The PICASSO map-making code: application to a simulation of the QUIJOTE northern sky survey
Map-making is an important step for the data analysis of Cosmic Microwave Background (CMB) experiments. It consists of converting the data, which are typically a long, complex and noisy collection of measurements, into a map, which is an image of the observed sky. We present in this paper a new map-...
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| creator | Guidi, F Rubiño-Martín, J A Pelaez-Santos, A E Génova-Santos, R T Ashdown, M Barreiro, R B Bilbao-Ahedo, J D Harper, S E Watson, R A |
| description | Map-making is an important step for the data analysis of Cosmic Microwave Background (CMB) experiments. It consists of converting the data, which are typically a long, complex and noisy collection of measurements, into a map, which is an image of the observed sky. We present in this paper a new map-making code named PICASSO (Polarization and Intensity CArtographer for Scanned Sky Observations), which was implemented to construct intensity and polarization maps from the Multi Frequency Instrument (MFI) of the QUIJOTE (Q-U-I Joint TEnerife) CMB polarization experiment. PICASSO is based on the destriping algorithm, and is suited to address specific issues of ground-based microwave observations, with a technique that allows the fit of a template function in the time domain, during the map-making step. This paper describes the PICASSO code, validating it with simulations and assessing its performance. For this purpose, we produced realistic simulations of the QUIJOTE-MFI survey of the northern sky (approximately \(\sim 20,000\,\)deg\(^2\)), and analysed the reconstructed maps with PICASSO, using real and harmonic space statistics. We show that, for this sky area, PICASSO is able to reconstruct, with high fidelity, the injected signal, recovering all the scales with \(\ell>10\) in TT, EE and BB. The signal error is better than 0.001% at \(20 |
| doi_str_mv | 10.48550/arxiv.2108.09063 |
| format | Article |
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It consists of converting the data, which are typically a long, complex and noisy collection of measurements, into a map, which is an image of the observed sky. We present in this paper a new map-making code named PICASSO (Polarization and Intensity CArtographer for Scanned Sky Observations), which was implemented to construct intensity and polarization maps from the Multi Frequency Instrument (MFI) of the QUIJOTE (Q-U-I Joint TEnerife) CMB polarization experiment. PICASSO is based on the destriping algorithm, and is suited to address specific issues of ground-based microwave observations, with a technique that allows the fit of a template function in the time domain, during the map-making step. This paper describes the PICASSO code, validating it with simulations and assessing its performance. For this purpose, we produced realistic simulations of the QUIJOTE-MFI survey of the northern sky (approximately \(\sim 20,000\,\)deg\(^2\)), and analysed the reconstructed maps with PICASSO, using real and harmonic space statistics. We show that, for this sky area, PICASSO is able to reconstruct, with high fidelity, the injected signal, recovering all the scales with \(\ell>10\) in TT, EE and BB. The signal error is better than 0.001% at \(20<\ell<200\). Finally, we validated some of the methods that will be applied to the real wide-survey data, like the detection of the CMB anisotropies via cross-correlation analyses. Despite that the implementation of PICASSO is specific for QUIJOTE-MFI data, it could be adapted to other experiments.</description><identifier>EISSN: 2331-8422</identifier><identifier>DOI: 10.48550/arxiv.2108.09063</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Algorithms ; Cartography ; Cosmic microwave background ; Cross correlation ; Data analysis ; Ground-based observation ; Northern sky ; Physics - Instrumentation and Methods for Astrophysics ; Polarization ; Simulation ; Sky surveys (astronomy)</subject><ispartof>arXiv.org, 2021-08</ispartof><rights>2021. This work is published under http://arxiv.org/licenses/nonexclusive-distrib/1.0/ (the “License”). 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It consists of converting the data, which are typically a long, complex and noisy collection of measurements, into a map, which is an image of the observed sky. We present in this paper a new map-making code named PICASSO (Polarization and Intensity CArtographer for Scanned Sky Observations), which was implemented to construct intensity and polarization maps from the Multi Frequency Instrument (MFI) of the QUIJOTE (Q-U-I Joint TEnerife) CMB polarization experiment. PICASSO is based on the destriping algorithm, and is suited to address specific issues of ground-based microwave observations, with a technique that allows the fit of a template function in the time domain, during the map-making step. This paper describes the PICASSO code, validating it with simulations and assessing its performance. For this purpose, we produced realistic simulations of the QUIJOTE-MFI survey of the northern sky (approximately \(\sim 20,000\,\)deg\(^2\)), and analysed the reconstructed maps with PICASSO, using real and harmonic space statistics. We show that, for this sky area, PICASSO is able to reconstruct, with high fidelity, the injected signal, recovering all the scales with \(\ell>10\) in TT, EE and BB. The signal error is better than 0.001% at \(20<\ell<200\). Finally, we validated some of the methods that will be applied to the real wide-survey data, like the detection of the CMB anisotropies via cross-correlation analyses. Despite that the implementation of PICASSO is specific for QUIJOTE-MFI data, it could be adapted to other experiments.</description><subject>Algorithms</subject><subject>Cartography</subject><subject>Cosmic microwave background</subject><subject>Cross correlation</subject><subject>Data analysis</subject><subject>Ground-based observation</subject><subject>Northern sky</subject><subject>Physics - Instrumentation and Methods for Astrophysics</subject><subject>Polarization</subject><subject>Simulation</subject><subject>Sky surveys (astronomy)</subject><issn>2331-8422</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GOX</sourceid><recordid>eNotUNFKw0AQPATBUvsBPnngc-LmNpfL-Sal2kohSuOTD-HSXDRtkot3SbF_b2yFhWFgdnZ2CLkJwA9jzuFe2Z_q4LMAYh8kRHhBJgwx8OKQsSsyc24HACwSjHOckI_0S9PX1fxxs0loozqvUfuq_aRbU-gHqrqurraqr0xLe0MVdVUz1GduStqPu2_vq5ckXdDW2JHalrr9kbrBHvTxmlyWqnZ69o9Tkj4t0vnSWyfP48W1pzgDL-dcCs1lKQSLYy6Y1KoICkQRYhBDqUSOeSkZRhjIXECUYyhBi1KwCLYyxCm5PduePs86WzXKHrO_BrJTA6Pi7qzorPketOuznRlsO2bKGI9QhjAO_gIOTFve</recordid><startdate>20210820</startdate><enddate>20210820</enddate><creator>Guidi, F</creator><creator>Rubiño-Martín, J A</creator><creator>Pelaez-Santos, A E</creator><creator>Génova-Santos, R T</creator><creator>Ashdown, M</creator><creator>Barreiro, R B</creator><creator>Bilbao-Ahedo, J D</creator><creator>Harper, S E</creator><creator>Watson, R A</creator><general>Cornell University Library, arXiv.org</general><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>GOX</scope></search><sort><creationdate>20210820</creationdate><title>The PICASSO map-making code: application to a simulation of the QUIJOTE northern sky survey</title><author>Guidi, F ; Rubiño-Martín, J A ; Pelaez-Santos, A E ; Génova-Santos, R T ; Ashdown, M ; Barreiro, R B ; Bilbao-Ahedo, J D ; Harper, S E ; Watson, R A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a520-b5597e59f772885729ead1d33743180fa7b3bf9236319b706b3490e7f7260c943</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Algorithms</topic><topic>Cartography</topic><topic>Cosmic microwave background</topic><topic>Cross correlation</topic><topic>Data analysis</topic><topic>Ground-based observation</topic><topic>Northern sky</topic><topic>Physics - Instrumentation and Methods for Astrophysics</topic><topic>Polarization</topic><topic>Simulation</topic><topic>Sky surveys (astronomy)</topic><toplevel>online_resources</toplevel><creatorcontrib>Guidi, F</creatorcontrib><creatorcontrib>Rubiño-Martín, J A</creatorcontrib><creatorcontrib>Pelaez-Santos, A E</creatorcontrib><creatorcontrib>Génova-Santos, R T</creatorcontrib><creatorcontrib>Ashdown, M</creatorcontrib><creatorcontrib>Barreiro, R B</creatorcontrib><creatorcontrib>Bilbao-Ahedo, J D</creatorcontrib><creatorcontrib>Harper, S E</creatorcontrib><creatorcontrib>Watson, R A</creatorcontrib><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>arXiv.org</collection><jtitle>arXiv.org</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Guidi, F</au><au>Rubiño-Martín, J A</au><au>Pelaez-Santos, A E</au><au>Génova-Santos, R T</au><au>Ashdown, M</au><au>Barreiro, R B</au><au>Bilbao-Ahedo, J D</au><au>Harper, S E</au><au>Watson, R A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The PICASSO map-making code: application to a simulation of the QUIJOTE northern sky survey</atitle><jtitle>arXiv.org</jtitle><date>2021-08-20</date><risdate>2021</risdate><eissn>2331-8422</eissn><abstract>Map-making is an important step for the data analysis of Cosmic Microwave Background (CMB) experiments. 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For this purpose, we produced realistic simulations of the QUIJOTE-MFI survey of the northern sky (approximately \(\sim 20,000\,\)deg\(^2\)), and analysed the reconstructed maps with PICASSO, using real and harmonic space statistics. We show that, for this sky area, PICASSO is able to reconstruct, with high fidelity, the injected signal, recovering all the scales with \(\ell>10\) in TT, EE and BB. The signal error is better than 0.001% at \(20<\ell<200\). Finally, we validated some of the methods that will be applied to the real wide-survey data, like the detection of the CMB anisotropies via cross-correlation analyses. Despite that the implementation of PICASSO is specific for QUIJOTE-MFI data, it could be adapted to other experiments.</abstract><cop>Ithaca</cop><pub>Cornell University Library, arXiv.org</pub><doi>10.48550/arxiv.2108.09063</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Algorithms Cartography Cosmic microwave background Cross correlation Data analysis Ground-based observation Northern sky Physics - Instrumentation and Methods for Astrophysics Polarization Simulation Sky surveys (astronomy) |
| title | The PICASSO map-making code: application to a simulation of the QUIJOTE northern sky survey |
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