Identification Data |
Common Name | |
Constellation | Cepheus |
Star Name | 2the Cep |
Skymap Number | 20290137 |
Henry Draper (HD) Number | 195725 |
Harvard Revised (HR) Number | 7850 |
SAO Number | 18897 |
Durchmusterung (DM) Number | BD+62 1821 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 22214 |
Right Ascension (RA) J2000 | 20h 29m 34.885s |
Declination (Dec) J2000 | +62° 59' 38.778" |
Position Uncertainty | 0.0054s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00661 |
Proper Motion in Dec (J2000) | -0.013366 |
Radial Velocity | -006.8km s-1 |
Trigonometric Parallax | +0.02404s |
Trigonometric Parallax Uncertainty | 0.00053s |
GCI Unit Vector in X (J2000) | 0.275769 |
GCI Unit Vector in Y (J2000) | -0.360752 |
GCI Unit Vector in Z (J2000) | 0.890960 |
Galactic Longitude | 97.76° |
Galactic Latitude
| 13.80°
|
Observational Data |
Observed Visual Magnitude (V) | 4.21 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 4.43 |
Observed B-V Colour | +0.216 |
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 | 4.3 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | A7III |
One-Dimensional Spectral Class | A5 |
Position Angle | |
Year of Observation | AD |