| Identification Data |
| Common Name | |
| Constellation | Pegasus |
| Star Name | 78 Peg |
| Skymap Number | 23430170 |
| Henry Draper (HD) Number | 222842 |
| Harvard Revised (HR) Number | 8997 |
| SAO Number | 91457 |
| Durchmusterung (DM) Number | BD+28 4627 |
Washington Double Stars (WDS) Number
| 23440+2922
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 115769 |
| Right Ascension (RA) J2000 | 23h 43m 59.485s |
| Declination (Dec) J2000 | +29° 21' 41.233" |
| Position Uncertainty | 0.0075s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00547 |
| Proper Motion in Dec (J2000) | -0.040867 |
| Radial Velocity | -006.9km s-1 |
| Trigonometric Parallax | +0.01391s |
| Trigonometric Parallax Uncertainty | 0.00075s |
| GCI Unit Vector in X (J2000) | 0.869419 |
| GCI Unit Vector in Y (J2000) | -0.060828 |
| GCI Unit Vector in Z (J2000) | 0.490318 |
| Galactic Longitude | 105.74° |
Galactic Latitude
| -31.25°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.94 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 5.87 |
| Observed B-V Colour | +0.931 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.003 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.0 |
| Observed Photographic Magnitude | 6.0 |
| Morgan Keenan (MK) Spectral Type | K0III |
| One-Dimensional Spectral Class | K0 |
| Position Angle | 250 |
| Year of Observation | 1994. AD |
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