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Astronomy
Constellations - Equuleus - 9 Equ

 
Identification Data
Common Name
ConstellationEquuleus
Star Name9 Equ
Skymap Number21210012
Henry Draper (HD) Number203291
Harvard Revised (HR) Number8163
SAO Number126719
Durchmusterung (DM) NumberBD+06 4802
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number171619
Right Ascension (RA) J200021h 21m 4.824s
Declination (Dec) J2000+7° 21' 16.210"
Position Uncertainty0.0103s
Proper Motion in RA (J2000)/cos(Dec)+0.00277
Proper Motion in Dec (J2000)-0.017966
Radial Velocity-019.9km s-1
Trigonometric Parallax+0.00308s
Trigonometric Parallax Uncertainty0.00084s
GCI Unit Vector in X (J2000)0.762739
GCI Unit Vector in Y (J2000)-0.633911
GCI Unit Vector in Z (J2000)0.128008
Galactic Longitude59.20°
Galactic Latitude
-28.55°
Observational Data
Observed Visual Magnitude (V)5.82
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude7.46
Observed B-V Colour+1.636
Observed B Magnitude or (B-V) Magnitude Uncertainty0.009
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude6.0
Observed Photographic Magnitude7.5
Morgan Keenan (MK) Spectral TypeM2IIIa
One-Dimensional Spectral ClassK5
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 13:15:40 GMT+01:00 2001
 
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