Astronomy
Constellations - Tucana - gam Tuc

 
Identification Data
Common Name
ConstellationTucana
Star Namegam Tuc
Skymap Number23170064
Henry Draper (HD) Number219571
Harvard Revised (HR) Number8848
SAO Number247814
Durchmusterung (DM) NumberCP-58 8062
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number350952
Right Ascension (RA) J200023h 17m 25.773s
Declination (Dec) J2000-58° 14' 8.643"
Position Uncertainty0.0059s
Proper Motion in RA (J2000)/cos(Dec)-0.00442
Proper Motion in Dec (J2000)+0.079666
Radial Velocity+018.4km s-1
Trigonometric Parallax+0.04540s
Trigonometric Parallax Uncertainty0.00061s
GCI Unit Vector in X (J2000)0.517370
GCI Unit Vector in Y (J2000)-0.097222
GCI Unit Vector in Z (J2000)-0.850221
Galactic Longitude324.30°
Galactic Latitude
-54.82°
Observational Data
Observed Visual Magnitude (V)4.00
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.40
Observed B-V Colour+0.403
Observed B Magnitude or (B-V) Magnitude Uncertainty0.003
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.1
Observed Photographic Magnitude4.4
Morgan Keenan (MK) Spectral TypeF1III
One-Dimensional Spectral ClassF2
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))

 
Page compiled: Sun Sep 02 13:15:51 GMT+01:00 2001