Calibration Utilities
General utilities for ACS calibration adapted from HSTCAL.
Functions
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Extract superdark data from |
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Extract postflash data from |
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Extract flatfield data from |
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Resolve IRAF path like |
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Extract section of the reference image that corresponds to the given science image. |
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Obtain bin factors and corner location to extract and bin the appropriate subset of a reference image to match a science image. |
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Obtain bin and corner information for a subarray. |
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Obtain the LTV and LTM keyword values. |
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Compute the corner location and pixel size in units of unbinned pixels. |
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Retrieve header keyword values from RAW and SPT FITS files to pass on to |
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Check if the supplied parameters are in the |
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Check image for bias columns. |