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    Galactic Foregrounds in Owens Valley Radio Observatory and UCSB South Pole 1994 Cosmic Microwave Background Anisotropy Data

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    Date
    2002-11
    Author
    Mukherjee, P.
    Dennison, B.
    Ratra, B.
    Simonetti, John H.
    Ganga, K.
    Hamilton, J. C.
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    Abstract
    We study Galactic emission foreground contamination of the Owens Valley Radio Observatory and UCSB South Pole 1994 cosmic microwave background anisotropy data by cross-correlating with templates of infrared dust emission and new high-resolution Virginia Tech Spectral Line Survey (VTSS) and Southern Halpha Sky Survey Atlas (SHASSA) Halpha data. Halpha 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.
    URI
    http://hdl.handle.net/10919/25853
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    • Scholarly Articles, Institute for Particle, Nuclear and Astronomical Sciences (IPNAS) [50]
    • Scholarly Works, Department of Physics [845]

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