The Detection Probability for Emmision Line Objects in Slitless Spectrum Surveys

Details The Detection Probability for Emmision Line Objects in Slitless Spectrum Surveys The Detection Probability for Emmision Line Objects in Slitless Spectrum Surveys

Aug 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987pasp...99..899g&link_type=abstract

Publications of the Astronomical Society of the Pacific, Vol. 99, NO. AUGUST, P. 899, 1987

Mathematics

Probability

16

Scientific paper

We present a simple model for the detectability of emission lines in slitless spectrum surveys. The model introduces the concept of detection probability for emission lines superposed on a continuum. We illustrate the detection probabilities for different equivalent widths and continuum magnitudes in the original CTIO Curtis Schmidt and 4-m surveys; they indicate that strong-lined quasars can be detected at magnitudes significantly fainter than what would normally be the limit of completeness. The model provides a useful framework for future work based on surveys which utilize digital detectors or digitized scans of photographic plates.

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