ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] The Seyfert galaxy NGC4151 was studied during the first balloon flight of the MISO telescope7 on the 22 May 1977. The instrument consisted of a Compton coincidence detector having in this flight an aperture of 3 x 20 FWHM which was the same for both the 'single' and 'coincidence' ?-ray events. The ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/282484a0