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Astronomy
Constellations - Grus - tau3Gru

 
Identification Data
Common Name
ConstellationGrus
Star Nametau3Gru
Skymap Number22560128
Henry Draper (HD) Number216823
Harvard Revised (HR) Number8722
SAO Number231364
Durchmusterung (DM) NumberCD-4814364
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number328779
Right Ascension (RA) J200022h 56m 47.799s
Declination (Dec) J2000-47° 58' 9.197"
Position Uncertainty0.0077s
Proper Motion in RA (J2000)/cos(Dec)-0.00262
Proper Motion in Dec (J2000)+0.001866
Radial Velocity+006.km s-1
Trigonometric Parallax+0.01198s
Trigonometric Parallax Uncertainty0.00077s
GCI Unit Vector in X (J2000)0.644231
GCI Unit Vector in Y (J2000)-0.182309
GCI Unit Vector in Z (J2000)-0.742785
Galactic Longitude342.17°
Galactic Latitude
-59.49°
Observational Data
Observed Visual Magnitude (V)5.71
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.95
Observed B-V Colour+0.239
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 Magnitude6.0
Observed Photographic Magnitude6.0
Morgan Keenan (MK) Spectral Type
One-Dimensional Spectral Class
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 13:15:41 GMT+01:00 2001
 
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