COS Data Handbook
Version 6.0 - August 2025
Cosmic Origins Spectrograph Data Handbook
Table of Contents
User Support
Please contact the HST Help Desk at https://stsci.service-now.com/hst for assistance, where you can submit your questions directly to the appropriate team of experts.
Additional Resources
Information and other resources are available on the COS website:
Revision History
Version | Date | Editor |
|---|---|---|
| 6.0 | August 2025 | Nick Indriolo |
| 5.1 | November 2022 | David Soderblom |
| 5.0 | August 2021 | David Soderblom |
4.0 | May 2018 | Marc Rafelski |
3.0 | October 2015 | Andrew Fox |
2.0 | January 2013 | Derck Massa, Brian York and Svea Hernandez |
1.0 | March 2009 | Brittany Shaw, Derck Massa, and Mary Elizabeth Kaiser |
Authorship
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 Tom Ake, John Debes, Leonardo Dos Santos, Travis Fischer, William Fischer, David French, Elaine Mae Frazer, Sten Hasselquist, Jacqueline Hernandez, Svea Hernandez, Robert Jedrzejewski, Christian Johnson, Lauren Miller, Anna Payne, Marc Rafelski, David Sahnow, Ravi Sankrit, David Soderblom, and Debopam Som.
Citation
In publications, please refer to this document as
- Indriolo, N., et al. 2025, COS Data Handbook, Version 6.0, (Baltimore: STScI).
-
COS Data Handbook
- Introduction
- Chapter 1: COS Overview
- Chapter 2: COS Data Files
- Chapter 3: COS Calibration
- Chapter 4: COS Error Sources
- Chapter 5: COS Data Analysis
- Appendix A: COS Lifetime Positions
- Appendix B: COS High Voltage History
- Appendix C: Hubble Advanced Spectral Products (HASP)
- • List of Figures
- • List of Tables