These tables describe the CCD overscan regions of the WFC and HRC, which are used to measure and subtract the bias level of each image in the pipeline.
To retrieve a file from the archive, click in the file name. For details on how to correctly set up the Archive retrieval options for reference files, check our Help page.To receive e-mail notifications of deliveries of new reference files, you can subscribe to instrument specific mailing lists. More.
See the reference file delivery logsheet for more information. These files can also be downloaded directly from the jref directory. If you choose to access the files via this ftp server, keep in mind that there is a known bug in trying to access files via ftp server using Safari. The recommended browser is Firefox.
|File||Detector||Use After||Pedigree||Delivery #||Delivery Date||OTFR Start Use Date||Comments|
|lch1459bj_osc.fits||WFC||Jan 01 1991 00:00:00 UT||GROUND||10897||Jan 08 2002 18:46:23 GMT||Jan 08 2002 19:27:00 GMT||Initial ACS/WFC pedigree=ground osc table.|
|m2j1057pj_osc.fits||HRC||Mar 01 2001 00:00:00 UT||GROUND||10932||Feb 19 2002 17:02:08 GMT||Feb 19 2002 17:57:00 GMT||ACS/HRC pedigree=ground overscan table.|