Identification Data |
Common Name | |
Constellation | Cepheus |
Star Name | 23eps Cep |
Skymap Number | 22140179 |
Henry Draper (HD) Number | 211336 |
Harvard Revised (HR) Number | 8494 |
SAO Number | 34227 |
Durchmusterung (DM) Number | BD+56 2741 |
Washington Double Stars (WDS) Number
| 22150+5703
|
Positional Data |
Position and Proper Motion (PPM) Number | 40404 |
Right Ascension (RA) J2000 | 22h 15m 2.189s |
Declination (Dec) J2000 | +57° 2' 36.912" |
Position Uncertainty | 0.0076s |
Proper Motion in RA (J2000)/cos(Dec) | +0.05839 |
Proper Motion in Dec (J2000) | +0.050066 |
Radial Velocity | -001.4km s-1 |
Trigonometric Parallax | +0.03886s |
Trigonometric Parallax Uncertainty | 0.00054s |
GCI Unit Vector in X (J2000) | 0.487938 |
GCI Unit Vector in Y (J2000) | -0.240528 |
GCI Unit Vector in Z (J2000) | 0.839085 |
Galactic Longitude | 102.87° |
Galactic Latitude
| 0.40°
|
Observational Data |
Observed Visual Magnitude (V) | 4.18 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 4.47 |
Observed B-V Colour | +0.290 |
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 | 4.2 |
Observed Photographic Magnitude | 4.5 |
Morgan Keenan (MK) Spectral Type | F0IV |
One-Dimensional Spectral Class | F0 |
Position Angle | 15 |
Year of Observation | 1921. AD |