| Identification Data |
| Common Name | |
| Constellation | Cassiopeia |
| Star Name | 2 Cas |
| Skymap Number | 23090119 |
| Henry Draper (HD) Number | 218753 |
| Harvard Revised (HR) Number | 8822 |
| SAO Number | 35186 |
| Durchmusterung (DM) Number | BD+58 2552 |
Washington Double Stars (WDS) Number
| 23097+5920
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 41538 |
| Right Ascension (RA) J2000 | 23h 9m 44.138s |
| Declination (Dec) J2000 | +59° 19' 57.691" |
| Position Uncertainty | 0.0068s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00002 |
| Proper Motion in Dec (J2000) | +0.001266 |
| Radial Velocity | -012.0km s-1 |
| Trigonometric Parallax | +0.00165s |
| Trigonometric Parallax Uncertainty | 0.00056s |
| GCI Unit Vector in X (J2000) | 0.497834 |
| GCI Unit Vector in Y (J2000) | -0.110970 |
| GCI Unit Vector in Z (J2000) | 0.860143 |
| Galactic Longitude | 110.29° |
Galactic Latitude
| -1.02°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.69 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 6.00 |
| Observed B-V Colour | +0.309 |
| 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 | 5.6 |
| Observed Photographic Magnitude | 5.7 |
| Morgan Keenan (MK) Spectral Type | A5III |
| One-Dimensional Spectral Class | A3 |
| Position Angle | 41 |
| Year of Observation | 1934. AD |
