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Galactic foregrounds in Owens Valley Radio Observatory and UCSB South Pole 1994 cosmic microwave background anisotropy data

Abstract : We study Galactic emission foreground contamination of the OVRO and UCSB South Pole 1994 cosmic microwave background (CMB) anisotropy data by cross-correlating with templates of infrared dust emission and new high resolution $H_{\alpha}$ data. $H_{\alpha}$ data provide rough upper limits on the level of free-free emission in the data sets. The cross-correlation analysis does not contradict a two component foreground emission hypothesis, with the two dust-correlated components being free-free emission and spinning dust emission.
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http://hal.in2p3.fr/in2p3-00011101
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Submitted on : Wednesday, January 16, 2002 - 3:15:51 PM
Last modification on : Thursday, December 10, 2020 - 9:16:04 AM

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P. Mukherjee, B. Dennison, B. Ratra, J.H. Simonetti, K. Ganga, et al.. Galactic foregrounds in Owens Valley Radio Observatory and UCSB South Pole 1994 cosmic microwave background anisotropy data. The Astrophysical Journal, American Astronomical Society, 2002, 579, pp.83-92. ⟨in2p3-00011101⟩

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