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% @(#)reducephot.hlq 19.1 (ESO-IPG) 02/25/03 13:28:33
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%++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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%.COPYRIGHT (c) 1992 European Southern Observatory
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%.KEYWORDS MIDAS, help files, REDUCE/PHOT
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%.PURPOSE On-line help file for the command: REDUCE/PHOT
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%----------------------------------------------------------------
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REDUCE/PHOT 30-DEC-1992 ATY
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Reduces tables of observational data
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The PEPSYS command REDUCE/PHOT reads observational data from MIDAS
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*.tbl files. The user needs to construct such files from data in
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whatever form is available. CONVERT/PHOT helps the user build the
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necessary files, if raw data in either Danish or ESO standard
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formats are available.
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REDUCE/PHOT determines and corrects for the transformations from
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inside to outside the atmosphere, and from instrumental to standard
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system. (The former is often called ``extinction correction.'')
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Photometry, extinction, transformation
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REDUCE/PHOT is completely interactive; no arguments are needed.
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This starts an interactive session with the reduction program.