Mapping the cosmic microwave background anisotropy: The first flight of the QMAP experiment

Mark J. Devlin; Angelica De Oliveira-Costa; Tom Herbig; Amber D. Miller; C. Barth Netterfield; Lyman A. Page; Max Tegmark

doi:10.1086/311769

Mapping the cosmic microwave background anisotropy: The first flight of the QMAP experiment

Mark J. Devlin, Angelica De Oliveira-Costa, Tom Herbig, Amber D. Miller, C. Barth Netterfield, Lyman A. Page, Max Tegmark

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26 Scopus citations

Abstract

We report on the first flight of the balloon-borne QMAP experiment. The experiment is designed to make a map of the cosmic microwave background (CMB) anisotropy on angular scales from 0°.70 to several degrees. Using the map, we determine the angular power spectrum of the anisotropy in multipole bands from l ∼ 40 to l ∼ 140. The results are consistent with the SK (from Saskatoon, Saskatchewan, Canada) measurements. The frequency spectral index (measured at low l) is consistent with that of CMB and inconsistent with either Galactic synchrotron or free-free emission. The instrument, measurement, analysis of the angular power spectrum, and possible systematic errors are discussed.

Original language	English (US)
Pages (from-to)	L69-L72
Journal	Astrophysical Journal
Volume	509
Issue number	2 PART 2
DOIs	https://doi.org/10.1086/311769
State	Published - Dec 20 1998

All Science Journal Classification (ASJC) codes

Astronomy and Astrophysics
Space and Planetary Science

Keywords

Cosmic microwave background
Cosmology: Observations

Access to Document

10.1086/311769

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title = "Mapping the cosmic microwave background anisotropy: The first flight of the QMAP experiment",

abstract = "We report on the first flight of the balloon-borne QMAP experiment. The experiment is designed to make a map of the cosmic microwave background (CMB) anisotropy on angular scales from 0°.70 to several degrees. Using the map, we determine the angular power spectrum of the anisotropy in multipole bands from l ∼ 40 to l ∼ 140. The results are consistent with the SK (from Saskatoon, Saskatchewan, Canada) measurements. The frequency spectral index (measured at low l) is consistent with that of CMB and inconsistent with either Galactic synchrotron or free-free emission. The instrument, measurement, analysis of the angular power spectrum, and possible systematic errors are discussed.",

keywords = "Cosmic microwave background, Cosmology: Observations",

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T2 - The first flight of the QMAP experiment

AU - Devlin, Mark J.

AU - De Oliveira-Costa, Angelica

AU - Herbig, Tom

AU - Miller, Amber D.

AU - Netterfield, C. Barth

AU - Page, Lyman A.

AU - Tegmark, Max

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AB - We report on the first flight of the balloon-borne QMAP experiment. The experiment is designed to make a map of the cosmic microwave background (CMB) anisotropy on angular scales from 0°.70 to several degrees. Using the map, we determine the angular power spectrum of the anisotropy in multipole bands from l ∼ 40 to l ∼ 140. The results are consistent with the SK (from Saskatoon, Saskatchewan, Canada) measurements. The frequency spectral index (measured at low l) is consistent with that of CMB and inconsistent with either Galactic synchrotron or free-free emission. The instrument, measurement, analysis of the angular power spectrum, and possible systematic errors are discussed.

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