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Astronomy
Constellations - Aquarius - 47 Aqr

 
Identification Data
Common Name
ConstellationAquarius
Star Name47 Aqr
Skymap Number22210104
Henry Draper (HD) Number212010
Harvard Revised (HR) Number8516
SAO Number191083
Durchmusterung (DM) NumberBD-22 5897
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number273696
Right Ascension (RA) J200022h 21m 35.568s
Declination (Dec) J2000-21° 35' 53.628"
Position Uncertainty0.0116s
Proper Motion in RA (J2000)/cos(Dec)-0.00081
Proper Motion in Dec (J2000)-0.084666
Radial Velocity+048.5km s-1
Trigonometric Parallax+0.01781s
Trigonometric Parallax Uncertainty0.00087s
GCI Unit Vector in X (J2000)0.845385
GCI Unit Vector in Y (J2000)-0.387079
GCI Unit Vector in Z (J2000)-0.368096
Galactic Longitude33.85°
Galactic Latitude
-55.56°
Observational Data
Observed Visual Magnitude (V)5.13
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.19
Observed B-V Colour+1.055
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 Magnitude5.4
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeK2III
One-Dimensional Spectral ClassK0
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 13:15:32 GMT+01:00 2001
 
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