HEAO-1 and BBXRT non-source X-ray observations

Details HEAO-1 and BBXRT non-source X-ray observations HEAO-1 and BBXRT non-source X-ray observations

Dec 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993adspr..13..231j&link_type=abstract

Advances in Space Research (ISSN 0273-1177), vol. 13, no. 12, p. (12)231-(12)240

Astronomy and Astrophysics

Astronomy

12

Background Radiation, Brightness, Cosmology, Dipole Moments, Mass Distribution, Sky Surveys (Astronomy), Variations, X Ray Astronomy, Astronomical Catalogs, Autocorrelation, Compton Effect, Heao 1, Luminosity, Red Shift, X Ray Telescopes

Scientific paper

A more appropriate title for this talk would have been 'Measurements of Large Scale Structure from X-ray Background Fluctuations'. While it has long been recognized that the X-ray Background (XRB) is primarily of a cosmological origin (with z less than a few), it has recently become apparent that surface brightness fluctuations in the surveys of the XRB can be used to trace the distribution of matter in much the same way as complete catalogs of individual objects. The distance which is probed is related to the angular resolution of the detector; for the HEAO-1 A2 experiment, which provides the best all-sky data base for the XRB in the 2-20 keV band, the effective depth is a few 100 Mpc.

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