Astronomy
Constellations - Pegasus - 9 Peg

 
Identification Data
Common Name
ConstellationPegasus
Star Name9 Peg
Skymap Number21440106
Henry Draper (HD) Number206859
Harvard Revised (HR) Number8313
SAO Number107365
Durchmusterung (DM) NumberBD+16 4582
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number140574
Right Ascension (RA) J200021h 44m 30.695s
Declination (Dec) J2000+17° 21' 0.063"
Position Uncertainty0.0091s
Proper Motion in RA (J2000)/cos(Dec)+0.00055
Proper Motion in Dec (J2000)-0.010866
Radial Velocity-022.6km s-1
Trigonometric Parallax+0.00362s
Trigonometric Parallax Uncertainty0.00074s
GCI Unit Vector in X (J2000)0.792507
GCI Unit Vector in Y (J2000)-0.531982
GCI Unit Vector in Z (J2000)0.298208
Galactic Longitude71.99°
Galactic Latitude
-26.51°
Observational Data
Observed Visual Magnitude (V)4.34
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude5.48
Observed B-V Colour+1.142
Observed B Magnitude or (B-V) Magnitude Uncertainty0.002
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.5
Observed Photographic Magnitude5.6
Morgan Keenan (MK) Spectral TypeG5Ib
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))

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