COS Instrument Handbook for Cycle 24 |

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Cosmic Origins SpectrographInstrument Handbook for Cycle 24 > Chapter 1: An Introduction to COS > 1.3 COS Quick Reference Guide

Table 1.1: COS Instrument Characteristics

Table 1.2: COS Detector Characteristics

Cs2Te (semi-transparent) MgF2 (re-entrant) 85 × 10 mm (two) 25.6 × 25.6 mm 16,384 × 1024 (two) 1024 × 1024 1024 × 1024 6 × 10 pix 3 × 3 pix 7.4 μs Count rates higher than these limits will trigger a detector shut-down. Bright-object screening limits are lower. See Chapter 10.

Table 1.3: COS Calibration Accuracies

15 km s–1 15 km s–1 150 km s–1 175 km s–1 15 km s–1 15 km s–1

Table 1.4: Useful Figures and Tables

HST focal plane and COS aperture

Cosmic Origins SpectrographInstrument Handbook for Cycle 24 > Chapter 1: An Introduction to COS > 1.3 COS Quick Reference Guide