Astronomy
Constellations - Triagulum - bet TrA

 
Identification Data
Common Name
ConstellationTriagulum
Star Namebet TrA
Skymap Number15550029
Henry Draper (HD) Number141891
Harvard Revised (HR) Number5897
SAO Number253346
Durchmusterung (DM) NumberCP-63 3723
Washington Double Stars (WDS) Number
15551-6326
Positional Data
Position and Proper Motion (PPM) Number361732
Right Ascension (RA) J200015h 55m 8.562s
Declination (Dec) J2000-63° 25' 50.616"
Position Uncertainty0.0064s
Proper Motion in RA (J2000)/cos(Dec)-0.02809
Proper Motion in Dec (J2000)-0.401966
Radial Velocity+000.4km s-1
Trigonometric Parallax+0.08124s
Trigonometric Parallax Uncertainty0.00062s
GCI Unit Vector in X (J2000)-0.231799
GCI Unit Vector in Y (J2000)-0.382529
GCI Unit Vector in Z (J2000)-0.894394
Galactic Longitude321.86°
Galactic Latitude
-7.52°
Observational Data
Observed Visual Magnitude (V)2.84
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude3.15
Observed B-V Colour+0.313
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 Magnitude3.0
Observed Photographic Magnitude3.3
Morgan Keenan (MK) Spectral TypeF2III
One-Dimensional Spectral ClassF0
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