| Identification Data |
| Common Name | |
| Constellation | Perseus |
| Star Name | 55 Per |
| Skymap Number | 4240089 |
| Henry Draper (HD) Number | 27777 |
| Harvard Revised (HR) Number | 1377 |
| SAO Number | 57212 |
| Durchmusterung (DM) Number | BD+33 853 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 69391 |
| Right Ascension (RA) J2000 | 4h 24m 29.155s |
| Declination (Dec) J2000 | +34° 7' 50.728" |
| Position Uncertainty | 0.0087s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00165 |
| Proper Motion in Dec (J2000) | -0.034266 |
| Radial Velocity | +005.1km s-1 |
| Trigonometric Parallax | +0.00534s |
| Trigonometric Parallax Uncertainty | 0.00084s |
| GCI Unit Vector in X (J2000) | 0.335076 |
| GCI Unit Vector in Y (J2000) | 0.756908 |
| GCI Unit Vector in Z (J2000) | 0.561083 |
| Galactic Longitude | 165.39° |
Galactic Latitude
| -10.65°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.73 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 5.67 |
| Observed B-V Colour | -0.057 |
| 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 | 5.6 |
| Observed Photographic Magnitude | 5.5 |
| Morgan Keenan (MK) Spectral Type | B8V |
| One-Dimensional Spectral Class | B8 |
| Position Angle | |
| Year of Observation | AD |
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