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Astronomy
Constellations - Capricornus - 20 Cap

 
Identification Data
Common Name
ConstellationCapricornus
Star Name20 Cap
Skymap Number20590112
Henry Draper (HD) Number199728
Harvard Revised (HR) Number8033
SAO Number164043
Durchmusterung (DM) NumberSD-19 5982
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number238194
Right Ascension (RA) J200020h 59m 36.138s
Declination (Dec) J2000-19° 2' 7.020"
Position Uncertainty0.0125s
Proper Motion in RA (J2000)/cos(Dec)+0.00062
Proper Motion in Dec (J2000)-0.020866
Radial Velocity-010.km s-1
Trigonometric Parallax+0.00758s
Trigonometric Parallax Uncertainty0.00103s
GCI Unit Vector in X (J2000)0.667280
GCI Unit Vector in Y (J2000)-0.669600
GCI Unit Vector in Z (J2000)-0.326150
Galactic Longitude28.55°
Galactic Latitude
-36.52°
Observational Data
Observed Visual Magnitude (V)6.27
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.008
Observed B Magnitude6.16
Observed B-V Colour-0.113
Observed B Magnitude or (B-V) Magnitude Uncertainty0.008
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude6.7
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeB9pSi
One-Dimensional Spectral ClassA0
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 13:15:35 GMT+01:00 2001
 
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