| Identification Data |
| Common Name | |
| Constellation | Pegasus |
| Star Name | 21 Peg |
| Skymap Number | 22030045 |
| Henry Draper (HD) Number | 209459 |
| Harvard Revised (HR) Number | 8404 |
| SAO Number | 107625 |
| Durchmusterung (DM) Number | BD+10 4681 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 141005 |
| Right Ascension (RA) J2000 | 22h 3m 19.032s |
| Declination (Dec) J2000 | +11° 23' 11.588" |
| Position Uncertainty | 0.0106s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00114 |
| Proper Motion in Dec (J2000) | -0.001666 |
| Radial Velocity | +000.5km s-1 |
| Trigonometric Parallax | +0.00603s |
| Trigonometric Parallax Uncertainty | 0.00082s |
| GCI Unit Vector in X (J2000) | 0.855985 |
| GCI Unit Vector in Y (J2000) | -0.477820 |
| GCI Unit Vector in Z (J2000) | 0.197427 |
| Galactic Longitude | 70.67° |
Galactic Latitude
| -33.92°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.83 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 5.78 |
| Observed B-V Colour | -0.053 |
| 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 | 5.8 |
| Observed Photographic Magnitude | 5.8 |
| Morgan Keenan (MK) Spectral Type | B9.5V |
| One-Dimensional Spectral Class | A0 |
| Position Angle | |
| Year of Observation | AD |
