REDSHIFT

       Interactively converts between redshift, Recession velocity, & Distance

       This simple program assumes a linear Hubble law and no cosmological
       constant.    For more general and precise conversions use the program
       lumdist.pro

       redshift, [h, /HELP]

       h = optional Hubble constant (def = 50 km/s/Mpc).      in

       Results are displayed at the terminal screen

       Note: H may be changed at any time by typing h=new_value.
       Also displays angular size equivalence and photometric information.

       R. Sterner. 17 July, 1987.
       Johns Hopkins University Applied Physics Laboratory.
       RES 7 Jan, 1988 --- added H0.
 Copyright (C) 1987, Johns Hopkins University/Applied Physics Laboratory
 This software may be used, copied, or redistributed as long as it is not
 sold and this copyright notice is reproduced on each copy made.  This
 routine is provided as is without any express or implied warranties
 whatsoever.  Other limitations apply as described in the file disclaimer.txt.
       Converted to IDL V5.0   W. Landsman   September 1997

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