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Paper: A Spectroscopy Exposure Time Calculator for IRAF
Volume: 216, Astronomical Data Analysis Software and Systems IX
Page: 659
Authors: Valdes, F. G.
Abstract: This paper describes a new IRAF spectroscopy exposure time calculator. It is intended to provide reasonable estimates of exposure times for observations. A simple component model is used for the optical elements Each component is described by simple text files. This makes the task very general and easily configurable by different sites and instruments. The input spectrum can be chosen from several models as well as a user spectrum. The output consists of text information and graphs over various quantities over the wavelength of observation. The task can be used with various user interfaces such as the IRAF CL, IRAF scripts, a web form, or a GUI. The tool is in use at NOAO through a web interface to assist in proposal preparation.
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