Astronomy
Constellations - Hercules - 93 Her

 
Identification Data
Common Name
ConstellationHercules
Star Name93 Her
Skymap Number18000012
Henry Draper (HD) Number164349
Harvard Revised (HR) Number6713
SAO Number103285
Durchmusterung (DM) NumberBD+16 3335
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number134105
Right Ascension (RA) J200018h 0m 3.416s
Declination (Dec) J2000+16° 45' 3.308"
Position Uncertainty0.0087s
Proper Motion in RA (J2000)/cos(Dec)-0.00052
Proper Motion in Dec (J2000)-0.010666
Radial Velocity-023.5km s-1
Trigonometric Parallax+0.00497s
Trigonometric Parallax Uncertainty0.00082s
GCI Unit Vector in X (J2000)0.000238
GCI Unit Vector in Y (J2000)-0.957567
GCI Unit Vector in Z (J2000)0.288212
Galactic Longitude42.63°
Galactic Latitude
18.72°
Observational Data
Observed Visual Magnitude (V)4.67
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude5.91
Observed B-V Colour+1.240
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 Magnitude4.7
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeK0.5IIb
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 13:15:42 GMT+01:00 2001