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Astronomy
Constellations - Triangulum - 4bet Tri

 
Identification Data
Common Name
ConstellationTriangulum
Star Name4bet Tri
Skymap Number2090076
Henry Draper (HD) Number13161
Harvard Revised (HR) Number622
SAO Number55306
Durchmusterung (DM) NumberBD+34 381
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number67012
Right Ascension (RA) J20002h 9m 32.626s
Declination (Dec) J2000+34° 59' 14.269"
Position Uncertainty0.0098s
Proper Motion in RA (J2000)/cos(Dec)+0.01211
Proper Motion in Dec (J2000)-0.039166
Radial Velocity+009.9km s-1
Trigonometric Parallax+0.02624s
Trigonometric Parallax Uncertainty0.00077s
GCI Unit Vector in X (J2000)0.691848
GCI Unit Vector in Y (J2000)0.438822
GCI Unit Vector in Z (J2000)0.573395
Galactic Longitude140.55°
Galactic Latitude
-25.20°
Observational Data
Observed Visual Magnitude (V)3.02
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude3.18
Observed B-V Colour+0.155
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 Magnitude3.1
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeA5IV
One-Dimensional Spectral ClassA5
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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