Astronomy
Constellations - Triagulum - eps TrA

 
Identification Data
Common Name
ConstellationTriagulum
Star Nameeps TrA
Skymap Number15360139
Henry Draper (HD) Number138538
Harvard Revised (HR) Number5771
SAO Number253226
Durchmusterung (DM) NumberCP-65 3102
Washington Double Stars (WDS) Number
15367-6619
Positional Data
Position and Proper Motion (PPM) Number361547
Right Ascension (RA) J200015h 36m 43.222s
Declination (Dec) J2000-66° 19' 1.335"
Position Uncertainty0.0053s
Proper Motion in RA (J2000)/cos(Dec)+0.00407
Proper Motion in Dec (J2000)-0.054766
Radial Velocity-015.5km s-1
Trigonometric Parallax+0.01509s
Trigonometric Parallax Uncertainty0.00062s
GCI Unit Vector in X (J2000)-0.235076
GCI Unit Vector in Y (J2000)-0.325703
GCI Unit Vector in Z (J2000)-0.915782
Galactic Longitude318.49°
Galactic Latitude
-8.57°
Observational Data
Observed Visual Magnitude (V)4.11
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.001
Observed B Magnitude5.28
Observed B-V Colour+1.165
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 Magnitude4.1
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeK1-2III
One-Dimensional Spectral ClassK0
Position Angle218
Year of Observation1918. 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