Astronomy
Constellations - Perseus - 50 Per

 
Identification Data
Common Name
ConstellationPerseus
Star Name50 Per
Skymap Number4080089
Henry Draper (HD) Number25998
Harvard Revised (HR) Number1278
SAO Number57006
Durchmusterung (DM) NumberBD+37 882
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number69137
Right Ascension (RA) J20004h 8m 36.616s
Declination (Dec) J2000+38° 2' 23.040"
Position Uncertainty0.0075s
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 Uncertainty0.00077s
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 Longitude160.27°
Galactic Latitude
-10.15°
Observational Data
Observed Visual Magnitude (V)5.52
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.05
Observed B-V Colour+0.526
Observed B Magnitude or (B-V) Magnitude Uncertainty0.003
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.6
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeF7V
One-Dimensional Spectral ClassF8
Position Angle
Year of Observation AD

Data Source
SKY2000 - Master Star Catalog - Star Catalog Database, Version 2
    Sande C.B., Warren Jr. W.H., Tracewell D.A., Home A.T., Miller A.C.
    (Goddard Space Flight Center, Flight Dynamics Division (1998))

 
Page compiled: Sun Sep 02 13:15:47 GMT+01:00 2001