| Identification Data |
| Common Name | |
| Constellation | Pegasus |
| Star Name | 4 Peg |
| Skymap Number | 21380094 |
| Henry Draper (HD) Number | 205924 |
| Harvard Revised (HR) Number | 8270 |
| SAO Number | 126956 |
| Durchmusterung (DM) Number | BD+05 4834 |
Washington Double Stars (WDS) Number
| 21385+0546
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 172049 |
| Right Ascension (RA) J2000 | 21h 38m 31.939s |
| Declination (Dec) J2000 | +5° 46' 18.273" |
| Position Uncertainty | 0.0092s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00755 |
| Proper Motion in Dec (J2000) | +0.028666 |
| Radial Velocity | -018.5km s-1 |
| Trigonometric Parallax | +0.01874s |
| Trigonometric Parallax Uncertainty | 0.00075s |
| GCI Unit Vector in X (J2000) | 0.811328 |
| GCI Unit Vector in Y (J2000) | -0.575876 |
| GCI Unit Vector in Z (J2000) | 0.100566 |
| Galactic Longitude | 60.77° |
Galactic Latitude
| -32.96°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.67 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 5.93 |
| Observed B-V Colour | +0.258 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.005 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.8 |
| Observed Photographic Magnitude | 5.9 |
| Morgan Keenan (MK) Spectral Type | A9IV-Vn |
| One-Dimensional Spectral Class | F0 |
| Position Angle | 335 |
| Year of Observation | 1910. AD |
