| Identification Data |
| Common Name | |
| Constellation | Cepheus |
| Star Name | 7 Cep |
| Skymap Number | 21270160 |
| Henry Draper (HD) Number | 204770 |
| Harvard Revised (HR) Number | 8227 |
| SAO Number | 19432 |
| Durchmusterung (DM) Number | BD+66 1405 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 22910 |
| Right Ascension (RA) J2000 | 21h 27m 46.142s |
| Declination (Dec) J2000 | +66° 48' 32.745" |
| Position Uncertainty | 0.0066s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00173 |
| Proper Motion in Dec (J2000) | -0.020766 |
| Radial Velocity | +003.0km s-1 |
| Trigonometric Parallax | +0.00423s |
| Trigonometric Parallax Uncertainty | 0.00048s |
| GCI Unit Vector in X (J2000) | 0.310071 |
| GCI Unit Vector in Y (J2000) | -0.242758 |
| GCI Unit Vector in Z (J2000) | 0.919198 |
| Galactic Longitude | 104.76° |
Galactic Latitude
| 11.43°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.42 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 5.32 |
| Observed B-V Colour | -0.102 |
| 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 | 5.4 |
| Observed Photographic Magnitude | 5.3 |
| Morgan Keenan (MK) Spectral Type | B7V |
| One-Dimensional Spectral Class | B5 |
| Position Angle | |
| Year of Observation | AD |
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