Astronomy
Constellations - Hercules - 97 Her

 
Identification Data
Common Name
ConstellationHercules
Star Name97 Her
Skymap Number18020100
Henry Draper (HD) Number164900
Harvard Revised (HR) Number6741
SAO Number85676
Durchmusterung (DM) NumberBD+22 3260
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number106699
Right Ascension (RA) J200018h 2m 30.153s
Declination (Dec) J2000+22° 55' 23.627"
Position Uncertainty0.0061s
Proper Motion in RA (J2000)/cos(Dec)-0.00022
Proper Motion in Dec (J2000)-0.005566
Radial Velocity-036.0km s-1
Trigonometric Parallax+0.00483s
Trigonometric Parallax Uncertainty0.00068s
GCI Unit Vector in X (J2000)0.010057
GCI Unit Vector in Y (J2000)-0.920973
GCI Unit Vector in Z (J2000)0.389497
Galactic Longitude48.91°
Galactic Latitude
20.57°
Observational Data
Observed Visual Magnitude (V)6.22
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.13
Observed B-V Colour-0.095
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 Magnitude6.1
Observed Photographic Magnitude6.1
Morgan Keenan (MK) Spectral TypeB3Vn
One-Dimensional Spectral ClassB8
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