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Astronomy
Constellations - Auriga - 2 Aur

 
Identification Data
Common Name
ConstellationAuriga
Star Name2 Aur
Skymap Number4520113
Henry Draper (HD) Number30834
Harvard Revised (HR) Number1551
SAO Number57475
Durchmusterung (DM) NumberBD+36 952
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number69715
Right Ascension (RA) J20004h 52m 37.980s
Declination (Dec) J2000+36° 42' 11.473"
Position Uncertainty0.0107s
Proper Motion in RA (J2000)/cos(Dec)-0.00216
Proper Motion in Dec (J2000)-0.003966
Radial Velocity-016.5km s-1
Trigonometric Parallax+0.00581s
Trigonometric Parallax Uncertainty0.00082s
GCI Unit Vector in X (J2000)0.232288
GCI Unit Vector in Y (J2000)0.767355
GCI Unit Vector in Z (J2000)0.597670
Galactic Longitude167.26°
Galactic Latitude
-4.65°
Observational Data
Observed Visual Magnitude (V)4.78
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.18
Observed B-V Colour+1.399
Observed B Magnitude or (B-V) Magnitude Uncertainty0.006
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.0
Observed Photographic Magnitude6.1
Morgan Keenan (MK) Spectral TypeK2.5IIIBa0.5
One-Dimensional Spectral ClassK2
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 13:15:33 GMT+01:00 2001
 
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