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| # exoplanet | ||
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| <p> | ||
| <a href="https://github.com/exoplanet-dev/exoplanet"> | ||
| <img src="https://img.shields.io/badge/GitHub-exoplanet--dev%2Fexoplanet-blue.svg?style=flat"></a> | ||
| <a href="https://github.com/exoplanet-dev/exoplanet/blob/master/LICENSE"> | ||
| <img src="https://img.shields.io/badge/license-MIT-blue.svg?style=flat"></a> | ||
| <a href="https://zenodo.org/badge/latestdoi/138077978"> | ||
| <img src="https://zenodo.org/badge/138077978.svg"></a> | ||
| <a | ||
| href="https://docs.google.com/viewer?url=https://github.com/exoplanet-dev/paper/raw/master-pdf/paper/exoplanet.pdf"> | ||
| <img src="https://img.shields.io/badge/read-the_paper_draft-blue.svg?style=flat"></a> | ||
| <a href="https://docs.exoplanet.codes/en/latest"> | ||
| <img src="https://img.shields.io/badge/read-the_docs-blue.svg?style=flat"></a> | ||
| <br> | ||
| <a href="https://github.com/exoplanet-dev/exoplanet/actions"> | ||
| <img src="https://img.shields.io/github/workflow/status/exoplanet-dev/exoplanet/Tests?style=flat&label=tests"></a> | ||
| <a href="https://dev.azure.com/foremanmackey/exoplanet/_build?definitionId=15"> | ||
| <img | ||
| src="https://img.shields.io/azure-devops/build/foremanmackey/exoplanet/15/master?label=paper&style=flat"></a> | ||
| <a href="https://dev.azure.com/foremanmackey/exoplanet/_build?definitionId=14"> | ||
| <img | ||
| src="https://img.shields.io/azure-devops/build/foremanmackey/exoplanet/14/master?label=docs&style=flat"></a> | ||
| <br> | ||
| <a href="https://rodluger.github.io/starry"> | ||
| <img src="https://img.shields.io/badge/powered_by-starry-EB5368.svg?style=flat"></a> | ||
| <a href="https://celerite.readthedocs.io"> | ||
| <img src="https://img.shields.io/badge/powered_by-celerite-EB5368.svg?style=flat"></a> | ||
| <a href="https://docs.pymc.io"> | ||
| <img src="https://img.shields.io/badge/powered_by-PyMC3-EB5368.svg?style=flat"></a> | ||
| <a href="http://www.astropy.org"> | ||
| <img src="https://img.shields.io/badge/powered_by-AstroPy-EB5368.svg?style=flat"></a> | ||
| <a href="https://github.com/rodluger/corTeX"> | ||
| <img src="https://img.shields.io/badge/powered_by-corTeX-EB5368.svg?style=flat"></a> | ||
| </p> | ||
| Fast & scalable MCMC for all your exoplanet needs! | ||
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| _exoplanet_ is a toolkit for probabilistic modeling of transit and/or | ||
| radial velocity observations of | ||
| [exoplanets](https://en.wikipedia.org/wiki/Exoplanet) and other | ||
| astronomical time series using [PyMC3](https://docs.pymc.io). _PyMC3_ 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 _PyMC3_'s language to support many of the custom | ||
| functions and distributions required when fitting exoplanet datasets. | ||
| These features include: | ||
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| - A fast and robust solver for Kepler's equation. | ||
| - Scalable Gaussian Processes using | ||
| [celerite](https://celerite.readthedocs.io). | ||
| - Fast and accurate limb darkened light curves using | ||
| [starry](https://rodluger.github.io/starry). | ||
| - Common reparameterizations for [limb darkening | ||
| parameters](https://arxiv.org/abs/1308.0009), and [planet radius and | ||
| impact parameter](https://arxiv.org/abs/1811.04859). | ||
| - And many others! | ||
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||
| All of these functions and distributions include methods for efficiently | ||
| calculating their _gradients_ so that they can be used with | ||
| gradient-based inference methods like [Hamiltonian Monte | ||
| Carlo](https://arxiv.org/abs/1206.1901), [No U-Turns | ||
| Sampling](https://arxiv.org/abs/1111.4246), and [variational | ||
| inference](https://arxiv.org/abs/1603.00788). These methods tend to be | ||
| more robust than the methods more commonly used in astronomy (like | ||
| [ensemble samplers](https://emcee.readthedocs.io) and [nested | ||
| sampling](https://ccpforge.cse.rl.ac.uk/gf/project/multinest/)) | ||
| especially when the model has more than a few parameters. For many | ||
| exoplanet applications, _exoplanet_ (the code) can improve the typical | ||
| performance by orders of magnitude. | ||
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| _exoplanet_ is being actively developed in [a public repository on | ||
| GitHub](https://github.com/exoplanet-dev/exoplanet) so if you have any trouble, | ||
| [open an issue](https://github.com/exoplanet-dev/exoplanet/issues) there. | ||
| Read the documentation at [docs.exoplanet.codes](https://docs.exoplanet.codes). |
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| <p> | ||
| <a href="https://github.com/exoplanet-dev/exoplanet"> | ||
| <img src="https://img.shields.io/badge/GitHub-exoplanet--dev%2Fexoplanet-blue.svg?style=flat" /></a> | ||
|
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||
| <a href="https://github.com/exoplanet-dev/exoplanet/blob/{{this_branch}}/LICENSE"> | ||
| <img src="https://img.shields.io/badge/license-MIT-blue.svg?style=flat" /></a> | ||
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||
| <a href="https://zenodo.org/badge/latestdoi/138077978"> | ||
| <img src="https://zenodo.org/badge/138077978.svg" /></a> | ||
| <img | ||
| src="https://img.shields.io/badge/GitHub-exoplanet--dev%2Fexoplanet-blue.svg?style=flat" | ||
| /></a> | ||
|
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| <a | ||
| href="https://docs.google.com/viewer?url=https://github.com/exoplanet-dev/paper/raw/master-pdf/paper/exoplanet.pdf"> | ||
| <img src="https://img.shields.io/badge/read-the_paper_draft-blue.svg?style=flat" /></a> | ||
| href="https://github.com/exoplanet-dev/exoplanet/blob/{{this_branch}}/LICENSE" | ||
| > | ||
| <img src="https://img.shields.io/badge/license-MIT-blue.svg?style=flat" | ||
| /></a> | ||
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||
| <a href="https://docs.exoplanet.codes/en/master"> | ||
| <img src="https://img.shields.io/badge/read-the_docs-blue.svg?style=flat" /></a> | ||
| <a href="https://zenodo.org/badge/latestdoi/138077978"> | ||
| <img src="https://zenodo.org/badge/138077978.svg" | ||
| /></a> | ||
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| <br /> | ||
| <a href="https://github.com/exoplanet-dev/exoplanet/actions"> | ||
| <img src="https://img.shields.io/github/workflow/status/exoplanet-dev/exoplanet/Tests?style=flat&label=tests" /></a> | ||
| <img | ||
| src="https://img.shields.io/github/workflow/status/exoplanet-dev/exoplanet/Tests?style=flat&label=tests" | ||
| /></a> | ||
|
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||
| <a href="https://dev.azure.com/foremanmackey/exoplanet/_build?definitionId=15"> | ||
| <img src="https://img.shields.io/azure-devops/build/foremanmackey/exoplanet/15/master?label=paper&style=flat" /></a> | ||
| <a | ||
| href="https://dev.azure.com/foremanmackey/exoplanet/_build?definitionId=15" | ||
| > | ||
| <img | ||
| src="https://img.shields.io/azure-devops/build/foremanmackey/exoplanet/15/master?label=paper&style=flat" | ||
| /></a> | ||
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||
| <a href="https://dev.azure.com/foremanmackey/exoplanet/_build?definitionId=14"> | ||
| <img src="https://img.shields.io/azure-devops/build/foremanmackey/exoplanet/14/master?label=docs&style=flat" /></a> | ||
| <a | ||
| href="https://dev.azure.com/foremanmackey/exoplanet/_build?definitionId=14" | ||
| > | ||
| <img | ||
| src="https://img.shields.io/azure-devops/build/foremanmackey/exoplanet/14/master?label=docs&style=flat" | ||
| /></a> | ||
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| <br /> | ||
| <a href="https://rodluger.github.io/starry"> | ||
| <img src="https://img.shields.io/badge/powered_by-starry-EB5368.svg?style=flat" /></a> | ||
| <img | ||
| src="https://img.shields.io/badge/powered_by-starry-EB5368.svg?style=flat" | ||
| /></a> | ||
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||
| <a href="https://celerite.readthedocs.io"> | ||
| <img src="https://img.shields.io/badge/powered_by-celerite-EB5368.svg?style=flat" /></a> | ||
| <a href="https://celerite2.readthedocs.io"> | ||
| <img | ||
| src="https://img.shields.io/badge/powered_by-celerite-EB5368.svg?style=flat" | ||
| /></a> | ||
|
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||
| <a href="https://docs.pymc.io"> | ||
| <img src="https://img.shields.io/badge/powered_by-PyMC3-EB5368.svg?style=flat" /></a> | ||
| <img | ||
| src="https://img.shields.io/badge/powered_by-PyMC3-EB5368.svg?style=flat" | ||
| /></a> | ||
|
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||
| <a href="http://www.astropy.org"> | ||
| <img src="https://img.shields.io/badge/powered_by-AstroPy-EB5368.svg?style=flat" /></a> | ||
|
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||
| <a href="https://github.com/rodluger/corTeX"> | ||
| <img src="https://img.shields.io/badge/powered_by-corTeX-EB5368.svg?style=flat" /></a> | ||
| <img | ||
| src="https://img.shields.io/badge/powered_by-AstroPy-EB5368.svg?style=flat" | ||
| /></a> | ||
| </p> |