Angular Power Spectra of theCOBEDIRBE Maps

1997/11/21 by Edward L. Wright, E. L. Wright · 6 citations
Physics and Astronomy · #Astro and Planetary Science #Astronomy #Astrophysics #Geography #Physics #Planetary Science and Exploration #Power (physics) #Stellar, planetary, and galactic studies #astro-ph

paper · pdf · doi:10.1086/305345

ApJ in press. 15 pages with 5 included figures

arxiv created 1997/11/21 · openalex publication_date 1998/03/20 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

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_ℓ ∝ ℓ^-3 in the range 2 < ℓ < 300.

Citations

• The COBE mission - Its design and performance two years after launch
• Infrared cirrus - New components of the extended infrared emission

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