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순수물리이론 연구단
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The BINGO project: I. Baryon acoustic oscillations from integrated neutral gas observations

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The BINGO project: I. Baryon acoustic oscillations from integrated neutral gas observations
Elcio Abdalla; Elisa G. M. Ferreira; Ricardo G. Landim; Andre A. Costa; Karin S. F. Fornazier; Filipe B. Abdalla; Luciano Barosi; Francisco A. Brito; Amilcar R. Queiroz; Thyrso Villela; Bin Wang; Carlos A. Wuensche; Alessandro Marins; Camila P. Novaes; Vincenzo Liccardo; Chenxi Shan; Jiajun Zhang; Zhongli Zhang; Zhenghao Zhu; Ian Browne; Jacques Delabrouille; Larissa Santos; Marcelo V. dos Santos; Haiguang Xu; Sonia Anton; Richard Battye; Tianyue Chen; Clive Dickinson; Yin-Zhe Ma; Bruno Maffei; De Mericia, Eduardo J.; Pablo Motta; Carlos H. N. Otobone; Michael W. Peel; Sambit Roychowdhury; Mathieu Remazeilles; Rafael M. Ribeiro; Yu Sang; Joao R. L. Santos; Juliana F. R. dos Santos; Gustavo B. Silva; Frederico Vieira; Jordany Vieira; Linfeng Xiao; Xue Zhang; Yongkai Zhu
Publication Date
Astronomy and Astrophysics, v.664
EDP Sciences
© ESO 2022.Context. Observations of the redshifted 21-cm line of neutral hydrogen (HI) are a new and powerful window of observation that offers us the possibility to map the spatial distribution of cosmic HI and learn about cosmology. Baryon Acoustic Oscillations from Integrated Neutral Gas Observations (BINGO) is a new unique radio telescope designed to be one of the first to probe baryon acoustic oscillations (BAO) at radio frequencies. Aims. BINGO has two science goals: cosmology and astrophysics. Cosmology is the main science goal and the driver for BINGO's design and strategy. The key of BINGO is to detect the low redshift BAO to put strong constraints on the dark sector models and test the ICDM (cold dark matter) model. Given the versatility of the BINGO telescope, a secondary goal is astrophysics, where BINGO can help discover and study fast radio bursts (FRB) and other transients, as well as study Galactic and extragalactic science. In this paper, we introduce the latest progress of the BINGO project, its science goals, describing the scientific potential of the project for each goal and the new developments obtained by the collaboration. Methods. BINGO is a single dish transit telescope that will measure the BAO at low-z by making a 3D map of the HI distribution through the technique of intensity mapping over a large area of the sky. In order to achieve the project's goals, a science strategy and a specific pipeline for cleaning and analyzing the produced maps and mock maps was developed by the BINGO team, which we generally summarize here. Results. We introduce the BINGO project and its science goals and give a general summary of recent developments in construction, science potential, and pipeline development obtained by the BINGO Collaboration in the past few years. We show that BINGO will be able to obtain competitive constraints for the dark sector. It also has the potential to discover several FRBs in the southern hemisphere. The capacity of BINGO in obtaining information from 21-cm is also tested in the pipeline introduced here. Following these developments, the construction and observational strategies of BINGO have been defined. Conclusions. There is still no measurement of the BAO in radio, and studying cosmology in this new window of observations is one of the most promising advances in the field. The BINGO project is a radio telescope that has the goal to be one of the first to perform this measurement and it is currently being built in the northeast of Brazil. This paper is the first of a series of papers that describe in detail each part of the development of the BINGO project.
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Center for Fundamental Theory(순수물리이론 연구단) > 1. Journal Papers (저널논문)
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