Cosmic Microwave Background Anisotropy Measurement From Python V
We analyze observations of the microwave sky made with the Python experiment in its fifth year of operation at the Amundsen-Scott South Pole Station in Antarctica. After modeling the noise and constructing a map, we extract the cosmic signal from the data. We simultaneously estimate the angular powe...
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ftdatacite:10.48550/arxiv.astro-ph/0112506 2023-05-15T13:24:26+02:00 Cosmic Microwave Background Anisotropy Measurement From Python V Coble, K. Dodelson, S. Dragovan, M. Ganga, K. Knox, L. Kovac, J. Ratra, B. Souradeep, T. 2001 https://dx.doi.org/10.48550/arxiv.astro-ph/0112506 https://arxiv.org/abs/astro-ph/0112506 unknown arXiv https://dx.doi.org/10.1086/345714 Assumed arXiv.org perpetual, non-exclusive license to distribute this article for submissions made before January 2004 http://arxiv.org/licenses/assumed-1991-2003/ Astrophysics astro-ph FOS Physical sciences article-journal Article ScholarlyArticle Text 2001 ftdatacite https://doi.org/10.48550/arxiv.astro-ph/0112506 https://doi.org/10.1086/345714 2022-04-01T16:49:48Z We analyze observations of the microwave sky made with the Python experiment in its fifth year of operation at the Amundsen-Scott South Pole Station in Antarctica. After modeling the noise and constructing a map, we extract the cosmic signal from the data. We simultaneously estimate the angular power spectrum in eight bands ranging from large (l ~ 40) to small (l ~ 260) angular scales, with power detected in the first six bands. There is a significant rise in the power spectrum from large to smaller (l ~ 200) scales, consistent with that expected from acoustic oscillations in the early Universe. We compare this Python V map to a map made from data taken in the third year of Python. Python III observations were made at a frequency of 90 GHz and covered a subset of the region of the sky covered by Python V observations, which were made at 40 GHz. Good agreement is obtained both visually (with a filtered version of the map) and via a likelihood ratio test. : 28 pages, ApJ accepted, to appear v584 n2 ApJ Feb 20, 2003 Text Amundsen-Scott Antarc* Antarctica South pole South pole DataCite Metadata Store (German National Library of Science and Technology) South Pole Amundsen-Scott ENVELOPE(0.000,0.000,-90.000,-90.000) Amundsen Scott South Pole Station ENVELOPE(0.000,0.000,-90.000,-90.000) Amundsen-Scott South Pole Station ENVELOPE(139.273,139.273,-89.998,-89.998) |
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DataCite Metadata Store (German National Library of Science and Technology) |
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topic |
Astrophysics astro-ph FOS Physical sciences |
spellingShingle |
Astrophysics astro-ph FOS Physical sciences Coble, K. Dodelson, S. Dragovan, M. Ganga, K. Knox, L. Kovac, J. Ratra, B. Souradeep, T. Cosmic Microwave Background Anisotropy Measurement From Python V |
topic_facet |
Astrophysics astro-ph FOS Physical sciences |
description |
We analyze observations of the microwave sky made with the Python experiment in its fifth year of operation at the Amundsen-Scott South Pole Station in Antarctica. After modeling the noise and constructing a map, we extract the cosmic signal from the data. We simultaneously estimate the angular power spectrum in eight bands ranging from large (l ~ 40) to small (l ~ 260) angular scales, with power detected in the first six bands. There is a significant rise in the power spectrum from large to smaller (l ~ 200) scales, consistent with that expected from acoustic oscillations in the early Universe. We compare this Python V map to a map made from data taken in the third year of Python. Python III observations were made at a frequency of 90 GHz and covered a subset of the region of the sky covered by Python V observations, which were made at 40 GHz. Good agreement is obtained both visually (with a filtered version of the map) and via a likelihood ratio test. : 28 pages, ApJ accepted, to appear v584 n2 ApJ Feb 20, 2003 |
format |
Text |
author |
Coble, K. Dodelson, S. Dragovan, M. Ganga, K. Knox, L. Kovac, J. Ratra, B. Souradeep, T. |
author_facet |
Coble, K. Dodelson, S. Dragovan, M. Ganga, K. Knox, L. Kovac, J. Ratra, B. Souradeep, T. |
author_sort |
Coble, K. |
title |
Cosmic Microwave Background Anisotropy Measurement From Python V |
title_short |
Cosmic Microwave Background Anisotropy Measurement From Python V |
title_full |
Cosmic Microwave Background Anisotropy Measurement From Python V |
title_fullStr |
Cosmic Microwave Background Anisotropy Measurement From Python V |
title_full_unstemmed |
Cosmic Microwave Background Anisotropy Measurement From Python V |
title_sort |
cosmic microwave background anisotropy measurement from python v |
publisher |
arXiv |
publishDate |
2001 |
url |
https://dx.doi.org/10.48550/arxiv.astro-ph/0112506 https://arxiv.org/abs/astro-ph/0112506 |
long_lat |
ENVELOPE(0.000,0.000,-90.000,-90.000) ENVELOPE(0.000,0.000,-90.000,-90.000) ENVELOPE(139.273,139.273,-89.998,-89.998) |
geographic |
South Pole Amundsen-Scott Amundsen Scott South Pole Station Amundsen-Scott South Pole Station |
geographic_facet |
South Pole Amundsen-Scott Amundsen Scott South Pole Station Amundsen-Scott South Pole Station |
genre |
Amundsen-Scott Antarc* Antarctica South pole South pole |
genre_facet |
Amundsen-Scott Antarc* Antarctica South pole South pole |
op_relation |
https://dx.doi.org/10.1086/345714 |
op_rights |
Assumed arXiv.org perpetual, non-exclusive license to distribute this article for submissions made before January 2004 http://arxiv.org/licenses/assumed-1991-2003/ |
op_doi |
https://doi.org/10.48550/arxiv.astro-ph/0112506 https://doi.org/10.1086/345714 |
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1766379705284427776 |