Astronomy
Constellations - Tucana - bet2Tuc

 
Identification Data
Common Name
ConstellationTucana
Star Namebet2Tuc
Skymap Number310089
Henry Draper (HD) Number2885
Harvard Revised (HR) Number127
SAO Number248202
Durchmusterung (DM) NumberCD-63 8
Washington Double Stars (WDS) Number
00315-6257
Positional Data
Position and Proper Motion (PPM) Number351870
Right Ascension (RA) J20000h 31m 33.468s
Declination (Dec) J2000-62° 57' 56.020"
Position Uncertainty0.0499s
Proper Motion in RA (J2000)/cos(Dec)+0.01290
Proper Motion in Dec (J2000)-0.045866
Radial Velocity+009.8km s-1
Trigonometric Parallax+0.01895s
Trigonometric Parallax Uncertainty0.00435s
GCI Unit Vector in X (J2000)0.450224
GCI Unit Vector in Y (J2000)0.062389
GCI Unit Vector in Z (J2000)-0.890733
Galactic Longitude306.77°
Galactic Latitude
-54.01°
Observational Data
Observed Visual Magnitude (V)4.51
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude4.65
Observed B-V Colour+0.142
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 Magnitude4.5
Observed Photographic Magnitude4.5
Morgan Keenan (MK) Spectral TypeA2V+A7V
One-Dimensional Spectral ClassA2
Position Angle168
Year of Observation1990. 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