| Identification Data |
| Common Name | |
| Constellation | Cetus |
| Star Name | 57 Cet |
| Skymap Number | 1590127 |
| Henry Draper (HD) Number | 12255 |
| Harvard Revised (HR) Number | 583 |
| SAO Number | 167466 |
| Durchmusterung (DM) Number | SD-21 356 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 244523 |
| Right Ascension (RA) J2000 | 1h 59m 46.199s |
| Declination (Dec) J2000 | -20° 49' 28.339" |
| Position Uncertainty | 0.0077s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00128 |
| Proper Motion in Dec (J2000) | +0.015266 |
| Radial Velocity | -013.0km s-1 |
| Trigonometric Parallax | +0.00488s |
| Trigonometric Parallax Uncertainty | 0.00080s |
| GCI Unit Vector in X (J2000) | 0.809920 |
| GCI Unit Vector in Y (J2000) | 0.466524 |
| GCI Unit Vector in Z (J2000) | -0.355507 |
| Galactic Longitude | 194.59° |
Galactic Latitude
| -73.19°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.44 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 7.05 |
| Observed B-V Colour | +1.608 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.007 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.2 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | M1:IIIa |
| One-Dimensional Spectral Class | M0 |
| Position Angle | |
| Year of Observation | AD |
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