Astronomy
Constellations - Corona Borealis - 7zet2CrB

 
Identification Data
Common Name
ConstellationCorona Borealis
Star Name7zet2CrB
Skymap Number15390051
Henry Draper (HD) Number139892
Harvard Revised (HR) Number5834
SAO Number64834
Durchmusterung (DM) NumberBD+37 2665
Washington Double Stars (WDS) Number
15394+3638
Positional Data
Position and Proper Motion (PPM) Number400207
Right Ascension (RA) J200015h 39m 22.672s
Declination (Dec) J2000+36° 38' 8.923"
Position Uncertainty0.0075s
Proper Motion in RA (J2000)/cos(Dec)-0.00127
Proper Motion in Dec (J2000)-0.006567
Radial Velocity-019.1km s-1
Trigonometric Parallax+0.00689s
Trigonometric Parallax Uncertainty0.00067s
GCI Unit Vector in X (J2000)-0.462046
GCI Unit Vector in Y (J2000)-0.656072
GCI Unit Vector in Z (J2000)0.596727
Galactic Longitude58.69°
Galactic Latitude
53.41°
Observational Data
Observed Visual Magnitude (V)5.00
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude4.90
Observed B-V Colour-0.099
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 Magnitude5.1
Observed Photographic Magnitude5.0
Morgan Keenan (MK) Spectral TypeB7V
One-Dimensional Spectral ClassB8
Position Angle305
Year of Observation1978. 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 13:15:38 GMT+01:00 2001