JWST ETC Strategies
The JWST Exposure Time Calculator (ETC) reports the results of calculations performed using a specified strategy that includes information about location and size of the extraction aperture, wavelength of interest, and choice of regions for background subtraction.
Words in bold italics are also buttons
or parameters in GUI tools. Bold
style represents GUI menus/
panels & data software packages.
Figure 1. Location of the strategy tab in the ETC web application
List of articles
- JWST ETC Imaging Aperture Photometry Strategy: Information on the strategy used for MIRI, NIRCam, and NIRISS imaging calculations, as well as NIRSpec IFU Verification Imaging calculations.
- JWST ETC Aperture Spectral Extraction Strategy: Details of the extraction strategy available for slitted mode calculations, such as MIRI LRS Slit and NIRSpec Fixed Slit.
- JWST ETC MSA Full Shutter Extraction Strategy: Information specific to the extraction strategy for NIRSpec MSA calculations.
- JWST ETC IFU Nod In Scene and IFU Nod Off Scene Strategy: A description of the two strategies available for MIRI MRS and NIRSpec IFU calculations.
- JWST ETC SOSS Spectral Extraction Strategy: Specific information on the extraction strategy for NIRISS SOSS calculations.
- JWST ETC Coronagraphy Strategy: Information on the strategy used for MIRI and NIRCam coronagraphic imaging calculations.
- JWST ETC MSA Aperture Photometry Strategy: Details on the extraction strategy for the NIRSpec MOS Verification Imaging mode.
- JWST ETC MSA Shutter Photometry Strategy: Details on the extraction strategy for the NIRSpec MOS Confirmation Imaging mode.
For additional instrument/mode specific ETC strategies please refer to NIRISS AMI Recommended Strategies, NIRISS Imaging Recommended Strategies and NIRISS WFSS Recommended Strategies articles.