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Astronomy
Constellations - Aquarius - 52pi Aqr

 
Identification Data
Common Name
ConstellationAquarius
Star Name52pi Aqr
Skymap Number22250055
Henry Draper (HD) Number212571
Harvard Revised (HR) Number8539
SAO Number127520
Durchmusterung (DM) NumberBD+00 4872
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number173030
Right Ascension (RA) J200022h 25m 16.623s
Declination (Dec) J2000+1° 22' 38.642"
Position Uncertainty0.0082s
Proper Motion in RA (J2000)/cos(Dec)+0.00123
Proper Motion in Dec (J2000)+0.003466
Radial Velocity+004.0km s-1
Trigonometric Parallax+0.00296s
Trigonometric Parallax Uncertainty0.00071s
GCI Unit Vector in X (J2000)0.915533
GCI Unit Vector in Y (J2000)-0.401524
GCI Unit Vector in Z (J2000)0.024038
Galactic Longitude66.02°
Galactic Latitude
-44.74°
Observational Data
Observed Visual Magnitude (V)4.81
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude4.64
Observed B-V Colour-0.174
Observed B Magnitude or (B-V) Magnitude Uncertainty0.004
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.6
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeB1Ve
One-Dimensional Spectral ClassB1
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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