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Astronomy
Constellations - Hercules - 70 Her

 
Identification Data
Common Name
ConstellationHercules
Star Name70 Her
Skymap Number17200183
Henry Draper (HD) Number157198
Harvard Revised (HR) Number6457
SAO Number85021
Durchmusterung (DM) NumberBD+24 3167
Washington Double Stars (WDS) Number
17209+2430
Positional Data
Position and Proper Motion (PPM) Number105806
Right Ascension (RA) J200017h 20m 54.206s
Declination (Dec) J2000+24° 29' 57.967"
Position Uncertainty0.0067s
Proper Motion in RA (J2000)/cos(Dec)-0.00142
Proper Motion in Dec (J2000)-0.001966
Radial Velocity-018.0km s-1
Trigonometric Parallax+0.00705s
Trigonometric Parallax Uncertainty0.00071s
GCI Unit Vector in X (J2000)-0.154480
GCI Unit Vector in Y (J2000)-0.896757
GCI Unit Vector in Z (J2000)0.414684
Galactic Longitude46.93°
Galactic Latitude
30.05°
Observational Data
Observed Visual Magnitude (V)5.13
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude5.13
Observed B-V Colour-0.003
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 Magnitude5.1
Observed Photographic Magnitude5.1
Morgan Keenan (MK) Spectral TypeA2V
One-Dimensional Spectral ClassA0
Position Angle56
Year of Observation1982. 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))

 
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Page compiled: Sun Sep 02 13:15:42 GMT+01:00 2001
 
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