Astronomy
Constellations - Triagulum - zet TrA

 
Identification Data
Common Name
ConstellationTriagulum
Star Namezet TrA
Skymap Number16280062
Henry Draper (HD) Number147584
Harvard Revised (HR) Number6098
SAO Number253554
Durchmusterung (DM) NumberCP-69 2558
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number373091
Right Ascension (RA) J200016h 28m 28.143s
Declination (Dec) J2000-70° 5' 3.843"
Position Uncertainty0.0052s
Proper Motion in RA (J2000)/cos(Dec)+0.03912
Proper Motion in Dec (J2000)+0.110866
Radial Velocity+008.5km s-1
Trigonometric Parallax+0.08261s
Trigonometric Parallax Uncertainty0.00057s
GCI Unit Vector in X (J2000)-0.132455
GCI Unit Vector in Y (J2000)-0.313828
GCI Unit Vector in Z (J2000)-0.940195
Galactic Longitude319.53°
Galactic Latitude
-14.57°
Observational Data
Observed Visual Magnitude (V)4.91
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude5.46
Observed B-V Colour+0.554
Observed B Magnitude or (B-V) Magnitude Uncertainty0.002
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.9
Observed Photographic Magnitude5.5
Morgan Keenan (MK) Spectral TypeF9V
One-Dimensional Spectral ClassG0
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