Page History
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| This space is Under Construction. The layout is entirely notional at present. |
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The latest release of the Pandeia engine is $version .
- get the latest engine release
- see its installation instructions
- see its release notes and known issues
- for now these are text files
get the Webb data | get the Roman data
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Next Planned Release
The next planned release will occur on approximately $date
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Highlights include:
- list of high level items
Click here for draft engine release notes
question: do we need a separate fields for engine release notes & engine known issues? so far we have been doing laborious manual work to do this at release time. Yes, we think we do.
What support is available?
Nice carefully crafted statement about level of support
What is the Pandeia Engine?
The Pandeia engine uses a pixel-based 3-dimensional approach to perform calculations on small (typically a few arcseconds) 2-dimensional user-created astronomical scenes. It models both the spatial and the wavelength dimensions, using realistic point spread functions (produced using WebbPSF) for each instrument mode. It natively handles correlated read noise, inter-pixel capacitance, and saturation. Since the signal and noise are modeled for individual detector pixels, the ETC is able to replicate many of the steps that observers will perform when calibrating and reducing their JWST data. This simplifies interpretation of the extracted signal-to-noise ratio (SNR) calculated by the ETC.
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| While the JWST ETC includes many effects not typically included in other ETCs, it is not an observation simulator. It does not simulate the full detector, nor does it include 2-dimensional effects such as distortion. |
Details on the algorithms used to compute signal and noise on the detector and the strategies used to compute the extracted products can be found in Pontoppidan et al. 2016.
Say something nice here about who this page is for
Please answer a ((brief questionnaire)) to help us understand our users.
The latest version of the Pandeia engine is $version .
get the engine | get the Webb data | get the Roman data
Nice carefully crafted statement about level of support
