Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989esasp.296..733b&link_type=abstract
In ESA, The 23rd ESLAB Symposium on Two Topics in X Ray Astronomy. Volume 2: AGN and the X Ray Background p 733-735 (SEE N90-258
Astronomy and Astrophysics
Astronomy
1
Background Radiation, Heao 2, Imaging Techniques, X Ray Spectra, Correlation, Proportional Counters, Star Distribution, Variations, X Ray Sources
Scientific paper
The approximate arcmin angular distribution of the 1 to 3 keV X-ray background was studied with the use of Einstein Observatory Imaging Proportional Counter (IPC) data. The angular autocorrelation function on scales of approximately 5 arcmin is seen not to exceed 9 percent. Fits to the observed distribution of the fluctuations are performed. They reveal that a Euclidean source population cannot be extrapolated below the flux level where these sources produce approximately 40 percent of the 1 to 3 keV X-ray background.
Barcons Xavier
Fabian Andrea C.
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