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Дата изменения: Wed Jan 28 23:42:09 2004
Дата индексирования: Tue Oct 2 05:02:18 2012
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Using idl to process AO spectral line data

May 2003 (this work is in progress...)


Idl basics:  (top)


AO jargon.  (top)


Generic cor routines.  (top)


CALS:  (top)


Processing position switch data:  (top)


Processing stokes data (non calibration runs)  (top)


Process ON scans (no off)  (top)


Using the data archive:  (top)

The data archive consists of tables containing header information for each scan taken at the observatory as well as pointers to the location of the header/spectral data on disc. This data is accessed via the idl routines listed below. A user would call arch_gettbl() to input the table (or a subset of it). corfindpat() can create subsets of the table. arch_getdata()  or arch_getonoff() can be used to read in the spectra. See arch_gettbl() for a description of the table entries.


Using the calibration archive:  (top)

The calibration archive contains all of the calibration scan (heiles calibration) done at the observatory. It is updated at the beginning of each month.  Each measurement is a structure containing the results of the fitting for a single frequency. mmgetarchive() can be used to recall the data. mmplotgtsb(),mmplotcsme,  mmplotazza(), and mmplotpnterr() can be used to generate various plots.


scanlist based routines:  (top)

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