Astronomy
Constellations - Pegasus - 4 Peg

 
Identification Data
Common Name
ConstellationPegasus
Star Name4 Peg
Skymap Number21380094
Henry Draper (HD) Number205924
Harvard Revised (HR) Number8270
SAO Number126956
Durchmusterung (DM) NumberBD+05 4834
Washington Double Stars (WDS) Number
21385+0546
Positional Data
Position and Proper Motion (PPM) Number172049
Right Ascension (RA) J200021h 38m 31.939s
Declination (Dec) J2000+5° 46' 18.273"
Position Uncertainty0.0092s
Proper Motion in RA (J2000)/cos(Dec)+0.00755
Proper Motion in Dec (J2000)+0.028666
Radial Velocity-018.5km s-1
Trigonometric Parallax+0.01874s
Trigonometric Parallax Uncertainty0.00075s
GCI Unit Vector in X (J2000)0.811328
GCI Unit Vector in Y (J2000)-0.575876
GCI Unit Vector in Z (J2000)0.100566
Galactic Longitude60.77°
Galactic Latitude
-32.96°
Observational Data
Observed Visual Magnitude (V)5.67
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude5.93
Observed B-V Colour+0.258
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 Magnitude5.8
Observed Photographic Magnitude5.9
Morgan Keenan (MK) Spectral TypeA9IV-Vn
One-Dimensional Spectral ClassF0
Position Angle335
Year of Observation1910. 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