ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] The telescope comprised a silicon of 10 cm (F=0.8) and an array of three PbS detectors attached to the focal plane, each of which had a 3 3 field of view. The whole optical system was cooled by liquid nitrogen to reduce the background thermal radiation and improve the detector sensitivity. The ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/261029a0
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