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1.1 Short Instrument Overview

The ISO Photo-polarimeter ISOPHOT spans the full wavelength range accessible to ISO, from 2.5 out to 240 $\mu$m. This coverage is achieved with various subinstruments whose wavelength range is given in the subsequent Table 1.1. For more details we refer to the ISOPHOT Observer's Manual.


 
Table 1.1:   Covered wavelength range and typical aperture sizes of ISOPHOT subinstruments. Note that for PHT-C the first aperture number denotes the pixel size, the second one the array size.
         
subinstrument detector dimension wavelength typical
      range aperture size
      [$\mu$m] [``]
         
PHT-P P1 1 3 - 17 5 - 180
  P2 1 15 - 29 23 - 180
  P3 1 40 - 130 52 - 180
PHT-C C100 3x3 40 - 130 43.5/138
  C200 2x2 100 - 240 89.4/182
PHT-S SS 1x64 2.5 - 4.8 24
  SL 1x64 5.8 - 11.8 24
PHT-S is a spectrometer with a resolution of $\lambda/\Delta\lambda \simeq 90$


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Next: 1.2 Completeness of Calibration Up: 1 Introduction Previous: 1 Introduction

ISOPHOT Calibration Accuracies, Version 2.0, SAI/98-092/Dc