Astronomy
Constellations - Pegasus - 20 Peg

 
Identification Data
Common Name
ConstellationPegasus
Star Name20 Peg
Skymap Number22010023
Henry Draper (HD) Number209166
Harvard Revised (HR) Number8392
SAO Number107587
Durchmusterung (DM) NumberBD+12 4737
Washington Double Stars (WDS) Number
22011+1307
Positional Data
Position and Proper Motion (PPM) Number140951
Right Ascension (RA) J200022h 1m 5.349s
Declination (Dec) J2000+13° 7' 11.364"
Position Uncertainty0.0099s
Proper Motion in RA (J2000)/cos(Dec)+0.00394
Proper Motion in Dec (J2000)-0.056766
Radial Velocity+007.0km s-1
Trigonometric Parallax+0.01430s
Trigonometric Parallax Uncertainty0.00081s
GCI Unit Vector in X (J2000)0.845725
GCI Unit Vector in Y (J2000)-0.482935
GCI Unit Vector in Z (J2000)0.226988
Galactic Longitude71.69°
Galactic Latitude
-32.32°
Observational Data
Observed Visual Magnitude (V)5.61
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude5.97
Observed B-V Colour+0.356
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 Magnitude5.7
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeF4III
One-Dimensional Spectral ClassF2
Position Angle324
Year of Observation1925. 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