Identification Data |
Common Name | |
Constellation | Pegasus |
Star Name | 31 Peg |
Skymap Number | 22210091 |
Henry Draper (HD) Number | 212076 |
Harvard Revised (HR) Number | 8520 |
SAO Number | 107854 |
Durchmusterung (DM) Number | BD+11 4784 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 141365 |
Right Ascension (RA) J2000 | 22h 21m 31.075s |
Declination (Dec) J2000 | +12° 12' 18.670" |
Position Uncertainty | 0.0106s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00042 |
Proper Motion in Dec (J2000) | +0.005566 |
Radial Velocity | +001.km s-1 |
Trigonometric Parallax | +0.00336s |
Trigonometric Parallax Uncertainty | 0.00079s |
GCI Unit Vector in X (J2000) | 0.888539 |
GCI Unit Vector in Y (J2000) | -0.407190 |
GCI Unit Vector in Z (J2000) | 0.211413 |
Galactic Longitude | 75.28° |
Galactic Latitude
| -36.43°
|
Observational Data |
Observed Visual Magnitude (V) | 4.82 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.010 |
Observed B Magnitude | 4.73 |
Observed B-V Colour | -0.094 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.011 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 4.9 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | B2IV-Ve |
One-Dimensional Spectral Class | B3 |
Position Angle | |
Year of Observation | AD |