MAPS OF THE MAGELLANIC CLOUDS FROM COMBINED SOUTH POLE TELESCOPE AND PLANCK DATA
We present maps of the Large and Small Magellanic Clouds from combined South Pole Telescope (SPT) and Planck data. The Planck satellite observes in nine bands, while the SPT data used in this work were taken with the three-band SPT-SZ camera, The SPT-SZ bands correspond closely to three of the nine...
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ndltd-arizona.edu-oai-arizona.openrepository.com-10150-6226992017-03-03T03:00:44Z MAPS OF THE MAGELLANIC CLOUDS FROM COMBINED SOUTH POLE TELESCOPE AND PLANCK DATA Crawford, T. M. Chown, R. Holder, G. P. Aird, K. A. Benson, B. A. Bleem, L. E. Carlstrom, J. E. Chang, C. L. Cho, H-M. Crites, A. T. Haan, T. de Dobbs, M. A. George, E. M. Halverson, N. W. Harrington, N. L. Holzapfel, W. L. Hou, Z. Hrubes, J. D. Keisler, R. Knox, L. Lee, A. T. Leitch, E. M. Luong-Van, D. Marrone, D. P. McMahon, J. J. Meyer, S. S. Mocanu, L. M. Mohr, J. J. Natoli, T. Padin, S. Pryke, C. Reichardt, C. L. Ruhl, J. E. Sayre, J. T. Schaffer, K. K. Shirokoff, E. Staniszewski, Z. Stark, A. A. Story, K. T. Vanderlinde, K. Vieira, J. D. Williamson, R. Univ Arizona, Steward Observ Magellanic Clouds methods: data analysis We present maps of the Large and Small Magellanic Clouds from combined South Pole Telescope (SPT) and Planck data. The Planck satellite observes in nine bands, while the SPT data used in this work were taken with the three-band SPT-SZ camera, The SPT-SZ bands correspond closely to three of the nine Planck bands, namely those centered at 1.4, 2.1, and 3.0 mm. The angular resolution of the Planck data ranges from 5 to 10 arcmin, while the SPT resolution ranges from 1.0 to 1.7 arcmin. The combined maps take advantage of the high resolution of the SPT data and the long-timescale stability of the space-based Planck observations to deliver robust brightness measurements on scales from the size of the maps down to similar to 1 arcmin. In each band, we first calibrate and color-correct the SPT data to match the Planck data, then we use noise estimates from each instrument and knowledge of each instrument's beam to make the inverse-variance-weighted combination of the two instruments' data as a function of angular scale. We create maps assuming a range of underlying emission spectra and at a range of final resolutions. We perform several consistency tests on the combined maps and estimate the expected noise in measurements of features in them. We compare maps from this work to those from the Herschel HERITAGE survey, finding general consistency between the data sets. All data products described in this paper are available for download from the NASA Legacy Archive for Microwave Background Data Analysis server. 2016-12-09 Article MAPS OF THE MAGELLANIC CLOUDS FROM COMBINED SOUTH POLE TELESCOPE AND PLANCK DATA 2016, 227 (2):23 The Astrophysical Journal Supplement Series 1538-4365 10.3847/1538-4365/227/2/23 http://hdl.handle.net/10150/622699 http://arizona.openrepository.com/arizona/handle/10150/622699 The Astrophysical Journal Supplement Series en http://stacks.iop.org/0067-0049/227/i=2/a=23?key=crossref.448bca5cff1b7bf4285be7af13205baf © 2016. The American Astronomical Society. All rights reserved. IOP PUBLISHING LTD |
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language |
en |
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topic |
Magellanic Clouds methods: data analysis |
spellingShingle |
Magellanic Clouds methods: data analysis Crawford, T. M. Chown, R. Holder, G. P. Aird, K. A. Benson, B. A. Bleem, L. E. Carlstrom, J. E. Chang, C. L. Cho, H-M. Crites, A. T. Haan, T. de Dobbs, M. A. George, E. M. Halverson, N. W. Harrington, N. L. Holzapfel, W. L. Hou, Z. Hrubes, J. D. Keisler, R. Knox, L. Lee, A. T. Leitch, E. M. Luong-Van, D. Marrone, D. P. McMahon, J. J. Meyer, S. S. Mocanu, L. M. Mohr, J. J. Natoli, T. Padin, S. Pryke, C. Reichardt, C. L. Ruhl, J. E. Sayre, J. T. Schaffer, K. K. Shirokoff, E. Staniszewski, Z. Stark, A. A. Story, K. T. Vanderlinde, K. Vieira, J. D. Williamson, R. MAPS OF THE MAGELLANIC CLOUDS FROM COMBINED SOUTH POLE TELESCOPE AND PLANCK DATA |
description |
We present maps of the Large and Small Magellanic Clouds from combined South Pole Telescope (SPT) and Planck data. The Planck satellite observes in nine bands, while the SPT data used in this work were taken with the three-band SPT-SZ camera, The SPT-SZ bands correspond closely to three of the nine Planck bands, namely those centered at 1.4, 2.1, and 3.0 mm. The angular resolution of the Planck data ranges from 5 to 10 arcmin, while the SPT resolution ranges from 1.0 to 1.7 arcmin. The combined maps take advantage of the high resolution of the SPT data and the long-timescale stability of the space-based Planck observations to deliver robust brightness measurements on scales from the size of the maps down to similar to 1 arcmin. In each band, we first calibrate and color-correct the SPT data to match the Planck data, then we use noise estimates from each instrument and knowledge of each instrument's beam to make the inverse-variance-weighted combination of the two instruments' data as a function of angular scale. We create maps assuming a range of underlying emission spectra and at a range of final resolutions. We perform several consistency tests on the combined maps and estimate the expected noise in measurements of features in them. We compare maps from this work to those from the Herschel HERITAGE survey, finding general consistency between the data sets. All data products described in this paper are available for download from the NASA Legacy Archive for Microwave Background Data Analysis server. |
author2 |
Univ Arizona, Steward Observ |
author_facet |
Univ Arizona, Steward Observ Crawford, T. M. Chown, R. Holder, G. P. Aird, K. A. Benson, B. A. Bleem, L. E. Carlstrom, J. E. Chang, C. L. Cho, H-M. Crites, A. T. Haan, T. de Dobbs, M. A. George, E. M. Halverson, N. W. Harrington, N. L. Holzapfel, W. L. Hou, Z. Hrubes, J. D. Keisler, R. Knox, L. Lee, A. T. Leitch, E. M. Luong-Van, D. Marrone, D. P. McMahon, J. J. Meyer, S. S. Mocanu, L. M. Mohr, J. J. Natoli, T. Padin, S. Pryke, C. Reichardt, C. L. Ruhl, J. E. Sayre, J. T. Schaffer, K. K. Shirokoff, E. Staniszewski, Z. Stark, A. A. Story, K. T. Vanderlinde, K. Vieira, J. D. Williamson, R. |
author |
Crawford, T. M. Chown, R. Holder, G. P. Aird, K. A. Benson, B. A. Bleem, L. E. Carlstrom, J. E. Chang, C. L. Cho, H-M. Crites, A. T. Haan, T. de Dobbs, M. A. George, E. M. Halverson, N. W. Harrington, N. L. Holzapfel, W. L. Hou, Z. Hrubes, J. D. Keisler, R. Knox, L. Lee, A. T. Leitch, E. M. Luong-Van, D. Marrone, D. P. McMahon, J. J. Meyer, S. S. Mocanu, L. M. Mohr, J. J. Natoli, T. Padin, S. Pryke, C. Reichardt, C. L. Ruhl, J. E. Sayre, J. T. Schaffer, K. K. Shirokoff, E. Staniszewski, Z. Stark, A. A. Story, K. T. Vanderlinde, K. Vieira, J. D. Williamson, R. |
author_sort |
Crawford, T. M. |
title |
MAPS OF THE MAGELLANIC CLOUDS FROM COMBINED SOUTH POLE TELESCOPE AND PLANCK DATA |
title_short |
MAPS OF THE MAGELLANIC CLOUDS FROM COMBINED SOUTH POLE TELESCOPE AND PLANCK DATA |
title_full |
MAPS OF THE MAGELLANIC CLOUDS FROM COMBINED SOUTH POLE TELESCOPE AND PLANCK DATA |
title_fullStr |
MAPS OF THE MAGELLANIC CLOUDS FROM COMBINED SOUTH POLE TELESCOPE AND PLANCK DATA |
title_full_unstemmed |
MAPS OF THE MAGELLANIC CLOUDS FROM COMBINED SOUTH POLE TELESCOPE AND PLANCK DATA |
title_sort |
maps of the magellanic clouds from combined south pole telescope and planck data |
publisher |
IOP PUBLISHING LTD |
publishDate |
2016 |
url |
http://hdl.handle.net/10150/622699 http://arizona.openrepository.com/arizona/handle/10150/622699 |
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