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MAXIMA-1: A Measurement of the Cosmic Microwave Background Anisotropy on angular scales of 10 arcminutes to 5 degrees
Astrophysics · Submitted 8 May 2000
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim The spectrum shows a peak with an amplitude of 78 +/- 6 micro-Kelvin at l ~ 220 and an amplitude varying between ~40 micro-Kelvin and ~50 micro-Kelvin for 400 < l < 785.
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The abstract, sentence by sentence
We present a map and an angular power spectrum of the anisotropy of the cosmic microwave background (CMB) from the first flight of MAXIMA. MAXIMA is a balloon-borne experiment with an array of 16 bolometric photometers operated at 100 mK. MAXIMA observed a 124 square degrees region of the sky with 10 arcminute resolution at frequencies of 150, 240 and 410 GHz. The data were calibrated using in-flight measurements of the CMB dipole anisotropy. A map of the CMB anisotropy was produced from three 150 and one 240 GHz photometer without need for foreground subtractions. Analysis of this CMB map yields a power spectrum for the CMB anisotropy over the range 36 < l < 785. The spectrum shows a peak with an amplitude of 78 +/- 6 micro-Kelvin at l ~ 220 and an amplitude varying between ~40 micro-Kelvin and ~50 micro-Kelvin for 400 < l < 785.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | We present a map and an angular power spectrum of the anisotropy of the cosmic microwave background (CMB) from the first flight of MAXIMA. | contribution 0.92 | 0.97 | 0.17 | asserted 1.00 |
| s1 | MAXIMA is a balloon-borne experiment with an array of 16 bolometric photometers operated at 100 mK. | method 1.00 | 0.53 | 0.02 | asserted 1.00 |
| s2 | MAXIMA observed a 124 square degrees region of the sky with 10 arcminute resolution at frequencies of 150, 240 and 410 GHz. | method 0.99 | 0.95 | 0.03 | asserted 1.00 |
| s3 | The data were calibrated using in-flight measurements of the CMB dipole anisotropy. | method 1.00 | 0.84 | 0.02 | asserted 1.00 |
| s4 | A map of the CMB anisotropy was produced from three 150 and one 240 GHz photometer without need for foreground subtractions. | method 0.72 | 0.95 | 0.05 | asserted 1.00 |
| s5 | Analysis of this CMB map yields a power spectrum for the CMB anisotropy over the range 36 < l < 785. | result 0.43 | 0.96 | 0.22 | asserted 1.00 |
| s6 | The spectrum shows a peak with an amplitude of 78 +/- 6 micro-Kelvin at l ~ 220 and an amplitude varying between ~40 micro-Kelvin and ~50 micro-Kelvin for 400 < l < 785. | result 1.00 | 0.96 | 0.67 | asserted 1.00 |
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The paper
Original abstract
We present a map and an angular power spectrum of the anisotropy of the cosmic microwave background (CMB) from the first flight of MAXIMA. MAXIMA is a balloon-borne experiment with an array of 16 bolometric photometers operated at 100 mK. MAXIMA observed a 124 square degrees region of the sky with 10 arcminute resolution at frequencies of 150, 240 and 410 GHz. The data were calibrated using in-flight measurements of the CMB dipole anisotropy. A map of the CMB anisotropy was produced from three 150 and one 240 GHz photometer without need for foreground subtractions. Analysis of this CMB map yields a power spectrum for the CMB anisotropy over the range 36 < l < 785. The spectrum shows a peak with an amplitude of 78 +/- 6 micro-Kelvin at l ~ 220 and an amplitude varying between ~40 micro-Kelvin and ~50 micro-Kelvin for 400 < l < 785.
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References
How the literature uses it
29 arXiv papers cite this in 29 sentences
Papers citing it · 18 sentences without a confident label
Uses its data or values 4 papers
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We employ the CMB datasets from WMAP-5yr [ref] , BOOMERANG [ref] , ACBAR [ref] , CBI [ref] , VSA [ref] , DASI [ref] , and MAXIMA [ref] .
Cosmological Constraints on Decaying Dark Matter · Decaying Cold Dark Matter Cosmology · 1.00
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Our complete CMB data sets include WMAP-5yr [ref] , BOOMERANG [ref] , ACBAR [ref] , CBI [ref] , VSA [ref] , DASI [ref] , and MAXIMA [ref] .
Particle Production During Inflation: Observational Constraints and Signatures · Data Sets and Analysis · 1.00
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In 2000-2001, the Boomerang, DASI, and MAXIMA experiments [ref] reported robust detections of the first acoustic peak in the CMB temperature anisotropy angular power spectrum at an angular scale of about 1 degree, as expected for a nearly flat Universe.
Lectures on Dark Energy and Cosmic Acceleration · Cosmic Microwave Background Anisotropy · 0.80
Cites it as background 7 papers
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To explain the observed late-time cosmic acceleration of the Universe [ref] , one can consider either a fundamental cosmological constant $Λ$, which, for example, could be interpreted as an intrinsic geometric property of the space-time, or a dark energy, an ambiguous fluid component, of yet unknown physical origin, which spreads throughout the whole Universe, and which would mimic a cosmological constant.
Astrophysical and electromagnetic emissivity properties of black holes surrounded by a quintessence type exotic fluid in the Scalar-Vector-Tensor Modified Gravity · Introduction · 0.80
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Meanwhile, mapping out the anisotropies in the cosmic microwave background (CMB) radiation, starting with the ground-breaking COBE results [ref] , and continuing with increasingly precise measurements [ref] that led to the full-sky maps by WMAP [ref] and Planck [ref] experiments, as well as mapping of the CMB anisotropy on smaller angular scales [ref] , revolutionised the field of cosmology by providing percent-level constraints on key cosmological parameters.
DESI 2024 VI: Cosmological Constraints from the Measurements of Baryon Acoustic Oscillations · Introduction · 0.96
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These are imprinted not only on the temperature power spectrum of the cosmic microwave background (CMB), as detected convincingly for the first time around the turn of the millennium [ref] , but also on the power spectrum of matter and galaxies.
Redshift-Space Enhancement of Line-of-Sight Baryon Acoustic Oscillations in the SDSS Main-Galaxy Sample · Introduction · 0.81
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