Identification Data |
Common Name | |
Constellation | Cepheus |
Star Name | 13 Cep |
Skymap Number | 21540163 |
Henry Draper (HD) Number | 208501 |
Harvard Revised (HR) Number | 8371 |
SAO Number | 33864 |
Durchmusterung (DM) Number | BD+55 2644 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 39991 |
Right Ascension (RA) J2000 | 21h 54m 53.154s |
Declination (Dec) J2000 | +56° 36' 40.418" |
Position Uncertainty | 0.0054s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00045 |
Proper Motion in Dec (J2000) | -0.002266 |
Radial Velocity | -015.0km s-1 |
Trigonometric Parallax | +0.00129s |
Trigonometric Parallax Uncertainty | 0.00054s |
GCI Unit Vector in X (J2000) | 0.470330 |
GCI Unit Vector in Y (J2000) | -0.285724 |
GCI Unit Vector in Z (J2000) | 0.834956 |
Galactic Longitude | 100.39° |
Galactic Latitude
| 1.68°
|
Observational Data |
Observed Visual Magnitude (V) | 5.80 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 6.44 |
Observed B-V Colour | +0.638 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 6.0 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | B8Ib |
One-Dimensional Spectral Class | B9 |
Position Angle | |
Year of Observation | AD |