Identification Data |
Common Name | |
Constellation | Pegasus |
Star Name | 7 Peg |
Skymap Number | 21420055 |
Henry Draper (HD) Number | 206487 |
Harvard Revised (HR) Number | 8289 |
SAO Number | 127002 |
Durchmusterung (DM) Number | BD+05 4850 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 172141 |
Right Ascension (RA) J2000 | 21h 42m 15.451s |
Declination (Dec) J2000 | +5° 40' 48.495" |
Position Uncertainty | 0.0090s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00075 |
Proper Motion in Dec (J2000) | -0.005866 |
Radial Velocity | -003.7km s-1 |
Trigonometric Parallax | +0.00625s |
Trigonometric Parallax Uncertainty | 0.00080s |
GCI Unit Vector in X (J2000) | 0.820712 |
GCI Unit Vector in Y (J2000) | -0.562703 |
GCI Unit Vector in Z (J2000) | 0.098975 |
Galactic Longitude | 61.37° |
Galactic Latitude
| -33.75°
|
Observational Data |
Observed Visual Magnitude (V) | 5.31 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 6.94 |
Observed B-V Colour | +1.625 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.007 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.6 |
Observed Photographic Magnitude | 7.1 |
Morgan Keenan (MK) Spectral Type | M2IIIab |
One-Dimensional Spectral Class | M0 |
Position Angle | |
Year of Observation | AD |