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COS Instrument Handbook Cycle 23
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Cosmic Origins SpectrographInstrument Handbookfor Cycle 23 > Chapter 12: The COS Calibration Program > 12.1 Introduction

12.1
In this chapter, we provide a brief overview of the calibration observations obtained during ground testing and on-orbit through Cycle 22. Potential Cycle 23 observers should assume that all of these calibrations will be completed by the time that Cycle 23 begins.
Observers who wish to use instrument configurations that are not addressed by these calibration plans should assess their specific calibration needs and include time in their Phase I proposal for any additional calibrations that are required. Proposers who believe that more extensive calibration observations or analysis may be of general benefit to the COS user community should consider submitting a Cycle 23 Calibration Outsourcing Proposal (see the Cycle 23 Call for Proposals for details).

Cosmic Origins SpectrographInstrument Handbookfor Cycle 23 > Chapter 12: The COS Calibration Program > 12.1 Introduction

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