Astronomy
Constellations - Hercules - 16 Her

 
Identification Data
Common Name
ConstellationHercules
Star Name16 Her
Skymap Number16150075
Henry Draper (HD) Number146388
Harvard Revised (HR) Number6065
SAO Number102040
Durchmusterung (DM) NumberBD+19 3075
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number132143
Right Ascension (RA) J200016h 15m 28.635s
Declination (Dec) J2000+18° 48' 29.112"
Position Uncertainty0.0094s
Proper Motion in RA (J2000)/cos(Dec)-0.00482
Proper Motion in Dec (J2000)-0.084866
Radial Velocity-017.8km s-1
Trigonometric Parallax+0.01031s
Trigonometric Parallax Uncertainty0.00073s
GCI Unit Vector in X (J2000)-0.416903
GCI Unit Vector in Y (J2000)-0.849853
GCI Unit Vector in Z (J2000)0.322399
Galactic Longitude34.13°
Galactic Latitude
42.62°
Observational Data
Observed Visual Magnitude (V)5.71
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.83
Observed B-V Colour+1.123
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 Magnitude5.9
Observed Photographic Magnitude6.8
Morgan Keenan (MK) Spectral TypeK3III
One-Dimensional Spectral ClassK0
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