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APCON

APCON

Purpose


  This function returns the values of many different constants used
  in astrophysics.

Category


  Astrophysics

Calling Sequence


  result = APCON(value, [/list, /cgs, /mks])

Inputs


  value: A string naming the desired constant. For a list of
  supported constants, use print, APCON(/list)

Keyword Parameters


  LIST: If set, return a list of the possible constants
  CGS: If set, return values in cgs units (happens by default)
  MKS: If set, return values in mks units.
 

Outputs


  The value of the input constant
 

Examples


  IDL> print, apcon('G', /MKS)
      6.6730000e-11
  IDL> print, apcon('G')
      6.6730000e-08

Todo


  Masses, radii of solar system bodies

Modification History


  May 2009: Written by Chris Beaumont



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