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Astronomy
Constellations - Corona Borealis - 8gam CrB

 
Identification Data
Common Name
ConstellationCorona Borealis
Star Name8gam CrB
Skymap Number15420099
Henry Draper (HD) Number140436
Harvard Revised (HR) Number5849
SAO Number83958
Durchmusterung (DM) NumberBD+26 2722
Washington Double Stars (WDS) Number
15427+2618
Positional Data
Position and Proper Motion (PPM) Number104258
Right Ascension (RA) J200015h 42m 44.565s
Declination (Dec) J2000+26° 17' 44.295"
Position Uncertainty0.0066s
Proper Motion in RA (J2000)/cos(Dec)-0.00837
Proper Motion in Dec (J2000)+0.050767
Radial Velocity-013.7km s-1
Trigonometric Parallax+0.02248s
Trigonometric Parallax Uncertainty0.00067s
GCI Unit Vector in X (J2000)-0.505397
GCI Unit Vector in Y (J2000)-0.740488
GCI Unit Vector in Z (J2000)0.443003
Galactic Longitude41.74°
Galactic Latitude
51.92°
Observational Data
Observed Visual Magnitude (V)3.82
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude3.84
Observed B-V Colour+0.016
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 Magnitude3.9
Observed Photographic Magnitude3.9
Morgan Keenan (MK) Spectral TypeB9IV+A3V
One-Dimensional Spectral ClassA0
Position Angle
Year of Observation1993. 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 13:15:38 GMT+01:00 2001
 
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