COS Instrument Handbook 2.0
January 2010

Cosmic Origins Spectrograph
Instrument Handbook
for Cycle 18

User Support

For prompt answers to any question, please contact the STScI Help Desk.

•	Send e-mail to: help@stsci.edu.

•	Phone: 410-338-1082.

•	Within the USA, you may call toll free: 1-800-544-8125.

World Wide Web

Information and other resources are available on the STScI COS World Wide Web site:

http://www.stsci.edu/instruments/cos

COS Handbook History

Version	Date	Editors
2.0	January 2010	Dixon, W. V., and Niemi, S.-M.
1.0	December 2007	Soderblom, D. R.

Additional Contributors

Please see the acknowledgments.

Citation

In publications, please refer to this document as

Dixon, W. V., et al. 2010, Cosmic Origins Spectrograph Instrument Handbook, Version 2.0 (Baltimore: STScI)