| Identification Data |
| Common Name | |
| Constellation | Cassiopeia |
| Star Name | 8sig Cas |
| Skymap Number | 23590004 |
| Henry Draper (HD) Number | 224572 |
| Harvard Revised (HR) Number | 9071 |
| SAO Number | 35947 |
| Durchmusterung (DM) Number | BD+54 3082 |
Washington Double Stars (WDS) Number
| 23590+5545
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 42419 |
| Right Ascension (RA) J2000 | 23h 59m 0.539s |
| Declination (Dec) J2000 | +55° 45' 17.742" |
| Position Uncertainty | 0.0070s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00110 |
| Proper Motion in Dec (J2000) | -0.005167 |
| Radial Velocity | -007.4km s-1 |
| Trigonometric Parallax | +0.00214s |
| Trigonometric Parallax Uncertainty | 0.00075s |
| GCI Unit Vector in X (J2000) | 0.562729 |
| GCI Unit Vector in Y (J2000) | -0.002433 |
| GCI Unit Vector in Z (J2000) | 0.826638 |
| Galactic Longitude | 115.56° |
Galactic Latitude
| -6.36°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.88 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | |
| Observed B Magnitude | 4.81 |
| Observed B-V Colour | -0.071 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.019 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 4.9 |
| Observed Photographic Magnitude | 4.7 |
| Morgan Keenan (MK) Spectral Type | B1V |
| One-Dimensional Spectral Class | B2 |
| Position Angle | 327 |
| Year of Observation | 1983. AD |
