Identification Data |
Common Name | |
Constellation | Cepheus |
Star Name | 1kap Cep |
Skymap Number | 20080231 |
Henry Draper (HD) Number | 192907 |
Harvard Revised (HR) Number | 7750 |
SAO Number | 9665 |
Durchmusterung (DM) Number | BD+77 764 |
Washington Double Stars (WDS) Number
| 20089+7743
|
Positional Data |
Position and Proper Motion (PPM) Number | 10431 |
Right Ascension (RA) J2000 | 20h 8m 53.346s |
Declination (Dec) J2000 | +77° 42' 41.110" |
Position Uncertainty | 0.0061s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00348 |
Proper Motion in Dec (J2000) | +0.023767 |
Radial Velocity | -022.8km s-1 |
Trigonometric Parallax | +0.00997s |
Trigonometric Parallax Uncertainty | 0.00047s |
GCI Unit Vector in X (J2000) | 0.113485 |
GCI Unit Vector in Y (J2000) | -0.180056 |
GCI Unit Vector in Z (J2000) | 0.977088 |
Galactic Longitude | 110.38° |
Galactic Latitude
| 22.50°
|
Observational Data |
Observed Visual Magnitude (V) | 4.40 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 4.36 |
Observed B-V Colour | -0.043 |
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 | 4.4 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | B9III |
One-Dimensional Spectral Class | B9 |
Position Angle | 121 |
Year of Observation | 1988. AD |