| Identification Data |
| Common Name | |
| Constellation | Pegasus |
| Star Name | 40 Peg |
| Skymap Number | 22380139 |
| Henry Draper (HD) Number | 214567 |
| Harvard Revised (HR) Number | 8618 |
| SAO Number | 108064 |
| Durchmusterung (DM) Number | BD+18 5014 |
Washington Double Stars (WDS) Number
| 22389+1931
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 141681 |
| Right Ascension (RA) J2000 | 22h 38m 52.590s |
| Declination (Dec) J2000 | +19° 31' 20.146" |
| Position Uncertainty | 0.0090s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00320 |
| Proper Motion in Dec (J2000) | -0.094266 |
| Radial Velocity | -019.7km s-1 |
| Trigonometric Parallax | +0.00855s |
| Trigonometric Parallax Uncertainty | 0.00075s |
| GCI Unit Vector in X (J2000) | 0.884080 |
| GCI Unit Vector in Y (J2000) | -0.326696 |
| GCI Unit Vector in Z (J2000) | 0.334173 |
| Galactic Longitude | 84.85° |
Galactic Latitude
| -33.37°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.84 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 6.76 |
| Observed B-V Colour | +0.917 |
| 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 | 6.8 |
| Morgan Keenan (MK) Spectral Type | G8II |
| One-Dimensional Spectral Class | G5 |
| Position Angle | 236 |
| Year of Observation | 1968. AD |
