| Identification Data | 
| Common Name |  | 
| Constellation | Aquarius | 
| Star Name | 77    Aqr | 
| Skymap Number | 22540132 | 
| Henry Draper (HD) Number | 216640 | 
| Harvard Revised (HR) Number | 8711 | 
| SAO Number | 165376 | 
| Durchmusterung (DM) Number | SD-17 6619 | 
Washington Double Stars (WDS) Number
  | 
  | 
| Positional Data | 
| Position and Proper Motion (PPM) Number | 240923 | 
| Right Ascension (RA) J2000 | 22h 54m 45.468s | 
| Declination (Dec) J2000 | -16° 16' 19.047" | 
| Position Uncertainty | 0.0092s | 
| Proper Motion in RA (J2000)/cos(Dec) | -0.01553 | 
| Proper Motion in Dec (J2000) | -0.088666 | 
| Radial Velocity | -036.3km s-1 | 
| Trigonometric Parallax | +0.02327s | 
| Trigonometric Parallax Uncertainty | 0.00080s | 
| GCI Unit Vector in X (J2000) | 0.921308 | 
| GCI Unit Vector in Y (J2000) | -0.269594 | 
| GCI Unit Vector in Z (J2000) | -0.280197 | 
| Galactic Longitude | 48.80° | 
Galactic Latitude
  | -60.90°
  | 
| Observational Data | 
| Observed Visual Magnitude (V) | 5.54 | 
| Derived Visual Magnitude |  | 
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 | 
| Observed B Magnitude | 6.64 | 
| Observed B-V Colour | +1.103 | 
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.006 | 
| Observed U Magnitude |  | 
| Observed U-B Colour |  | 
| Observed U Magnitude or (U-B) Magnitude Uncertainty |  | 
| Observed Photovisual Magnitude | 5.6 | 
| Observed Photographic Magnitude | 6.7 | 
| Morgan Keenan (MK) Spectral Type | K2.5III | 
| One-Dimensional Spectral Class | K0 | 
| Position Angle |  | 
| Year of Observation |  AD |