VHC Recipes

Introduction

VHC defines different recipes for the various image types, combining different sets of test suitable for this type of files.

bias recipe

common:n_files - Correct number of files

common:n_pixels - Correct image size

common:bitstat - Check for stuck bits

common:headerkeys - Header keyword checks

common:nullpix - Check for null pixels

common:check_overscan- Check overscan value

common:exptime - Correct exposure time

common:dettemp - Detector temperature checks

common:saturation - Check for saturated pixels

common:repeat - Check for the REPEAT keyword

bias:compare - Reference Bias

bias:flat - Bias Flatness

bias:linestddev - Bias line features

bias:fft - Bias wave features

flat Recipe

common:n_files - Correct number of files

common:n_pixels - Correct image size

common:bitstat - Check for stuck bits

common:headerkeys - Header keyword checks

common:nullpix - Check for null pixels

common:check_overscan- Check overscan value

common:exptime - Correct exposure time

common:dettemp - Detector temperature checks

common:saturation - Check for saturated pixels

common:repeat - Check for the REPEAT keyword

flat:min_flux - Minimum flux in fibers

flat:n_fibers - Number of fibers

flat:check_throughput - Not implemented

flat:check_distortion - Not implemented

arc recipe

common:n_files - Correct number of files

common:n_pixels - Correct image size

common:bitstat - Check for stuck bits

common:headerkeys - Header keyword checks

common:nullpix - Check for null pixels

common:check_overscan- Check overscan value

common:exptime - Correct exposure time

common:dettemp - Detector temperature checks

common:saturation - Check for saturated pixels

common:repeat - Check for the REPEAT keyword

arc:find_peaks - Number of peaks

twilight recipe

common:n_files - Correct number of files

common:n_pixels - Correct image size

common:bitstat - Check for stuck bits

common:headerkeys - Header keyword checks

common:nullpix - Check for null pixels

common:check_overscan- Check overscan value

common:exptime - Correct exposure time

common:dettemp - Detector temperature checks

common:saturation - Check for saturated pixels

common:repeat - Check for the REPEAT keyword

flat:min_flux - Minimum flux in fibers

flat:n_fibers - Number of fibers

flat:check_throughput - Not implemented

flat:check_distortion - Not implemented

flat:col_cte - Column shift CTE issues

dark recipe

common:n_files - Correct number of files

common:n_pixels - Correct image size

common:bitstat - Check for stuck bits

common:headerkeys - Header keyword checks

common:nullpix - Check for null pixels

common:check_overscan- Check overscan value

common:exptime - Correct exposure time

common:dettemp - Detector temperature checks

common:saturation - Check for saturated pixels

common:repeat - Check for the REPEAT keyword

bias:compare - Reference Bias

bias:flat - Bias Flatness

engineering recipe

common:n_files - Correct number of files

common:n_pixels - Correct image size

common:bitstat - Check for stuck bits

common:headerkeys - Header keyword checks

common:nullpix - Check for null pixels

common:check_overscan- Check overscan value

common:exptime - Correct exposure time

common:dettemp - Detector temperature checks

common:saturation - Check for saturated pixels

common:repeat - Check for the REPEAT keyword

hetdex_dither recipe

common:n_files - Correct number of files

common:n_pixels - Correct image size

common:bitstat - Check for stuck bits

common:headerkeys - Header keyword checks

common:nullpix - Check for null pixels

common:check_overscan- Check overscan value

common:exptime - Correct exposure time

common:dettemp - Detector temperature checks

common:saturation - Check for saturated pixels

common:repeat - Check for the REPEAT keyword

hetdex_dithers:n_dithers - Number of dithered exposures

hetdex_dithers:col_cte - Check for column shift CTE problems

hetdex_dithers:sky_level - Check for sufficiont level