| Identification Data |
| Common Name | |
| Constellation | Perseus |
| Star Name | 48 Per |
| Skymap Number | 4080102 |
| Henry Draper (HD) Number | 25940 |
| Harvard Revised (HR) Number | 1273 |
| SAO Number | 39336 |
| Durchmusterung (DM) Number | BD+47 939 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 46825 |
| Right Ascension (RA) J2000 | 4h 8m 39.690s |
| Declination (Dec) J2000 | +47° 42' 45.046" |
| Position Uncertainty | 0.0080s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00200 |
| Proper Motion in Dec (J2000) | -0.033366 |
| Radial Velocity | +000.8km s-1 |
| Trigonometric Parallax | +0.00589s |
| Trigonometric Parallax Uncertainty | 0.00072s |
| GCI Unit Vector in X (J2000) | 0.314168 |
| GCI Unit Vector in Y (J2000) | 0.595001 |
| GCI Unit Vector in Z (J2000) | 0.739778 |
| Galactic Longitude | 153.66° |
Galactic Latitude
| -3.04°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.01 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 3.97 |
| Observed B-V Colour | -0.039 |
| 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 | 4.0 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | B3Ve |
| One-Dimensional Spectral Class | B3 |
| Position Angle | |
| Year of Observation | AD |
