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