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Updates for Slitless Spectroscopy with HST/WFC3 and ACS

Presentation #102.06 in the session Community & Profession.

Published onJul 01, 2023
Updates for Slitless Spectroscopy with HST/WFC3 and ACS

Wide Field Camera 3 (WFC3) and the Advanced Camera for Surveys (ACS) are primarily used as imaging instruments for the Hubble Space Telescope (HST), but are also capable of slitless spectroscopy using grism and prism elements. HSTaXe is the officially supported software for extracting and calibrating slitless spectroscopic data from WFC3 and ACS. We present recent updates to HSTaXe with major bug fixes and enhanced support for all HST slitless spectroscopy modes. Alongside these updates, we showcase several Jupyter Notebook “cookbooks” designed to improve the experience of new HSTaXe users. These cookbooks serve as tutorials on how to extract spectra from WFC3 and ACS grism data, and include several pre-processing steps that allow for additional functionality and improved output quality. We also discuss the creation of a new master sky image for the WFC3/UVIS G280 grism and the development of new user tools for slitless spectroscopy with HST and JWST.

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