Multi-Resolution Imaging and Spectra of Extended Sources

Details Multi-Resolution Imaging and Spectra of Extended Sources Multi-Resolution Imaging and Spectra of Extended Sources

1999-10-12

arxiv.org/abs/astro-ph/9910203v1

New Astron.Rev. 46 (2002) 101-103

Astronomy and Astrophysics

Astrophysics

4 pages, 1 figure, proceedings from 1999 'Life Cycles of Radio Galaxies' workshop at STScI in Baltimore, MD

Scientific paper

10.1016/S1387-6473(01)00163-4

I introduce a straightforward technique for the filtering of extended astronomical images into components of different spatial scales. For a positive original image, each component is positive definite, and the sum of all components equals the original image. In this way, the components are each individually suitable for flux measurements and broadband spectra calculations. I present an illustration of this technique on the radio galaxy Cygnus~A.

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