| Identification Data |
| Common Name | |
| Constellation | Aquarius |
| Star Name | 20 Aqr |
| Skymap Number | 21240183 |
| Henry Draper (HD) Number | 203843 |
| Harvard Revised (HR) Number | 8192 |
| SAO Number | 145376 |
| Durchmusterung (DM) Number | SD-04 5444 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 205165 |
| Right Ascension (RA) J2000 | 21h 24m 51.675s |
| Declination (Dec) J2000 | -3° 23' 54.086" |
| Position Uncertainty | 0.0110s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00044 |
| Proper Motion in Dec (J2000) | -0.050366 |
| Radial Velocity | -023.2km s-1 |
| Trigonometric Parallax | +0.01403s |
| Trigonometric Parallax Uncertainty | 0.00089s |
| GCI Unit Vector in X (J2000) | 0.778135 |
| GCI Unit Vector in Y (J2000) | -0.625294 |
| GCI Unit Vector in Z (J2000) | -0.059278 |
| Galactic Longitude | 49.30° |
Galactic Latitude
| -35.33°
|
| Observational Data |
| Observed Visual Magnitude (V) | 6.39 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.006 |
| Observed B Magnitude | 6.73 |
| Observed B-V Colour | +0.337 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.008 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 6.8 |
| Observed Photographic Magnitude | 6.7 |
| Morgan Keenan (MK) Spectral Type | F0III |
| One-Dimensional Spectral Class | F0 |
| Position Angle | |
| Year of Observation | AD |
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