"descr":"UV to VL ratio of the door retro-illumination, to be used as map of optical efficiency",
"validity":"True"
"opt_efficiency":{
"file_name":"UVRC2_eff_map_det_v01.fits",
"error":"UV_err_map_det_new.fits",
"source":"TBD",
"descr":"Combination of door UV/VL intensity ratio map with in-flight radiometric response to be used as map of optical and radiometric efficiency for OBSW version 2.2.0",