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Version 2.0January 2013 COS Data Handbook User Support For prompt answers to any question, please contact the STScI Help Desk. • E-mail: help@stsci.edu • Phone: (410) 338-1082(800) 544-8125 (U.S., toll free) World Wide Web Information and other resources are available on the COS World Wide Web site: • URL: http://www.stsci.edu/hst/cos COS Revision History Version Date Editor 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/STIS Team in the Instruments Division of STScI with the assistance of associates in the Operations and Engineering Division. Contributions to the current edition were made by T. Ake, A. Aloisi, P. Hodge, M. E. Kaiser, C. Keyes, D. Massa, C. Oliveira, R. Osten, D. Sahnow, B. Shaw, D. Soderblom, and B. York. In publications, refer to this document as: Massa, D. and York, B. et al. 2013, “COS Data Handbook”, Version 2.0, (Baltimore: STScI).