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Hubble Space Telescope
COS Documents

Newletters (STANs) Space Telescope Analysis Newsletters (STANs) are sent to observers via email, whenever there is news that may affect observation planning or analysis.
Instrument Handbook The Instrument Handbook is the primary guide to the characteristics and use of the instrument. It is also available in PDF format.
Data Handbook The HST Data Handbook is the primary reference for data format and analysis information.
Instrument Science Reports ISRs are technical reports written by the COS Group staff about various aspects of the instrument and data. They usually contain in depth information about a specific topic.
Calibration Workshop Papers The 2010 workshop presentations included a variety of COS-related subjects ranging from its commissioning and characterization to the most recent advances in data calibration.
220th AAS Posters COS posters presented at the 220th American Astronomical Society Conference in June 2012.
215th AAS Posters COS posters presented at the 215th American Astronomical Society Conference in January 2010.
Information Brochure May 2012 The COS Information Brochure contains an overview of the instrument's capabilities (PDF).

Document Request

If you wish to obtain a paper copy of any of our documents please use the attached form. Be sure to give us an email address and a postal address so we can be sure that the requested documents reach you.

New in the Last 45 Days

June 2015 STAN
In this STAN we inform Cycle 23 users who are preparing to submit a Phase 2 of a new mandatory keyword selection and that using TIME-TAG mode is recommended.
COS+STIS Team 29 Jun 2015

ISR 2015-02: Summary of the COS Cycle 20 Calibration Program
We summarize the Cycle 20 calibration program for the Cosmic Origins Spectrograph (COS) on the Hubble Space Telescope, covering the time period from November 2012 through October 2013. We give an overview of the Calibration plan and status summaries for each of the individual proposals comprising the C20 Calibration program.
J. Roman-Duval 11 Jun 2015 (pdf)

ISR 2015-01: The COS/FUV Focus Sweep Program at Lifetime Position 3 (LENA2/13635)
We present the results from the focus sweeps performed in July 2014 in preparation for the move to lifetime position 3 with the G130M, G160M, and G140L gratings using the bright stars Feige 48 and AzV75 as targets.
A. Fox 20 May 2015 (pdf)