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Introduction



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Introduction

The program described here is a general code for modelling interstellar or intergalactic absorption features on an initial polynomial continuum which may also contain emission lines. For each absorption line the input parameters are : atomic transition, column density, thermal width and position (velocity shift).

The output spectrum is computed at a given instrumental resolution and can therefore be used for a direct comparison with observations (provided that the lines are resolved). In this case the step is completely interactive with no possibility for a ``least square approach''.





Rein Warmels
Mon Jan 22 15:08:15 MET 1996