First Results from Viper: Detection of Small-scale Anisotropy at 40 GH[CLC]z[/CLC] | Zendy

J. B. Peterson | Zendy; G. S. Griffin | Zendy; M. Newcomb | Zendy; Donald L. Alvarez | Zendy; C. M. Cantalupo | Zendy; D. Morgan | Zendy; K. Miller | Zendy; K. Ganga | Zendy; D. Pernic | Zendy; Markus H. Thoma | Zendy

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First Results from Viper: Detection of Small-scale Anisotropy at 40 GH[CLC]z[/CLC]

Author(s) -

J. B. Peterson,

G. S. Griffin,

M. Newcomb,

Donald L. Alvarez,

C. M. Cantalupo,

D. Morgan,

K. Miller,

K. Ganga,

D. Pernic,

Markus H. Thoma

Publication year - 2000

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/312576

Subject(s) - anisotropy , cosmic microwave background , passband , viper , full width at half maximum , microwave , astrophysics , range (aeronautics) , physics , materials science , optics , band pass filter , chemistry , composite material , quantum mechanics , venom , biochemistry

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 0&fdg;26 (FWHM) beam and a passband centered at 40 GHz. Anisotropy band-power measurements in bands spanning the range of l in which the first acoustic peak is expected (bands centered at l=108, 173, 237, 263, 422, and 589) are reported. Statistically significant CMB anisotropy is detected in all bands.

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