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Astronomy
Constellations - Triagulum - the TrA

 
Identification Data
Common Name
ConstellationTriagulum
Star Namethe TrA
Skymap Number16350139
Henry Draper (HD) Number148890
Harvard Revised (HR) Number6151
SAO Number253614
Durchmusterung (DM) NumberCP-65 3331
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number362183
Right Ascension (RA) J200016h 35m 44.818s
Declination (Dec) J2000-65° 29' 43.436"
Position Uncertainty0.0062s
Proper Motion in RA (J2000)/cos(Dec)+0.00545
Proper Motion in Dec (J2000)-0.028866
Radial Velocity+009.6km s-1
Trigonometric Parallax+0.00994s
Trigonometric Parallax Uncertainty0.00066s
GCI Unit Vector in X (J2000)-0.149066
GCI Unit Vector in Y (J2000)-0.387053
GCI Unit Vector in Z (J2000)-0.909928
Galactic Longitude323.54°
Galactic Latitude
-12.06°
Observational Data
Observed Visual Magnitude (V)5.50
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude6.44
Observed B-V Colour+0.944
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 Magnitude
Morgan Keenan (MK) Spectral TypeG8-K0III
One-Dimensional Spectral ClassK0
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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