henry Draper (HD) Number | 204867 |
Harvard Revised (HR) Number | 8232 |
SAO Number | 145457 |
Durchmusterung (DM) Number | SD-06 5770 |
Washington Double Stars (WDS) Number
| 21316-0534
|
Positional Data |
Position and Proper Motion (PPM) Number | 205297 |
Right Ascension (RA) J2000 | 21h 31m 33.534s |
Declination (Dec) J2000 | -5° 34' 16.220" |
Position Uncertainty | 0.0110s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00153 |
Proper Motion in Dec (J2000) | -0.006766 |
Radial Velocity | +006.7km s-1 |
Trigonometric Parallax | +0.00533s |
Trigonometric Parallax Uncertainty | 0.00094s |
GCI Unit Vector in X (J2000) | 0.793709 |
GCI Unit Vector in Y (J2000) | -0.600501 |
GCI Unit Vector in Z (J2000) | -0.097082 |
Galactic Longitude | 48.03° |
Galactic Latitude
| -37.88°
|
Observational Data |
Observed Visual Magnitude (V) | 2.89 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 3.73 |
Observed B-V Colour | +0.837 |
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 | 3.1 |
Observed Photographic Magnitude | 3.6 |
Morgan Keenan (MK) Spectral Type | G0Ib |
One-Dimensional Spectral Class | G0 |
Position Angle | 319 |
Year of Observation | 1962. AD |