Identification Data |
Common Name | |
Constellation | Cepheus |
Star Name | 30 Cep |
Skymap Number | 22380109 |
Henry Draper (HD) Number | 214734 |
Harvard Revised (HR) Number | 8627 |
SAO Number | 20190 |
Durchmusterung (DM) Number | BD+62 2102 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 23870 |
Right Ascension (RA) J2000 | 22h 38m 39.053s |
Declination (Dec) J2000 | +63° 35' 4.099" |
Position Uncertainty | 0.0058s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00017 |
Proper Motion in Dec (J2000) | -0.020266 |
Radial Velocity | +010.4km s-1 |
Trigonometric Parallax | +0.01020s |
Trigonometric Parallax Uncertainty | 0.00051s |
GCI Unit Vector in X (J2000) | 0.417146 |
GCI Unit Vector in Y (J2000) | -0.154615 |
GCI Unit Vector in Z (J2000) | 0.895591 |
Galactic Longitude | 108.80° |
Galactic Latitude
| 4.42°
|
Observational Data |
Observed Visual Magnitude (V) | 5.20 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 5.27 |
Observed B-V Colour | +0.072 |
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 | 5.2 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | A3IV |
One-Dimensional Spectral Class | A2 |
Position Angle | |
Year of Observation | AD |