Identification Data |
Common Name | |
Constellation | Pegasus |
Star Name | 9 Peg |
Skymap Number | 21440106 |
Henry Draper (HD) Number | 206859 |
Harvard Revised (HR) Number | 8313 |
SAO Number | 107365 |
Durchmusterung (DM) Number | BD+16 4582 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 140574 |
Right Ascension (RA) J2000 | 21h 44m 30.695s |
Declination (Dec) J2000 | +17° 21' 0.063" |
Position Uncertainty | 0.0091s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00055 |
Proper Motion in Dec (J2000) | -0.010866 |
Radial Velocity | -022.6km s-1 |
Trigonometric Parallax | +0.00362s |
Trigonometric Parallax Uncertainty | 0.00074s |
GCI Unit Vector in X (J2000) | 0.792507 |
GCI Unit Vector in Y (J2000) | -0.531982 |
GCI Unit Vector in Z (J2000) | 0.298208 |
Galactic Longitude | 71.99° |
Galactic Latitude
| -26.51°
|
Observational Data |
Observed Visual Magnitude (V) | 4.34 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 5.48 |
Observed B-V Colour | +1.142 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.002 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 4.5 |
Observed Photographic Magnitude | 5.6 |
Morgan Keenan (MK) Spectral Type | G5Ib |
One-Dimensional Spectral Class | G5 |
Position Angle | |
Year of Observation | AD |