| Identification Data |
| Common Name | Sadalmelik |
| Constellation | Aquarius |
| Star Name | 34alp Aqr |
| Skymap Number | 22050131 |
| Henry Draper (HD) Number | 209750 |
| Harvard Revised (HR) Number | 8414 |
| SAO Number | 145862 |
| Durchmusterung (DM) Number | BD-01 4246 |
Washington Double Stars (WDS) Number
| 22058-0019
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 181401 |
| Right Ascension (RA) J2000 | 22h 5m 47.035s |
| Declination (Dec) J2000 | -0° 19' 11.463" |
| Position Uncertainty | 0.0094s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00119 |
| Proper Motion in Dec (J2000) | -0.009966 |
| Radial Velocity | +007.2km s-1 |
| Trigonometric Parallax | +0.00430s |
| Trigonometric Parallax Uncertainty | 0.00083s |
| GCI Unit Vector in X (J2000) | 0.878353 |
| GCI Unit Vector in Y (J2000) | -0.477980 |
| GCI Unit Vector in Z (J2000) | -0.005582 |
| Galactic Longitude | 59.94° |
Galactic Latitude
| -42.07°
|
| Observational Data |
| Observed Visual Magnitude (V) | 2.94 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 3.90 |
| Observed B-V Colour | +0.964 |
| 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 | 3.2 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | G2Ib |
| One-Dimensional Spectral Class | G0 |
| Position Angle | 41 |
| Year of Observation | 1907. AD |