Starlink Data Format

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File Format
Name Starlink Data Format
Ontology
Extension(s) .sdf

Contents

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General description

Starlink Data Format (SDF) files are a container format, primarily for astronomical data, developed by the UK Starlink Project (1980--2005).

The main 'user' of .sdf files was the same project's higher-level NDF format.

Other information

The Starlink Project[1] ran from 1980 to 2005, and has been supported, since its funding ended, by the Joint Astronomy Centre, Hawai`i. It's now now maintained by the East Asian Observatory.

There is no standard SDF MIME type. Almost all SDF files used a .sdf file extension.

Software

The Starlink software suite reads, writes and manipulates SDF files.

Sample files

Identification

SDF format changed from HDF4 to HDF5 in 2018.[2]

References

  1. The Starlink Project, https://starlink.eao.hawaii.edu/starlink/WelcomePage
  2. https://www.eaobservatory.org/jcmt/2018/11/changes-to-the-ndf-sdf-data-format/
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