Astronomy
Constellations - Hercules - 8 Her

 
Identification Data
Common Name
ConstellationHercules
Star Name8 Her
Skymap Number16080136
Henry Draper (HD) Number145122
Harvard Revised (HR) Number6013
SAO Number101962
Durchmusterung (DM) NumberBD+17 2967
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number132023
Right Ascension (RA) J200016h 8m 46.630s
Declination (Dec) J2000+17° 12' 20.295"
Position Uncertainty0.0091s
Proper Motion in RA (J2000)/cos(Dec)-0.00134
Proper Motion in Dec (J2000)-0.030766
Radial Velocity-017.0km s-1
Trigonometric Parallax+0.00888s
Trigonometric Parallax Uncertainty0.00085s
GCI Unit Vector in X (J2000)-0.445600
GCI Unit Vector in Y (J2000)-0.844951
GCI Unit Vector in Z (J2000)0.295802
Galactic Longitude31.31°
Galactic Latitude
43.54°
Observational Data
Observed Visual Magnitude (V)6.13
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.12
Observed B-V Colour-0.006
Observed B Magnitude or (B-V) Magnitude Uncertainty0.005
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude6.1
Observed Photographic Magnitude6.1
Morgan Keenan (MK) Spectral TypeA0Vnn
One-Dimensional Spectral ClassA0
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))

 
Page compiled: Sun Sep 02 13:15:41 GMT+01:00 2001