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Simulated JWST Observations
Simulated data that were released in 2017 are available for download from the Mikulski Archive for Space Telescope (MAST). However, these products have not been kept up-to-date with the current version of the JWST pipeline.
End calloutSimulated JWST data sets offer observers the opportunity to directly explore data products, formatting, and processing. Such data may be ideal for testing your analysis tools and techniques. The expandable sections below contain links to the publicly accessible simulations created by both STScI and community members. Some simulations have associated Jupyter notebooks that can be downloaded and run on your own machine to illustrate some combination of (1) simulating the data, (2) processing the data with the JWST pipeline, and (3) analyzing the data. Limitations to any data set are included in the ReadMe.
Simulated data are designed to emulate the different stages of the JWST pipeline using the correct structure and formatting. For more information on the different pipeline stages (1, 2, 3) and JWST data products, see the JDox pages on Understanding Data Files and the JWST Data Reduction Pipeline.
Public JWST Tools To Create Simulated Data
Several of these simulations are based on public tools that can be installed and run by the user. Follow the links below for further instructions:
Simulations by Instrument
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Mode Simulation Description Data Stage Links Credit Notes Imaging Mildly-crowded stellar field + background galaxies 1, 2, 3 STScI/MIRI Imaging Large dither mosaic of a more-crowded stellar field + background galaxies
1, 2, 3 STScI/MIRI This is similar to the above MIRI Imaging simulation, but a large mosaic.
LRS Point source 1, 2 STScI/MIRI LRS Slitless TSO WASP-62
1, 2, 3 STScI/MIRI MRS Point source 1, 2, 3 STScI/MIRI
Set 1: Single band.; has more intermediate-stage pipeline outputs for demo purposes than set 2 (below) MRS Point source 1, 2, 3 Set 2: All bands 1A-4C Imaging raw, 1, 2, 3
CEERS CEERS Team Overview and Detailed Instructions
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Mode Simulation Description Data Stage Links Credit Notes Imaging LMC astrometric calibration field 1, 2, 3 STScI/NIRCam Imaging NGC 346 mosaic 1, 2, 3 STScI/NIRCam Grism TSO WASP-79b 1, 2, 3 STScI/NIRCam WFSS JADES 1 STScI/NIRCam Imaging Moving Target 16th magnitude star with RA velocity
of 120"/hour1, 2, 3 STScI/NIRCam Imaging LMC 1, 2, 3 STScI/NIRCam Imaging GOODS-S/high-z survey/extended sources Equivalent to 3, but not run through the actual JWST pipeline Williams et al. 2018:
No pipeline stages/ Not made with MIRAGE
or pipelineImaging CEERS PID 1345 raw, 1, 2, 3 CEERS CEERS Team Overview and Detailed Instructions -
Mode Simulation Description Data Stage Links Credit Notes WFSS Lensing cluster
3 STScI/NIRISS AMI Binary point source AB Dor and
calibrator HD370931, 2 STScI/NIRISS SOSS WASP-43b 1, 2 Notebook (link coming soon)
STScI/NIRISS Notebook uses a slightly older simulated data set that is included with the notebook. -
Mode Simulation Description Data Stage Links Credit Notes FS Point source, A-star model spectrum 2, 3 STScI/ESA/NIRSpec BOTS GJ436b spectra from the Goyal et al. (2018) 2 ESA IFU Faint and bright quasar
2, 3 STScI/ESA/NIRSpec/Q3D IFU Single F-type star and single brown dwarf 2a, 2b, 3 Data
ReadMeSTScI/NIRSpec MOS/MSA 2a, 2b, 3 CEERS CEERS Team Overview and Detailed Instructions MOS/MSA High-Z galaxies. The first set of simulations is a DEEP pointing simulating point sources where the input spectra are taken from the JAGUAR catalogue. 2a, 2b, 3 Data: Instruction for downloading from ftp.cosmos.esa.int in ReadMe below.
ReadMe
NotebookNIRSpec GTO PID 1287 ’The physics of galaxy assembly’ survey The NIRSpec GTO Program
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The NASA James Webb Space Telescope, developed in partnership with ESA and CSA, is operated by AURA’s Space Telescope Science Institute.