| Identification Data |
| Common Name | |
| Constellation | Perseus |
| Star Name | 11 Per |
| Skymap Number | 2430009 |
| Henry Draper (HD) Number | 16727 |
| Harvard Revised (HR) Number | 785 |
| SAO Number | 23555 |
| Durchmusterung (DM) Number | BD+54 598 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 27908 |
| Right Ascension (RA) J2000 | 2h 43m 2.838s |
| Declination (Dec) J2000 | +55° 6' 21.669" |
| Position Uncertainty | 0.0074s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00405 |
| Proper Motion in Dec (J2000) | -0.021366 |
| Radial Velocity | -001.8km s-1 |
| Trigonometric Parallax | +0.00776s |
| Trigonometric Parallax Uncertainty | 0.00069s |
| GCI Unit Vector in X (J2000) | 0.433295 |
| GCI Unit Vector in Y (J2000) | 0.373507 |
| GCI Unit Vector in Z (J2000) | 0.820212 |
| Galactic Longitude | 138.51° |
Galactic Latitude
| -4.35°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.76 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 5.65 |
| Observed B-V Colour | -0.112 |
| 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 | 5.7 |
| Observed Photographic Magnitude | 5.6 |
| Morgan Keenan (MK) Spectral Type | B7IIIpHg |
| One-Dimensional Spectral Class | B8 |
| Position Angle | |
| Year of Observation | AD |
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