Astronomy
Constellations - Hercules - 103omi Her

 
Identification Data
Common Name
ConstellationHercules
Star Name103omi Her
Skymap Number18070122
Henry Draper (HD) Number166014
Harvard Revised (HR) Number6779
SAO Number85750
Durchmusterung (DM) NumberBD+28 2925
Washington Double Stars (WDS) Number
18075+2846
Positional Data
Position and Proper Motion (PPM) Number106802
Right Ascension (RA) J200018h 7m 32.550s
Declination (Dec) J2000+28° 45' 44.959"
Position Uncertainty0.0059s
Proper Motion in RA (J2000)/cos(Dec)-0.00001
Proper Motion in Dec (J2000)+0.007566
Radial Velocity-029.5km s-1
Trigonometric Parallax+0.00939s
Trigonometric Parallax Uncertainty0.00057s
GCI Unit Vector in X (J2000)0.028845
GCI Unit Vector in Y (J2000)-0.876147
GCI Unit Vector in Z (J2000)0.481180
Galactic Longitude55.19°
Galactic Latitude
21.59°
Observational Data
Observed Visual Magnitude (V)3.84
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude3.82
Observed B-V Colour-0.018
Observed B Magnitude or (B-V) Magnitude Uncertainty0.002
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude3.8
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeB9.5V
One-Dimensional Spectral ClassA0
Position Angle107
Year of Observation1981. 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