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Astronomy
Constellations - Grus - pi 2Gru

 
Identification Data
Common Name
ConstellationGrus
Star Namepi 2Gru
Skymap Number22230016
Henry Draper (HD) Number212132
Harvard Revised (HR) Number8524
SAO Number231111
Durchmusterung (DM) NumberCD-4614295
Washington Double Stars (WDS) Number
22231-4556
Positional Data
Position and Proper Motion (PPM) Number328201
Right Ascension (RA) J200022h 23m 7.986s
Declination (Dec) J2000-45° 55' 42.557"
Position Uncertainty0.0070s
Proper Motion in RA (J2000)/cos(Dec)+0.02236
Proper Motion in Dec (J2000)-0.057966
Radial Velocity+020.km s-1
Trigonometric Parallax+0.02462s
Trigonometric Parallax Uncertainty0.00070s
GCI Unit Vector in X (J2000)0.634347
GCI Unit Vector in Y (J2000)-0.285309
GCI Unit Vector in Z (J2000)-0.718472
Galactic Longitude350.28°
Galactic Latitude
-55.23°
Observational Data
Observed Visual Magnitude (V)5.63
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.99
Observed B-V Colour+0.363
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 Magnitude5.6
Observed Photographic Magnitude6.1
Morgan Keenan (MK) Spectral TypeF3III-IV
One-Dimensional Spectral ClassF0
Position Angle220
Year of Observation1985. 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 13:15:41 GMT+01:00 2001
 
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