Astronomy
Constellations - Hercules - 79 Her

 
Identification Data
Common Name
ConstellationHercules
Star Name79 Her
Skymap Number17370120
Henry Draper (HD) Number160181
Harvard Revised (HR) Number6571
SAO Number85264
Durchmusterung (DM) NumberBD+24 3218
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number106138
Right Ascension (RA) J200017h 37m 31.094s
Declination (Dec) J2000+24° 18' 35.969"
Position Uncertainty0.0062s
Proper Motion in RA (J2000)/cos(Dec)-0.00045
Proper Motion in Dec (J2000)+0.009366
Radial Velocity-004.0km s-1
Trigonometric Parallax+0.01359s
Trigonometric Parallax Uncertainty0.00066s
GCI Unit Vector in X (J2000)-0.089254
GCI Unit Vector in Y (J2000)-0.906950
GCI Unit Vector in Z (J2000)0.411673
Galactic Longitude48.12°
Galactic Latitude
26.41°
Observational Data
Observed Visual Magnitude (V)5.76
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude5.87
Observed B-V Colour+0.110
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 Magnitude5.7
Morgan Keenan (MK) Spectral TypeA2Vn
One-Dimensional Spectral ClassA0
Position Angle311
Year of Observation1992. 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