Astronomy
Constellations - Perseus - 1 Per

 
Identification Data
Common Name
ConstellationPerseus
Star Name1 Per
Skymap Number1520001
Henry Draper (HD) Number11241
Harvard Revised (HR) Number533
SAO Number22690
Durchmusterung (DM) NumberBD+54 396
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number26835
Right Ascension (RA) J20001h 51m 59.320s
Declination (Dec) J2000+55° 8' 50.585"
Position Uncertainty0.0073s
Proper Motion in RA (J2000)/cos(Dec)+0.00146
Proper Motion in Dec (J2000)-0.008366
Radial Velocity-006.1km s-1
Trigonometric Parallax+0.00317s
Trigonometric Parallax Uncertainty0.00066s
GCI Unit Vector in X (J2000)0.504589
GCI Unit Vector in Y (J2000)0.268263
GCI Unit Vector in Z (J2000)0.820625
Galactic Longitude131.58°
Galactic Latitude
-6.70°
Observational Data
Observed Visual Magnitude (V)5.53
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.35
Observed B-V Colour-0.178
Observed B Magnitude or (B-V) Magnitude Uncertainty0.004
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.5
Observed Photographic Magnitude5.3
Morgan Keenan (MK) Spectral TypeB1.5V
One-Dimensional Spectral ClassB3
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