https://github.com/exoplanet-dev/exoplanet

Fast & scalable MCMC for all your exoplanet needs!
https://github.com/exoplanet-dev/exoplanet

astronomy astrophysics bayesian-inference exoplanet exoplanet-radial-velocities exoplanet-transits exoplanets gaussian-processes mcmc pymc3 time-series time-series-analysis

Last synced: 3 months ago
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Fast & scalable MCMC for all your exoplanet needs!

• Host: GitHub
• URL: https://github.com/exoplanet-dev/exoplanet
• Owner: exoplanet-dev
• License: mit
• Created: 2018-06-20T19:40:54.000Z (over 7 years ago)
• Default Branch: main
• Last Pushed: 2025-10-06T20:46:54.000Z (3 months ago)
• Last Synced: 2025-10-10T17:42:53.272Z (3 months ago)
• Topics: astronomy, astrophysics, bayesian-inference, exoplanet, exoplanet-radial-velocities, exoplanet-transits, exoplanets, gaussian-processes, mcmc, pymc3, time-series, time-series-analysis
• Language: Python
• Homepage: https://docs.exoplanet.codes
• Size: 14.8 MB
• Stars: 225
• Watchers: 19
• Forks: 54
• Open Issues: 36
• Metadata Files:
  • Readme: README.md
  • Changelog: HISTORY.rst
  • Contributing: CONTRIBUTING.md
  • License: LICENSE
  • Code of conduct: CODE_OF_CONDUCT.md
  • Citation: CITATION.cff

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# exoplanet

Fast & scalable MCMC for all your exoplanet needs! _exoplanet_ is a toolkit for

probabilistic modeling of time series data in astronomy with a focus on

observations of [exoplanets](https://en.wikipedia.org/wiki/Exoplanet), using

[PyMC](https://www.pymc.io). _PyMC_ is a flexible and high-performance

model-building language and inference engine that scales well to problems with a

large number of parameters. _exoplanet_ extends _PyMC_'s language to support

many of the custom functions and distributions required when fitting exoplanet

datasets.

Read the full documentation at [docs.exoplanet.codes](https://docs.exoplanet.codes).

## Installation

The quickest way to get started is to use [pip](https://pip.pypa.io):

```bash

python -m pip install "exoplanet[pymc]"

```

Note that you will need Python (>=3.6) installed for this to work, but then this

will install all the required dependencies.

Check out the [main installation documentation

page](https://docs.exoplanet.codes/en/latest/user/install/) for more options.

## Usage

Check out the tutorials and API docs on [the docs

page](https://docs.exoplanet.codes) for example usage and much more info. You

can also find more in-depth examples on the [exoplanet case studies

page](https://gallery.exoplanet.codes).

## Contributing

_exoplanet_ is an open-source project, and we would love it if you wanted to

contribute. Check out [the developer

documentation](https://docs.exoplanet.codes/en/latest/user/dev/) for more info

about getting started.