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Hydrogen Epoch of Reionization Array (HERA) Phase II Deployment and Commissioning
Publications of the Astronomical Society of the Pacific ( IF 3.5 ) Pub Date : 2024-04-15 , DOI: 10.1088/1538-3873/ad3122 Lindsay M. Berkhout , Daniel C. Jacobs , Zuhra Abdurashidova , Tyrone Adams , James E. Aguirre , Paul Alexander , Zaki S. Ali , Rushelle Baartman , Yanga Balfour , Adam P. Beardsley , Gianni Bernardi , Tashalee S. Billings , Judd D. Bowman , Richard F. Bradley , Philip Bull , Jacob Burba , Ruby Byrne , Steven Carey , Chris L. Carilli , Kai-Feng Chen , Carina Cheng , Samir Choudhuri , David R. DeBoer , Eloy de Lera Acedo , Matt Dexter , Joshua S. Dillon , Scott Dynes , Nico Eksteen , John Ely , Aaron Ewall-Wice , Nicolas Fagnoni , Randall Fritz , Steven R. Furlanetto , Kingsley Gale-Sides , Hugh Garsden , Bharat Kumar Gehlot , Abhik Ghosh , Brian Glendenning , Adelie Gorce , Deepthi Gorthi , Bradley Greig , Jasper Grobbelaar , Ziyaad Halday , Bryna J. Hazelton , Jacqueline N. Hewitt , Jack Hickish , Tian Huang , Alec Josaitis , Austin Julius , MacCalvin Kariseb , Nicholas S. Kern , Joshua Kerrigan , Honggeun Kim , Piyanat Kittiwisit , Saul A. Kohn , Matthew Kolopanis , Adam Lanman , Paul La Plante , Adrian Liu , Anita Loots , Yin-Zhe Ma , David Harold Edward MacMahon , Lourence Malan , Cresshim Malgas , Keith Malgas , Bradley Marero , Zachary E. Martinot , Andrei Mesinger , Mathakane Molewa , Miguel F. Morales , Tshegofalang Mosiane , Steven G. Murray , Abraham R. Neben , Bojan Nikolic , Chuneeta Devi Nunhokee , Hans Nuwegeld , Aaron R. Parsons , Robert Pascua , Nipanjana Patra , Samantha Pieterse , Yuxiang Qin , Eleanor Rath , Nima Razavi-Ghods , Daniel Riley , James Robnett , Kathryn Rosie , Mario G. Santos , Peter Sims , Saurabh Singh , Dara Storer , Hilton Swarts , Jianrong Tan , Nithyanandan Thyagarajan , Pieter van Wyngaarden , Peter K. G. Williams , Haoxuan Zheng , Zhilei Xu
Publications of the Astronomical Society of the Pacific ( IF 3.5 ) Pub Date : 2024-04-15 , DOI: 10.1088/1538-3873/ad3122 Lindsay M. Berkhout , Daniel C. Jacobs , Zuhra Abdurashidova , Tyrone Adams , James E. Aguirre , Paul Alexander , Zaki S. Ali , Rushelle Baartman , Yanga Balfour , Adam P. Beardsley , Gianni Bernardi , Tashalee S. Billings , Judd D. Bowman , Richard F. Bradley , Philip Bull , Jacob Burba , Ruby Byrne , Steven Carey , Chris L. Carilli , Kai-Feng Chen , Carina Cheng , Samir Choudhuri , David R. DeBoer , Eloy de Lera Acedo , Matt Dexter , Joshua S. Dillon , Scott Dynes , Nico Eksteen , John Ely , Aaron Ewall-Wice , Nicolas Fagnoni , Randall Fritz , Steven R. Furlanetto , Kingsley Gale-Sides , Hugh Garsden , Bharat Kumar Gehlot , Abhik Ghosh , Brian Glendenning , Adelie Gorce , Deepthi Gorthi , Bradley Greig , Jasper Grobbelaar , Ziyaad Halday , Bryna J. Hazelton , Jacqueline N. Hewitt , Jack Hickish , Tian Huang , Alec Josaitis , Austin Julius , MacCalvin Kariseb , Nicholas S. Kern , Joshua Kerrigan , Honggeun Kim , Piyanat Kittiwisit , Saul A. Kohn , Matthew Kolopanis , Adam Lanman , Paul La Plante , Adrian Liu , Anita Loots , Yin-Zhe Ma , David Harold Edward MacMahon , Lourence Malan , Cresshim Malgas , Keith Malgas , Bradley Marero , Zachary E. Martinot , Andrei Mesinger , Mathakane Molewa , Miguel F. Morales , Tshegofalang Mosiane , Steven G. Murray , Abraham R. Neben , Bojan Nikolic , Chuneeta Devi Nunhokee , Hans Nuwegeld , Aaron R. Parsons , Robert Pascua , Nipanjana Patra , Samantha Pieterse , Yuxiang Qin , Eleanor Rath , Nima Razavi-Ghods , Daniel Riley , James Robnett , Kathryn Rosie , Mario G. Santos , Peter Sims , Saurabh Singh , Dara Storer , Hilton Swarts , Jianrong Tan , Nithyanandan Thyagarajan , Pieter van Wyngaarden , Peter K. G. Williams , Haoxuan Zheng , Zhilei Xu
This paper presents the design and deployment of the Hydrogen Epoch of Reionization Array (HERA) phase II system. HERA is designed as a staged experiment targeting 21 cm emission measurements of the Epoch of Reionization. First results from the phase I array are published as of early 2022, and deployment of the phase II system is nearing completion. We describe the design of the phase II system and discuss progress on commissioning and future upgrades. As HERA is a designated Square Kilometre Array pathfinder instrument, we also show a number of “case studies” that investigate systematics seen while commissioning the phase II system, which may be of use in the design and operation of future arrays. Common pathologies are likely to manifest in similar ways across instruments, and many of these sources of contamination can be mitigated once the source is identified.
中文翻译：
氢时代再电离阵列（HERA）二期部署和调试
本文介绍了氢时代再电离阵列 (HERA) II 期系统的设计和部署。 HERA 被设计为一项分阶段实验，目标是再电离时代的 21 厘米发射测量。第一阶段阵列的首批结果将于 2022 年初发布，第二阶段系统的部署已接近完成。我们描述了第二阶段系统的设计，并讨论了调试和未来升级的进展。由于 HERA 是指定的平方公里阵列探路仪器，因此我们还展示了许多“案例研究”，这些研究调查了在调试第二阶段系统时看到的系统学，这可能会在未来阵列的设计和操作中使用。常见的病症可能会在不同的仪器上以类似的方式表现出来，一旦确定了污染源，许多污染源就可以得到缓解。
更新日期：2024-04-15
中文翻译：
氢时代再电离阵列（HERA）二期部署和调试
本文介绍了氢时代再电离阵列 (HERA) II 期系统的设计和部署。 HERA 被设计为一项分阶段实验，目标是再电离时代的 21 厘米发射测量。第一阶段阵列的首批结果将于 2022 年初发布，第二阶段系统的部署已接近完成。我们描述了第二阶段系统的设计，并讨论了调试和未来升级的进展。由于 HERA 是指定的平方公里阵列探路仪器，因此我们还展示了许多“案例研究”，这些研究调查了在调试第二阶段系统时看到的系统学，这可能会在未来阵列的设计和操作中使用。常见的病症可能会在不同的仪器上以类似的方式表现出来，一旦确定了污染源，许多污染源就可以得到缓解。
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