| Identification Data |
| Common Name | |
| Constellation | Cepheus |
| Star Name | 9 Cep |
| Skymap Number | 21370184 |
| Henry Draper (HD) Number | 206165 |
| Harvard Revised (HR) Number | 8279 |
| SAO Number | 19541 |
| Durchmusterung (DM) Number | BD+61 2169 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 23060 |
| Right Ascension (RA) J2000 | 21h 37m 55.224s |
| Declination (Dec) J2000 | +62° 4' 54.983" |
| Position Uncertainty | 0.0054s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00027 |
| Proper Motion in Dec (J2000) | -0.002866 |
| Radial Velocity | -013.2km s-1 |
| Trigonometric Parallax | +0.00072s |
| Trigonometric Parallax Uncertainty | 0.00049s |
| GCI Unit Vector in X (J2000) | 0.381081 |
| GCI Unit Vector in Y (J2000) | -0.272022 |
| GCI Unit Vector in Z (J2000) | 0.883618 |
| Galactic Longitude | 102.28° |
Galactic Latitude
| 7.25°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.79 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 5.03 |
| Observed B-V Colour | +0.237 |
| 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 | 4.9 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | B2Ib |
| One-Dimensional Spectral Class | B2 |
| Position Angle | |
| Year of Observation | AD |
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