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./contrib
findopacity.pro

Last modification date:
Wed Feb 8 12:37:30 2012

findopacity

procedure findopacity, scans, opacity, [ifnum=integer], [plnum=integer], [fdnum=integer], [tatmos=float]

Procedure to fit data to determine opacity.

Note: this procedure works only on position switched and nodding data. Contact the contributor for additional details.

Contributed By: Toney Minter, NRAO-GB

Examples
opacity=0.35 findopacity,[6,8,10,12,14,16,18],3,1,opacity print,opacity 0.05345
Version
$Id: findopacity.pro,v 1.1 2009/02/10 18:49:23 bgarwood Exp $
Common blocks
opacityparams

Parameters
scans
in, required
integer array 		The scan numbers to calibrated (using getps) to determine system temperatures and ultimately opacity.
opacity
in/out, required
variable 		The initial guess on input and the fitted value on output for the opacity.

Keywords
ifnum
in, optional
integer 		The standard GBTIDL ifnum argument. This defaults to 0 if not supplied.
plnum
in, optional
integer 		The standard GBTIDL plnum argument. This defaults to 0 if not supplied.
fdnum
in, optional
integer 		The standard GBTIDL fdnum argument. This defaults to 0 if not supplied.
tatmos
in, optional
float 		The atmospheric temperature, in K, to use in the fit. This defaults to 270.0 if not supplied.

Produced by IDLdoc 1.6 on Wed Feb 8 12:39:02 2012