Angular Power Spectra of the COBE DIRBE Maps

Details Angular Power Spectra of the COBE DIRBE Maps Angular Power Spectra of the COBE DIRBE Maps

1997-11-21

arxiv.org/abs/astro-ph/9711261v1

Astronomy and Astrophysics

Astrophysics

ApJ in press. 15 pages with 5 included figures

Scientific paper

10.1086/305345

The angular power spectra of the infrared maps obtained by the DIRBE (Diffuse InfraRed Background Experiment) instrument on the COBE satellite have been obtained by two methods: the Hauser-Peebles method previously applied to the DMR maps, and by Fourier transforming portions of the all-sky maps projected onto a plane. The two methods give consistent results, and the power spectrum of the high-latitude dust emission is C_\ell \propto \ell^{-3} in the range 2 < \ell < 300.

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