| Identification Data |
| Common Name | |
| Constellation | Cetus |
| Star Name | 12 Cet |
| Skymap Number | 300003 |
| Henry Draper (HD) Number | 2637 |
| Harvard Revised (HR) Number | 117 |
| SAO Number | 128791 |
| Durchmusterung (DM) Number | SD-04 54 |
Washington Double Stars (WDS) Number
| 00300-0357
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 182329 |
| Right Ascension (RA) J2000 | 0h 30m 2.357s |
| Declination (Dec) J2000 | -3° 57' 26.395" |
| Position Uncertainty | 0.0096s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00058 |
| Proper Motion in Dec (J2000) | -0.014566 |
| Radial Velocity | +004.7km s-1 |
| Trigonometric Parallax | +0.00382s |
| Trigonometric Parallax Uncertainty | 0.00092s |
| GCI Unit Vector in X (J2000) | 0.989059 |
| GCI Unit Vector in Y (J2000) | 0.130385 |
| GCI Unit Vector in Z (J2000) | -0.069014 |
| Galactic Longitude | 109.59° |
Galactic Latitude
| -66.27°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.73 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.006 |
| Observed B Magnitude | 7.28 |
| Observed B-V Colour | +1.548 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.010 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 6.0 |
| Observed Photographic Magnitude | 7.2 |
| Morgan Keenan (MK) Spectral Type | M0III |
| One-Dimensional Spectral Class | K5 |
| Position Angle | 199 |
| Year of Observation | 1982. AD |
