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The ASDF Standard schemas

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ASDF standard 1.6.0

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This document describes the Advanced Scientific Data Format (ASDF), pronounced AZ-diff. You can read the full specification at the online documentation.

This is the Advanced Scientific Data Format - if you are looking for the Adaptable Seismic Data Format, go here:


Please open a new issue or new pull request for bugs, feedback, or new features you would like to see. If there is an issue you would like to work on, please leave a comment and we will be happy to assist. New contributions and contributors are very welcome!

There are two mailing lists for ASDF:

Getting More Information

Greenfield, P., Droettboom, M., & Bray, E. (2015). ASDF: A new data format for astronomy. Astronomy and Computing, 12: 240-251. doi:10.1016/j.ascom.2015.06.004

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