Computer Science
Scientific paper
Mar 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999esasp.427..839s&link_type=abstract
The Universe as Seen by ISO. Eds. P. Cox & M. F. Kessler. ESA-SP 427., p. 839
Computer Science
6
Galaxies, Surveys
Scientific paper
The ISOPHOT Serendipity Survey utilized the slew time between ISO's pointed observations with strip scanning measurements of the sky in the far-infrared at 170 μ m. The slews contain information about two fundamentally different types of objects, namely (almost) unresolved galactic and extragalactic far-infrared sources as well as extended regions of galactic cirrus emission. Initial software development and data analysis emphasizes the detection of point sources. First results from an investigation of a high galactic latitude field near the North Galactic Pole indicate that the detection completeness with respect to previously known IRAS sources will be almost 100 per cent for sources with f100μ m > 2 Jy. Nevertheless, even faint sources down to a level of f170μ m ~ 1 Jy can be detected. Since the majority of the detected point sources are galaxies, the Serendipity Survey will result in a large database of ~ 2000 galaxies. The calibration will be based on photometric observations of 12 galaxies covering a large brightness range. Follow-up observations of three highly interesting cold galaxies were carried out with ISO.
Beichman Charles Arnold
Bogun Stefan
Braun Matthias
Burgdorf Martin
Efstathiou Andreas
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