| Identification Data |
| Common Name | |
| Constellation | Perseus |
| Star Name | 1 Per |
| Skymap Number | 1520001 |
| Henry Draper (HD) Number | 11241 |
| Harvard Revised (HR) Number | 533 |
| SAO Number | 22690 |
| Durchmusterung (DM) Number | BD+54 396 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 26835 |
| Right Ascension (RA) J2000 | 1h 51m 59.320s |
| Declination (Dec) J2000 | +55° 8' 50.585" |
| Position Uncertainty | 0.0073s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00146 |
| Proper Motion in Dec (J2000) | -0.008366 |
| Radial Velocity | -006.1km s-1 |
| Trigonometric Parallax | +0.00317s |
| Trigonometric Parallax Uncertainty | 0.00066s |
| GCI Unit Vector in X (J2000) | 0.504589 |
| GCI Unit Vector in Y (J2000) | 0.268263 |
| GCI Unit Vector in Z (J2000) | 0.820625 |
| Galactic Longitude | 131.58° |
Galactic Latitude
| -6.70°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.53 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 5.35 |
| Observed B-V Colour | -0.178 |
| 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 | 5.5 |
| Observed Photographic Magnitude | 5.3 |
| Morgan Keenan (MK) Spectral Type | B1.5V |
| One-Dimensional Spectral Class | B3 |
| Position Angle | |
| Year of Observation | AD |
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