Astronomy
Constellations - Tucana - pi Tuc

 
Identification Data
Common Name
ConstellationTucana
Star Namepi Tuc
Skymap Number200089
Henry Draper (HD) Number1685
Harvard Revised (HR) Number83
SAO Number248167
Durchmusterung (DM) NumberCP-70 12
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number351766
Right Ascension (RA) J20000h 20m 39.036s
Declination (Dec) J2000-69° 37' 29.687"
Position Uncertainty0.0058s
Proper Motion in RA (J2000)/cos(Dec)-0.00077
Proper Motion in Dec (J2000)-0.000666
Radial Velocity+011.6km s-1
Trigonometric Parallax+0.01065s
Trigonometric Parallax Uncertainty0.00051s
GCI Unit Vector in X (J2000)0.346752
GCI Unit Vector in Y (J2000)0.031329
GCI Unit Vector in Z (J2000)-0.937433
Galactic Longitude306.87°
Galactic Latitude
-47.27°
Observational Data
Observed Visual Magnitude (V)5.50
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.46
Observed B-V Colour-0.042
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 Magnitude5.4
Observed Photographic Magnitude5.4
Morgan Keenan (MK) Spectral TypeB9V
One-Dimensional Spectral ClassB9
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