07/03/03 48821 CTB Converted to XML format 07/21/08 56981 Mary Copied from stis_file.xml 08/08/08 56981 Mary Split the aperture column into two 04/23/10 64779 Mary filter size 7 for MIRRORA and MIRRORB "This relation is used to define the values OPUS needs to populate Archive Search Keywords for observations using imaging apertures when obstype=IMAGING. There must be a record in this table for every COS imaging filtered aperture." C3 "Aperture names are PSA and BOA." C7 "Aperture names are TA1(or MIRRORA) and TA1BRT(or MIRRORB) ." R4 "The pivot wavelength of the bandpass. (Angstrom)" R4 "Bandpass RMS width of imaging aperture (Angstrom)" R4 "Minimum wavelength in bandpass. (Angstrom)" R4 "Maximum wavelength in bandpass. (Angstrom)" COS_FILT_TYPE COS Imaging Relation OPUS unique clustered