This STAN describes the Alpha Release of the Pandeia-based HST Exposure Time Calculator (ETC), updates regarding SBC Dark Rate Monitoring, and the release of acstools version 3.6.1.
This STAN describes a new ACS Observing mode, Imaging Spectropolarimetry, and the release of HSTaXe Version 1.0.3 and HST Cycle 31 ACS Documentation.
This STAN describes updates to ACS software tools, ACS/WFC sky backgrounds, corrections to the pre-defined dither pattern ACS-WFC-DITHER-BOX, and the replacement of Astroconda by stenv.
This STAN describes updates to the ACS WFC flux calibration, geometric distortion, read noise, and documentation.
This STAN describes updates to the absolute flux calibration of the ACS SBC detector and a bug fix to IVM weighting in AstroDrizzle.
This STAN details updates to the Instrument and Data Handbooks, ACS software tools, reference files, a newly implemented SBC aperture, and a variety of ACS related tutorials written in Jupyter notebooks.
This STAN covers release of CALACS 2012.2 and new CTE-corrected data products and updated photometric zeropoints for WFC and HRC.