First Results from Viper: Detection of Small-Scale Anisotropy at 40 GHZ

C. M. Cantalupo; D. L. Alvarez; D. Morgan; D. Pernic; G. S. Griffin; J. B. Peterson; K. Ganga; K. W. Miller; M. G. Newcomb; M. Thoma

arxiv: astro-ph/9910503 · v1 · submitted 1999-10-28 · 🌌 astro-ph

First Results from Viper: Detection of Small-Scale Anisotropy at 40 GHZ

J. B. Peterson , G. S. Griffin , M. G. Newcomb , D. L. Alvarez , C. M. Cantalupo , D. Morgan , K. W. Miller , K. Ganga

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D. Pernic M. Thoma

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keywords anisotropybandscenteredresultssmall-scaleviperbackgroundband-power

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Results of a search for small-scale anisotropy in the cosmic microwave background (CMB) are presented. Observations were made at the South Pole using the Viper telescope, with a .26 degree (FWHM) beam and a passband centered at 40 GHz. Anisotropy band-power measurements in bands centered at l = 108, 173, 237, 263, 422 and 589 are reported. Statistically significant anisotropy is detected in all bands.

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First Results from Viper: Detection of Small-Scale Anisotropy at 40 GHZ

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