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Prospects for High Angular Resolution in Gamma-ray Astronomy

Published online by Cambridge University Press:  13 May 2016

G.K. Skinner
G.K. Skinner*
Affiliation:
School of Physics and Astronomy, University of Birmingham, Edgbaston, Birmingham, B15 2TT, England

Abstract

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It is in the gamma-ray band, the shortest wavelength part of the electromagnetic spectrum, where diffraction limitations are least constraining, that one might hope for the highest angular resolution. The intrinsic limitations of the imaging techniques used in gamma-ray astronomy are reviewed and the feasibility of obtaining diffraction-limited angular resolution in this band discussed. It is argued that by accepting the necessity of extremely long focal lengths, sub micro arc second resolution along with enormously improved sensitivity should be achievable using diffractive lenses.

Type
Prospects for High Angular Resolution Instrumentation
Information
Symposium - International Astronomical Union , Volume 205: Galaxies and their Constituents at the Highest Angular Resolutions , 2001 , pp. 463 - 468
Copyright
Copyright © Astronomical Society of the Pacific 2001 

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