| Identification Data |
| Common Name | |
| Constellation | Aquarius |
| Star Name | 91psi1Aqr |
| Skymap Number | 23150143 |
| Henry Draper (HD) Number | 219449 |
| Harvard Revised (HR) Number | 8841 |
| SAO Number | 146598 |
| Durchmusterung (DM) Number | SD-09 6156 |
Washington Double Stars (WDS) Number
| 23159-0905
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 207344 |
| Right Ascension (RA) J2000 | 23h 15m 53.494s |
| Declination (Dec) J2000 | -9° 5' 15.853" |
| Position Uncertainty | 0.0142s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.02488 |
| Proper Motion in Dec (J2000) | -0.017066 |
| Radial Velocity | -026.4km s-1 |
| Trigonometric Parallax | +0.02197s |
| Trigonometric Parallax Uncertainty | 0.00089s |
| GCI Unit Vector in X (J2000) | 0.969216 |
| GCI Unit Vector in Y (J2000) | -0.188872 |
| GCI Unit Vector in Z (J2000) | -0.157947 |
| Galactic Longitude | 67.08° |
Galactic Latitude
| -61.11°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.24 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 5.34 |
| Observed B-V Colour | +1.100 |
| 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 | 4.5 |
| Observed Photographic Magnitude | 5.5 |
| Morgan Keenan (MK) Spectral Type | K1-IIIFe-0.5 |
| One-Dimensional Spectral Class | K0 |
| Position Angle | 312 |
| Year of Observation | 1960. AD |
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