| Identification Data |
| Common Name | |
| Constellation | Cepheus |
| Star Name | 12 Cep |
| Skymap Number | 21470088 |
| Henry Draper (HD) Number | 207528 |
| Harvard Revised (HR) Number | 8339 |
| SAO Number | 19642 |
| Durchmusterung (DM) Number | BD+60 2294 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 23195 |
| Right Ascension (RA) J2000 | 21h 47m 25.295s |
| Declination (Dec) J2000 | +60° 41' 33.681" |
| Position Uncertainty | 0.0055s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00132 |
| Proper Motion in Dec (J2000) | -0.001866 |
| Radial Velocity | -019.9km s-1 |
| Trigonometric Parallax | +0.00698s |
| Trigonometric Parallax Uncertainty | 0.00047s |
| GCI Unit Vector in X (J2000) | 0.409850 |
| GCI Unit Vector in Y (J2000) | -0.267633 |
| GCI Unit Vector in Z (J2000) | 0.872007 |
| Galactic Longitude | 102.22° |
Galactic Latitude
| 5.45°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.52 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 7.07 |
| Observed B-V Colour | +1.545 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.006 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.6 |
| Observed Photographic Magnitude | 7.0 |
| Morgan Keenan (MK) Spectral Type | M1IIIb |
| One-Dimensional Spectral Class | M0 |
| Position Angle | |
| Year of Observation | AD |