Identification Data |
Common Name | |
Constellation | Perseus |
Star Name | 50 Per |
Skymap Number | 4080089 |
Henry Draper (HD) Number | 25998 |
Harvard Revised (HR) Number | 1278 |
SAO Number | 57006 |
Durchmusterung (DM) Number | BD+37 882 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 69137 |
Right Ascension (RA) J2000 | 4h 8m 36.616s |
Declination (Dec) J2000 | +38° 2' 23.040" |
Position Uncertainty | 0.0075s |
Proper Motion in RA (J2000)/cos(Dec) | +0.01388 |
Proper Motion in Dec (J2000) | -0.203566 |
Radial Velocity | +024.8km s-1 |
Trigonometric Parallax | +0.04687s |
Trigonometric Parallax Uncertainty | 0.00077s |
GCI Unit Vector in X (J2000) | 0.367895 |
GCI Unit Vector in Y (J2000) | 0.696377 |
GCI Unit Vector in Z (J2000) | 0.616208 |
Galactic Longitude | 160.27° |
Galactic Latitude
| -10.15°
|
Observational Data |
Observed Visual Magnitude (V) | 5.52 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 6.05 |
Observed B-V Colour | +0.526 |
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 | 5.6 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | F7V |
One-Dimensional Spectral Class | F8 |
Position Angle | |
Year of Observation | AD |