Getting Started
Tools to help the community with planning exoplanet observations.
PandExo is both an online tool and a python package for generating instrument simulations of JWST’s NIRSpec, NIRCam, NIRISS, and MIRI, and HST’s WFC3. It uses throughput calculations from STScI’s Exposure Time Calculator, Pandeia: Pandeia + Exoplanets = PandExo. This documentation contains information on how to download, install and analyze PandExo output.
Try PandExo online through the STScI ExoCTK website.
Should I install PandExo or use the online interface?
Install if…
I will be using PandExo for more than 10 runs
I want to submit bash runs
I want to use the online GUI but don’t want to be subject to any slow downs because of high user frequency
I want to be able to use plotting functions to analyze my output
Install EVEN if…
I am scared of Python
Do not install if…
I will only be using PandExo fewer than 10 times
Requires
Python >=3.10
Installation: https://natashabatalha.github.io/PandExo/installation.html
PandExo requires downloading reference data for 1) JWST instrument info (from Pandeia), 2) JWST PSFs, 3) stellar SEDs used by synphot/stsynphot, and 4) normalization bandpasses. It also requires setting up pandeia_refdata, PSF_DIR, and PYSYN_CDBS. See installation for further instructions: https://natashabatalha.github.io/PandExo/installation.html
2 maintainers
Metadata
2 maintainers
Release files for pandexo.engine 2026.7.1
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| pandexo_engine-2026.7.1.tar.gz | 7.5 MB | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| pandexo_engine-2026.7.1-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 14.1 MB
Release files / pandexo_engine-2026.7.1.tar.gz
| Download URL | pandexo_engine-2026.7.1.tar.gz |
|---|---|
| Size | 7.5 MB |
| Tags | Source |
|
SHA-256 checksum How to use checksums |
c04b91a209dc2c18caf01f263012a97682e65903e1afd3dd4bf3009af2735441
|
|
BLAKE2b-256 checksum How to use checksums |
4e8745e29c3204ace7f8726892a3d79c84308dffebdecfef1d5bf706b94f4a42
|
| Upload date | |
|
Uploaded using Trusted Publishing? What is trusted publishing? |
Yes |
| Uploaded via |
twine/7.0.0 CPython/3.13.14
|
Provenance
Provenance describes where a file came from. On PyPI, provenance is shared via attestations, which provide a verifiable record of the build or publishing details. View details, limitations and caveats.
PyPI Publish Attestation
PyPI verified that this artifact, at this checksum, originated from the publisher listed below.
Signed by GitHub Actions, verified by PyPI on Sep 14, 2026.
Transparency logRelease files / pandexo_engine-2026.7.1-py3-none-any.whl
| Download URL | pandexo_engine-2026.7.1-py3-none-any.whl |
|---|---|
| Size | 6.6 MB |
| Tags | Python 3 |
|
SHA-256 checksum How to use checksums |
440dddffeffc8c04f70c6b88447af9d17380a04ac8256c97fb9f66fcacc2cbb3
|
|
BLAKE2b-256 checksum How to use checksums |
09c675a5a10aa942fb4ce79c06d8b3eace2777bafc61f4df19d46d1fc576b35d
|
| Upload date | |
|
Uploaded using Trusted Publishing? What is trusted publishing? |
Yes |
| Uploaded via |
twine/7.0.0 CPython/3.13.14
|
Provenance
Provenance describes where a file came from. On PyPI, provenance is shared via attestations, which provide a verifiable record of the build or publishing details. View details, limitations and caveats.
PyPI Publish Attestation
PyPI verified that this artifact, at this checksum, originated from the publisher listed below.
Signed by GitHub Actions, verified by PyPI on Sep 14, 2026.
Transparency log
