| Identification Data | 
| Common Name |  | 
| Constellation | Cassiopeia | 
| Star Name | 48    Cas | 
| Skymap Number | 2020002 | 
| Henry Draper (HD) Number | 12111 | 
| Harvard Revised (HR) Number | 575 | 
| SAO Number | 4554 | 
| Durchmusterung (DM) Number | BD+70  153 | 
Washington Double Stars (WDS) Number
  | 02020+7054
  | 
| Positional Data | 
| Position and Proper Motion (PPM) Number | 4877 | 
| Right Ascension (RA) J2000 | 2h 1m 57.452s | 
| Declination (Dec) J2000 | +70° 54' 25.272" | 
| Position Uncertainty | 0.0063s | 
| Proper Motion in RA (J2000)/cos(Dec) | -0.01110 | 
| Proper Motion in Dec (J2000) | -0.010767 | 
| Radial Velocity | -005.0km s-1 | 
| Trigonometric Parallax | +0.02791s | 
| Trigonometric Parallax Uncertainty | 0.00056s | 
| GCI Unit Vector in X (J2000) | 0.281871 | 
| GCI Unit Vector in Y (J2000) | 0.165965 | 
| GCI Unit Vector in Z (J2000) | 0.944989 | 
| Galactic Longitude | 128.69° | 
Galactic Latitude
  | 8.83°
  | 
| Observational Data | 
| Observed Visual Magnitude (V) | 4.52 | 
| Derived Visual Magnitude |  | 
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 | 
| Observed B Magnitude | 4.68 | 
| Observed B-V Colour | +0.160 | 
| 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 | 4.6 | 
| Observed Photographic Magnitude | 4.7 | 
| Morgan Keenan (MK) Spectral Type | A3IV | 
| One-Dimensional Spectral Class | A3 | 
| Position Angle |  | 
| Year of Observation | 1991. AD |