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Astronomy
Constellations - Capricornus - 5alp1Cap (Prima Giedi)

 
Identification Data
Common NamePrima Giedi
ConstellationCapricornus
Star Name5alp1Cap
Skymap Number20170133
Henry Draper (HD) Number192876
Harvard Revised (HR) Number7747
SAO Number163422
Durchmusterung (DM) NumberSD-12 5683
Washington Double Stars (WDS) Number
20176-1230
Positional Data
Position and Proper Motion (PPM) Number237206
Right Ascension (RA) J200020h 17m 38.869s
Declination (Dec) J2000-12° 30' 29.564"
Position Uncertainty0.0108s
Proper Motion in RA (J2000)/cos(Dec)+0.00152
Proper Motion in Dec (J2000)+0.000867
Radial Velocity-026.0km s-1
Trigonometric Parallax+0.00475s
Trigonometric Parallax Uncertainty0.00096s
GCI Unit Vector in X (J2000)0.551726
GCI Unit Vector in Y (J2000)-0.805414
GCI Unit Vector in Z (J2000)-0.216580
Galactic Longitude31.10°
Galactic Latitude
-24.70°
Observational Data
Observed Visual Magnitude (V)4.24
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude5.29
Observed B-V Colour+1.046
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 Magnitude4.6
Observed Photographic Magnitude5.1
Morgan Keenan (MK) Spectral TypeG3Ib
One-Dimensional Spectral ClassG0
Position Angle221
Year of Observation1932. 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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