Astronomy
Constellations - Hercules - 84 Her

 
Identification Data
Common Name
ConstellationHercules
Star Name84 Her
Skymap Number17430062
Henry Draper (HD) Number161239
Harvard Revised (HR) Number6608
SAO Number85360
Durchmusterung (DM) NumberBD+24 3237
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number106266
Right Ascension (RA) J200017h 43m 21.564s
Declination (Dec) J2000+24° 19' 40.158"
Position Uncertainty0.0053s
Proper Motion in RA (J2000)/cos(Dec)-0.00854
Proper Motion in Dec (J2000)+0.072366
Radial Velocity-025.6km s-1
Trigonometric Parallax+0.02613s
Trigonometric Parallax Uncertainty0.00063s
GCI Unit Vector in X (J2000)-0.066103
GCI Unit Vector in Y (J2000)-0.908802
GCI Unit Vector in Z (J2000)0.411957
Galactic Longitude48.64°
Galactic Latitude
25.16°
Observational Data
Observed Visual Magnitude (V)5.73
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude6.40
Observed B-V Colour+0.666
Observed B Magnitude or (B-V) Magnitude Uncertainty0.003
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.7
Observed Photographic Magnitude6.3
Morgan Keenan (MK) Spectral TypeG2IIIb
One-Dimensional Spectral ClassG0
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 13:15:42 GMT+01:00 2001