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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 12643naa a2201573 4500 | |
| 001 | oai:research.chalmers.se:93499711-f315-4a3f-9a6a-064b11ee7462 | |
| 003 | SwePub | |
| 008 | 230629s2023 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://research.chalmers.se/publication/5363222 URI |
| 024 | 7 | a https://doi.org/10.1093/mnras/stad13752 DOI |
| 040 | a (SwePub)cth | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a art2 swepub-publicationtype |
| 072 | 7 | a ref2 swepub-contenttype |
| 100 | 1 | a Hartley, Philippau SKA Organisation4 aut |
| 245 | 1 0 | a SKA Science Data Challenge 2: analysis and results |
| 264 | 1 | c 2023 |
| 338 | a electronic2 rdacarrier | |
| 520 | a The Square Kilometre Array Observatory (SKAO) will explore the radio sky to new depths in order to conduct transformational science. SKAO data products made available to astronomers will be correspondingly large and complex, requiring the application of advanced analysis techniques to extract key science findings. To this end, SKAO is conducting a series of Science Data Challenges, each designed to familiarize the scientific community with SKAO data and to drive the development of new analysis techniques. We present the results from Science Data Challenge 2 (SDC2), which invited participants to find and characterize 233 245 neutral hydrogen (H i) sources in a simulated data product representing a 2000 h SKA-Mid spectral line observation from redshifts 0.25-0.5. Through the generous support of eight international supercomputing facilities, participants were able to undertake the Challenge using dedicated computational resources. Alongside the main challenge, 'reproducibility awards' were made in recognition of those pipelines which demonstrated Open Science best practice. The Challenge saw over 100 participants develop a range of new and existing techniques, with results that highlight the strengths of multidisciplinary and collaborative effort. The winning strategy - which combined predictions from two independent machine learning techniques to yield a 20 per cent improvement in overall performance - underscores one of the main Challenge outcomes: that of method complementarity. It is likely that the combination of methods in a so-called ensemble approach will be key to exploiting very large astronomical data sets. | |
| 650 | 7 | a NATURVETENSKAPx Fysikx Astronomi, astrofysik och kosmologi0 (SwePub)103052 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Astronomy, Astrophysics and Cosmology0 (SwePub)103052 hsv//eng |
| 650 | 7 | a NATURVETENSKAPx Data- och informationsvetenskapx Datavetenskap0 (SwePub)102012 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Computer and Information Sciencesx Computer Sciences0 (SwePub)102012 hsv//eng |
| 653 | a methods: data analysis | |
| 653 | a galaxies: statistics | |
| 653 | a surveys | |
| 653 | a techniques: imaging spectroscopy | |
| 653 | a radio lines: galaxies | |
| 653 | a software: simulations | |
| 700 | 1 | a Bonaldi, A.u University of Manchester,SKA Organisation4 aut |
| 700 | 1 | a Braun, Robertu SKA Organisation4 aut |
| 700 | 1 | a Aditya, J. N.H.S.u Shanghai Astronomical Observatory. Chinese Academy of Sciences,Shanghai Astronomical Observatory Chinese Academy of Sciences4 aut |
| 700 | 1 | a Aicardi, S.u Observatoire de Paris,Paris Observatory4 aut |
| 700 | 1 | a Alegre, L.u University of Edinburgh,SKA Organisation4 aut |
| 700 | 1 | a Chakraborty, A.u Indian Institute of Technology4 aut |
| 700 | 1 | a Chen, X.u Chinese Academy of Sciences4 aut |
| 700 | 1 | a Choudhuri, S.u Indian Institute of Technology,Queen Mary University of London4 aut |
| 700 | 1 | a Clarke, A. O.u SKA Organisation4 aut |
| 700 | 1 | a Coles, J.u University Of Cambridge4 aut |
| 700 | 1 | a Collinson, J. S.u SKA Organisation4 aut |
| 700 | 1 | a Cornu, D.u Observatoire de Paris,Paris Observatory4 aut |
| 700 | 1 | a Darriba, L.u Instituto de Astrofisica de Andalucía (IAA),Institute of Astrophysics of Andalusia (IAA)4 aut |
| 700 | 1 | a Delli Veneri, M.u Universita Degli Studi Di Napoli Federico Ii,University of Naples Federico II4 aut |
| 700 | 1 | a Forbrich, J.u University of Hertfordshire4 aut |
| 700 | 1 | a Fraga, B.4 aut |
| 700 | 1 | a Galan, A.u Ecole Polytechnique Federale de Lausanne (EPFL),Swiss Federal Institute of Technology in Lausanne (EPFL)4 aut |
| 700 | 1 | a Garrido, J.u Instituto de Astrofisica de Andalucía (IAA),Institute of Astrophysics of Andalusia (IAA)4 aut |
| 700 | 1 | a Gubanov, F.u M. V. Lomonosov Moscow State University4 aut |
| 700 | 1 | a Håkansson, Henriku Stiftelsen Fraunhofer-Chalmers Centrum för Industrimatematik (FCC),Fraunhofer-Chalmers Research Centre for Industrial Mathematics (FCC)4 aut |
| 700 | 1 | a Hardcastle, M. J.u University of Hertfordshire4 aut |
| 700 | 1 | a Heneka, C.u Universität Hamburg,University of Hamburg4 aut |
| 700 | 1 | a Herranz, D.u CSIC-UC - Instituto de Física de Cantabria (IFCA)4 aut |
| 700 | 1 | a Hess, K. M.u Rijksuniversiteit Groningen,University of Groningen,Netherlands Institute for Radio Astronomy (ASTRON),Instituto de Astrofisica de Andalucía (IAA),Institute of Astrophysics of Andalusia (IAA)4 aut |
| 700 | 1 | a Jagannath, M.4 aut |
| 700 | 1 | a Jaiswal, Sumitu Shanghai Astronomical Observatory. Chinese Academy of Sciences,Shanghai Astronomical Observatory Chinese Academy of Sciences4 aut |
| 700 | 1 | a Jurek, R. J.u University of Queensland4 aut |
| 700 | 1 | a Korber, D.u Ecole Polytechnique Federale de Lausanne (EPFL),Swiss Federal Institute of Technology in Lausanne (EPFL)4 aut |
| 700 | 1 | a Kitaeff, S.u University of Western Australia4 aut |
| 700 | 1 | a Kleiner, D.u Istituto nazionale di astrofisica (INAF)4 aut |
| 700 | 1 | a Lao, B. Q.u Shanghai Astronomical Observatory. Chinese Academy of Sciences,Shanghai Astronomical Observatory Chinese Academy of Sciences4 aut |
| 700 | 1 | a Lu, X.u Observatoire de Paris,Paris Observatory4 aut |
| 700 | 1 | a Mazumder, A.u Indian Institute of Technology4 aut |
| 700 | 1 | a Moldon, J.u Instituto de Astrofisica de Andalucía (IAA),Institute of Astrophysics of Andalusia (IAA)4 aut |
| 700 | 1 | a Mondal, R.u Tel Aviv University4 aut |
| 700 | 1 | a Ni, S.4 aut |
| 700 | 1 | a Önnheim, Magnus,d 1985u Stiftelsen Fraunhofer-Chalmers Centrum för Industrimatematik (FCC),Fraunhofer-Chalmers Research Centre for Industrial Mathematics (FCC)4 aut0 (Swepub:cth)onnheimm |
| 700 | 1 | a Parra, M.u Instituto de Astrofisica de Andalucía (IAA),Institute of Astrophysics of Andalusia (IAA)4 aut |
| 700 | 1 | a Patra, N.u Raman Research Institute,Indian Institute of Technology4 aut |
| 700 | 1 | a Peel, A.u Ecole Polytechnique Federale de Lausanne (EPFL),Swiss Federal Institute of Technology in Lausanne (EPFL)4 aut |
| 700 | 1 | a Salomé, P.u Observatoire de Paris,Paris Observatory4 aut |
| 700 | 1 | a Sánchez-Expósito, S.u Instituto de Astrofisica de Andalucía (IAA),Institute of Astrophysics of Andalusia (IAA)4 aut |
| 700 | 1 | a Sargent, M.u University of Sussex,International Space Science Institute,Ecole Polytechnique Federale de Lausanne (EPFL),Swiss Federal Institute of Technology in Lausanne (EPFL)4 aut |
| 700 | 1 | a Semelin, B.u Observatoire de Paris,Paris Observatory4 aut |
| 700 | 1 | a Serra, P.u Istituto nazionale di astrofisica (INAF)4 aut |
| 700 | 1 | a Shaw, A. K.u Indian Institute of Technology4 aut |
| 700 | 1 | a Shen, A. X.u Commonwealth Scientific and Industrial Research Organisation (CSIRO)4 aut |
| 700 | 1 | a Sjöberg, Anders,d 1989u Stiftelsen Fraunhofer-Chalmers Centrum för Industrimatematik (FCC),Fraunhofer-Chalmers Research Centre for Industrial Mathematics (FCC)4 aut0 (Swepub:cth)andsjob |
| 700 | 1 | a Smith, L.u University Of Cambridge4 aut |
| 700 | 1 | a Soroka, A.u M. V. Lomonosov Moscow State University4 aut |
| 700 | 1 | a Stolyarov, V.u Russian Academy of Sciences,University Of Cambridge4 aut |
| 700 | 1 | a Tolley, E.u Ecole Polytechnique Federale de Lausanne (EPFL),Swiss Federal Institute of Technology in Lausanne (EPFL)4 aut |
| 700 | 1 | a Toribio Perez, Maria Carmen,d 1981u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)toribio |
| 700 | 1 | a van der Hulst, J. M.u Rijksuniversiteit Groningen,University of Groningen4 aut |
| 700 | 1 | a Vafaei Sadr, A.u Université de Genève,University of Geneva4 aut |
| 700 | 1 | a Verdes-Montenegro, L.u Instituto de Astrofisica de Andalucía (IAA),Institute of Astrophysics of Andalusia (IAA)4 aut |
| 700 | 1 | a Westmeier, T.u University of Western Australia4 aut |
| 700 | 1 | a Yu, K.u Chinese Academy of Sciences4 aut |
| 700 | 1 | a Yu, L.u Chinese Academy of Sciences4 aut |
| 700 | 1 | a Zhang, L.u Sun Yat-Sen University,Peng Cheng Laboratory4 aut |
| 700 | 1 | a Zhang, X.4 aut |
| 700 | 1 | a Zhang, Y.u Shanghai Astronomical Observatory. Chinese Academy of Sciences,Shanghai Astronomical Observatory Chinese Academy of Sciences4 aut |
| 700 | 1 | a Alberdi, Antxonu Instituto de Astrofisica de Andalucía (IAA),Institute of Astrophysics of Andalusia (IAA)4 aut |
| 700 | 1 | a Ashdown, M.u University Of Cambridge4 aut |
| 700 | 1 | a Bom, C. R.4 aut |
| 700 | 1 | a Brüggen, M.u Universität Hamburg,University of Hamburg4 aut |
| 700 | 1 | a Cannon, J.u Macalester College4 aut |
| 700 | 1 | a Chen, R.u Chinese Academy of Sciences4 aut |
| 700 | 1 | a Combes, Françoiseu Observatoire de Paris,Paris Observatory,Collège de France4 aut |
| 700 | 1 | a Conway, John,d 1963u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)jconway |
| 700 | 1 | a Courbin, Frédéricu Ecole Polytechnique Federale de Lausanne (EPFL),Swiss Federal Institute of Technology in Lausanne (EPFL)4 aut |
| 700 | 1 | a Ding, J.u Sun Yat-Sen University4 aut |
| 700 | 1 | a Fourestey, G.u Ecole Polytechnique Federale de Lausanne (EPFL),Swiss Federal Institute of Technology in Lausanne (EPFL)4 aut |
| 700 | 1 | a Freundlich, J.4 aut |
| 700 | 1 | a Gao, L.4 aut |
| 700 | 1 | a Gheller, C.u Istituto nazionale di astrofisica (INAF)4 aut |
| 700 | 1 | a Guo, Q.u Chinese Academy of Sciences4 aut |
| 700 | 1 | a Gustavsson, Emil,d 1987u Stiftelsen Fraunhofer-Chalmers Centrum för Industrimatematik (FCC),Fraunhofer-Chalmers Research Centre for Industrial Mathematics (FCC)4 aut0 (Swepub:cth)emilg |
| 700 | 1 | a Jirstrand, Mats,d 1968u Stiftelsen Fraunhofer-Chalmers Centrum för Industrimatematik (FCC),Fraunhofer-Chalmers Research Centre for Industrial Mathematics (FCC)4 aut0 (Swepub:cth)jirstran |
| 700 | 1 | a Jones, M. G.u University of Arizona4 aut |
| 700 | 1 | a Józsa, G. I.G.4 aut |
| 700 | 1 | a Kamphuis, Peteru Ruhr-Universität Bochum4 aut |
| 700 | 1 | a Kneib, J.P.J.P.u Ecole Polytechnique Federale de Lausanne (EPFL),Swiss Federal Institute of Technology in Lausanne (EPFL)4 aut |
| 700 | 1 | a Lindqvist, Michael,d 1960u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)mlq |
| 700 | 1 | a Liu, B.u Chinese Academy of Sciences4 aut |
| 700 | 1 | a Liu, Y.u Chinese Academy of Sciences4 aut |
| 700 | 1 | a Mao, Y.u Tsinghua University4 aut |
| 700 | 1 | a Marchal, Antoineu Institut canadien d'astrophysique théorique,Canadian Institute for Theoretical Astrophysics4 aut |
| 700 | 1 | a Márquez, I.u Instituto de Astrofisica de Andalucía (IAA),Institute of Astrophysics of Andalusia (IAA)4 aut |
| 700 | 1 | a Meshcheryakov, A.u Russian Academy of Sciences4 aut |
| 700 | 1 | a Olberg, Michael,d 1956u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)olberg |
| 700 | 1 | a Oozeer, N.4 aut |
| 700 | 1 | a Pandey-Pommier, M.u Laboratoire Univers et Particules de Montpellier4 aut |
| 700 | 1 | a Pei, W.u Chinese Academy of Sciences4 aut |
| 700 | 1 | a Peng, B.u Chinese Academy of Sciences4 aut |
| 700 | 1 | a Sabater, J.u University of Edinburgh4 aut |
| 700 | 1 | a Sorgho, A.u Instituto de Astrofisica de Andalucía (IAA),Institute of Astrophysics of Andalusia (IAA)4 aut |
| 700 | 1 | a Starck, J. L.u Ecole Polytechnique Federale de Lausanne (EPFL),Swiss Federal Institute of Technology in Lausanne (EPFL)4 aut |
| 700 | 1 | a Tasse, C.u Centre national de la recherche scientifique (CNRS),Rhodes University4 aut |
| 710 | 2 | a SKA Organisationb University of Manchester4 org |
| 773 | 0 | t Monthly Notices of the Royal Astronomical Societyg 523:2, s. 1967-1993q 523:2<1967-1993x 0035-8711x 1365-2966 |
| 856 | 4 | u https://research.chalmers.se/publication/536322/file/536322_Fulltext.pdfx primaryx freey FULLTEXT |
| 856 | 4 8 | u https://research.chalmers.se/publication/536322 |
| 856 | 4 8 | u https://doi.org/10.1093/mnras/stad1375 |
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