| Identification Data |
| Common Name | |
| Constellation | Cassiopeia |
| Star Name | 20pi Cas |
| Skymap Number | 430060 |
| Henry Draper (HD) Number | 4058 |
| Harvard Revised (HR) Number | 184 |
| SAO Number | 36602 |
| Durchmusterung (DM) Number | BD+46 146 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 43240 |
| Right Ascension (RA) J2000 | 0h 43m 28.069s |
| Declination (Dec) J2000 | +47° 1' 28.367" |
| Position Uncertainty | 0.0056s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00240 |
| Proper Motion in Dec (J2000) | -0.037266 |
| Radial Velocity | +013.4km s-1 |
| Trigonometric Parallax | +0.01871s |
| Trigonometric Parallax Uncertainty | 0.00073s |
| GCI Unit Vector in X (J2000) | 0.669461 |
| GCI Unit Vector in Y (J2000) | 0.128517 |
| GCI Unit Vector in Z (J2000) | 0.731646 |
| Galactic Longitude | 121.53° |
Galactic Latitude
| -15.82°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.96 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 5.14 |
| Observed B-V Colour | +0.175 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.003 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.0 |
| Observed Photographic Magnitude | 5.2 |
| Morgan Keenan (MK) Spectral Type | A5V |
| One-Dimensional Spectral Class | A5 |
| Position Angle | |
| Year of Observation | AD |