| Identification Data |
| Common Name | |
| Constellation | Pegasus |
| Star Name | 1 Peg |
| Skymap Number | 21220014 |
| Henry Draper (HD) Number | 203504 |
| Harvard Revised (HR) Number | 8173 |
| SAO Number | 107073 |
| Durchmusterung (DM) Number | BD+19 4691 |
Washington Double Stars (WDS) Number
| 21221+1948
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 140020 |
| Right Ascension (RA) J2000 | 21h 22m 5.199s |
| Declination (Dec) J2000 | +19° 48' 16.229" |
| Position Uncertainty | 0.0091s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00751 |
| Proper Motion in Dec (J2000) | +0.062666 |
| Radial Velocity | -076.4km s-1 |
| Trigonometric Parallax | +0.02119s |
| Trigonometric Parallax Uncertainty | 0.00087s |
| GCI Unit Vector in X (J2000) | 0.726212 |
| GCI Unit Vector in Y (J2000) | -0.598182 |
| GCI Unit Vector in Z (J2000) | 0.338812 |
| Galactic Longitude | 70.06° |
Galactic Latitude
| -20.92°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.09 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 5.20 |
| Observed B-V Colour | +1.106 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.002 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 4.2 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | K1III |
| One-Dimensional Spectral Class | K0 |
| Position Angle | 311 |
| Year of Observation | 1993. AD |
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