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Astronomy
Constellations - Perseus - 49 Per

 
Identification Data
Common Name
ConstellationPerseus
Star Name49 Per
Skymap Number4080035
Henry Draper (HD) Number25975
Harvard Revised (HR) Number1277
SAO Number57000
Durchmusterung (DM) NumberBD+37 881
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number69130
Right Ascension (RA) J20004h 8m 15.387s
Declination (Dec) J2000+37° 43' 38.974"
Position Uncertainty0.0074s
Proper Motion in RA (J2000)/cos(Dec)-0.00846
Proper Motion in Dec (J2000)-0.197066
Radial Velocity-040.2km s-1
Trigonometric Parallax+0.02266s
Trigonometric Parallax Uncertainty0.00070s
GCI Unit Vector in X (J2000)0.370537
GCI Unit Vector in Y (J2000)0.698765
GCI Unit Vector in Z (J2000)0.611907
Galactic Longitude160.44°
Galactic Latitude
-10.42°
Observational Data
Observed Visual Magnitude (V)6.07
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude7.02
Observed B-V Colour+0.945
Observed B Magnitude or (B-V) Magnitude Uncertainty0.005
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude6.2
Observed Photographic Magnitude7.0
Morgan Keenan (MK) Spectral TypeK1III
One-Dimensional Spectral ClassG5
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))

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