COS Data Handbook

Version 5.1 - November 2022

PDF version

Cosmic Origins Spectrograph Data Handbook

Table of Contents

User Support

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Additional Resources

Information and other resources are available on the COS website:

Revision History




5.1November 2022David Soderblom
5.0August 2021David Soderblom


May 2018

Marc Rafelski
Senior Technical Editors: Susan Rose and Sharon Toolan


October 2015

Andrew Fox
Senior Technical Editor: Susan Rose


January 2013

Derck Massa, Brian York and Svea Hernandez


March 2009

Brittany Shaw, Derck Massa, and Mary Elizabeth Kaiser


This document is written and maintained by the COS Team in the Instruments Division of STScI with the assistance of associates in the Operations and Engineering Division. Contributions to the current edition were also made by COS team members John Debes, Serge Dieterich, Travis Fischer, William Fischer, Elaine Mae Frazer, David French, Sierra Gomez, Sten Hasselquist, Alec Hirschauer, Nick Indriolo, Bethan James, Robert Jedrzejewski, Christian Johnson, Darshan Kakkad, Nathaniel Kerman, Lauren Miller, Rachel Plesha, Marc Rafelski, Julia Roman-Duval, Kate Rowlands, David Sahnow, and Ravi Sankrit.


In publications, please refer to this document as

  • Soderblom, D., et al. 2022, COS Data Handbook, Version 5.1, (Baltimore: STScI).