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Astronomy
Constellations - Tucana - the Tuc

 
Identification Data
Common Name
ConstellationTucana
Star Namethe Tuc
Skymap Number330048
Henry Draper (HD) Number3112
Harvard Revised (HR) Number139
SAO Number255679
Durchmusterung (DM) NumberCP-71 20
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number366965
Right Ascension (RA) J20000h 33m 23.358s
Declination (Dec) J2000-71° 15' 58.487"
Position Uncertainty0.0060s
Proper Motion in RA (J2000)/cos(Dec)+0.01526
Proper Motion in Dec (J2000)-0.013066
Radial Velocity+002.3km s-1
Trigonometric Parallax+0.00665s
Trigonometric Parallax Uncertainty0.00052s
GCI Unit Vector in X (J2000)0.317769
GCI Unit Vector in Y (J2000)0.046626
GCI Unit Vector in Z (J2000)-0.947021
Galactic Longitude305.01°
Galactic Latitude
-45.79°
Observational Data
Observed Visual Magnitude (V)6.12
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.38
Observed B-V Colour+0.258
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 Magnitude6.1
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeA7IV
One-Dimensional Spectral ClassA5
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 13:15:51 GMT+01:00 2001
 
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