| Identification Data |
| Common Name | |
| Constellation | Aquarius |
| Star Name | 25 Aqr |
| Skymap Number | 21390111 |
| Henry Draper (HD) Number | 206067 |
| Harvard Revised (HR) Number | 8277 |
| SAO Number | 126965 |
| Durchmusterung (DM) Number | BD+01 4517 |
Washington Double Stars (WDS) Number
| 21396+0215
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 172073 |
| Right Ascension (RA) J2000 | 21h 39m 33.265s |
| Declination (Dec) J2000 | +2° 14' 36.810" |
| Position Uncertainty | 0.0109s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00218 |
| Proper Motion in Dec (J2000) | -0.084266 |
| Radial Velocity | -032.2km s-1 |
| Trigonometric Parallax | +0.01355s |
| Trigonometric Parallax Uncertainty | 0.00088s |
| GCI Unit Vector in X (J2000) | 0.817408 |
| GCI Unit Vector in Y (J2000) | -0.574727 |
| GCI Unit Vector in Z (J2000) | 0.039147 |
| Galactic Longitude | 57.55° |
Galactic Latitude
| -35.28°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.10 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 6.13 |
| Observed B-V Colour | +1.032 |
| 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 | 5.3 |
| Observed Photographic Magnitude | 6.5 |
| Morgan Keenan (MK) Spectral Type | K0III |
| One-Dimensional Spectral Class | K0 |
| Position Angle | 45 |
| Year of Observation | 1960. AD |