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 |