| Identification Data |
| Common Name | |
| Constellation | Cassiopeia |
| Star Name | 25nu Cas |
| Skymap Number | 480119 |
| Henry Draper (HD) Number | 4636 |
| Harvard Revised (HR) Number | 223 |
| SAO Number | 21729 |
| Durchmusterung (DM) Number | BD+50 147 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 25711 |
| Right Ascension (RA) J2000 | 0h 48m 50.021s |
| Declination (Dec) J2000 | +50° 58' 5.404" |
| Position Uncertainty | 0.0057s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00321 |
| Proper Motion in Dec (J2000) | -0.009866 |
| Radial Velocity | +009.0km s-1 |
| Trigonometric Parallax | +0.00837s |
| Trigonometric Parallax Uncertainty | 0.00076s |
| GCI Unit Vector in X (J2000) | 0.615510 |
| GCI Unit Vector in Y (J2000) | 0.133173 |
| GCI Unit Vector in Z (J2000) | 0.776796 |
| Galactic Longitude | 122.52° |
Galactic Latitude
| -11.90°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.91 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 4.82 |
| Observed B-V Colour | -0.093 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.002 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.0 |
| Observed Photographic Magnitude | 5.0 |
| Morgan Keenan (MK) Spectral Type | B9III |
| One-Dimensional Spectral Class | B9 |
| Position Angle | |
| Year of Observation | AD |
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