About EXOFAST

Documentation

About EXOFAST

Using the Service:
  1. Accessing EXOFAST
  2. Overview of the Inputs Tab
  3. Accepted Input File Formats:
  4. Editing and Plotting Input Files
  5. Input Parameters and Options
  6. Output Parameters and Products
  7. Accessing Previous Results
  8. Usage Tips and Troubleshooting

Recipe: Run a Simple Fit
Recipe: Run an Advanced Fit
Acknowledgments

The Exoplanet Archive has integrated Jason Eastman's EXOFAST code into its suite of web services, which provides the tool with a more robust and stable home with several enhancements.

EXOFAST has been an important fitting tool for astronomers who want to use transit light curves or radial velocity data and various inputs to create models of planet systems. For more details, refer to Eastman et al. (2013).

The Exoplanet Archive's version of EXOFAST offers the same IDL-based calculations as the original code, and also provides sufficient back-end computing resources to enable Markov Chain Monte Carlo (MCMC) analysis.

In addition, the new EXOFAST draws on the archive's database of stellar and planetary parameters, which are updated weekly based on the current literature.

Interface enhancements include:

  • Interactive tables to view, sort and filter your uploaded data before running EXOFAST.
  • A preview pane to review the first 100 rows of your uploaded time series data, providing an opportunity to do a quick quality check before running EXOFAST.
  • Full-color, interactive plots of input files, including color, line and point control.
  • A temporary history of your results from recent EXOFAST sessions, saving you the time and effort of re-running analyses.

For some sample use cases with the new interface, see the recipes for a Running a Simple Fit and Running an Advanced Fit.

If you make use of the EXOFAST service in your paper, please include the following acknowledgement:

"This paper makes use of EXOFAST (Eastman et al. 2013) as provided by the NASA Exoplanet Archive, which is operated by the California Institute of Technology, under contract with the National Aeronautics and Space Administration under the Exoplanet Exploration Program."

See the Acknowledgements page for additional citations when using code components.

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Last updated: 19 July 2017