The BINGO telescope: a new 21 cm window for exploring the dark universe and other astrophysics

• Grant number: 14/07885-0
• Support Opportunities: Research Projects - Thematic Grants
• Duration: December 01, 2016 - November 30, 2023
• Field of knowledge: Physical Sciences and Mathematics - Astronomy
• Principal Investigator: Elcio Abdalla
• Grantee: Elcio Abdalla
• Host Institution: Instituto de Física (IF). Universidade de São Paulo (USP). São Paulo , SP, Brazil
• Pesquisadores principais: Carlos Alexandre Wuensche de Souza
• Associated researchers: Filipe Batoni Abdalla ; Thyrso Villela Neto
• Associated grant(s): 19/05687-0 - The BINGO telescope 21 cm measurements: Baryon Acoustic Oscillations and Non-gaussianities, AV.EXT
• Associated scholarship(s): 21/08846-2 - Cosmological parameter estimation in BINGO project, BP.DR; 21/08345-3 - Reconstruction of the photometric redshift, BP.IC; 21/04786-5 - Analysis of cross correlations between simulated data from the BINGO radio telescope and the 6dF Galaxy Redshift Survey, BP.MS; + associated scholarships 19/21982-2 - A system engineering approach to managing the BINGO radio telescope, BP.TT; 19/06040-0 - Study of the properties of the universe using the cosmic microwave background radiation and large scale structure tracers, BP.PD; 18/02026-0 - Development and characterization of the BINGO Telescope instrumentation, BP.PD; 17/21570-0 - The BINGO telescope: a new 21 cm window for exploring the dark universe and other astrophysical phenomena, BP.PD - associated scholarships

Abstract

BINGO is a unique radio telescope designed to make the first detection of Baryon Acoustic Oscillations (BAO) at radio frequencies. This will be achieved by measuring the distribution of neutral hydrogen gas at cosmological distances using a technique called Intensity Mapping. Along with the Cosmic Microwave Background anisotropies, the scale of BAO is one of the most powerful probes of cosmological parameters, including dark energy. The telescope will be built in a low RFI site in Northern Uruguay and located in a disused, open cast, gold mine. It will operate in the frequency range going from 0.96 GHz to 1.26 GHz, be of a two-mirror compact range design with a 40 m diameter primary and have no moving parts. Such a design will give the excellent polarization performance and very low sidelobe levels required for intensity mapping. With a feedhorn array of 50 receivers, it will map a 15o declination strip as the sky drifts past the telescope. The partners in BINGO are Brazil, United Kingdom, Switzerland and Uruguay. The overall cost of the project, including personnel costs, is estimated to be 4.98 million US dollars. The current request is for 2.98 million US dollars to fund primarily the capital cost of the components for the receiver modules plus feedhorn antennas and their assembly. It is expected that assembly will take place in Brazil and that most of the components will also be supplied by Brazilian industry. An important motivation for the project is the training of Brazilian engineers and technicians in the skills required so that in the future they can produce state-of-the-art radio astronomy systems. To this end the plan is for the prototype receiver module to be constructed and tested at the world-renowned Jodrell Bank Centre for Astrophysics in Manchester by a joint Brazilian/UK team. In this way the Brazilian team will acquire the skills required to assemble and test the remainder of the 50 modules in Brazil. The experience and science goals are also advantageous for any future involvement of Brazilian scientists in the Square Kilometre Array (SKA) project. (AU)

Scientific publications

(5)

(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)

CARLOS A. WUENSCHE; ELCIO ABDALLA; FILIPE ABDALLA; LUCIANO BAROSI; BIN WANG; RUI AN; JOÃO A. M. BARRETOS; RICHARD BATTYE; FRANCISCO A. BRITO; IAN BROWNE; et al. Baryon Acoustic Oscillations from Integrated Neutral Gas Observations: an instrument to observe the 21cm hydrogen line in the redshift range 0.13 < z < 0.45 – status update. Anais da Academia Brasileira de Ciências, v. 93, 2021-05-26. (19/05687-0, 14/07885-0, 15/19936-1)

WUENSCHE, C. A.; REITANO, L.; PEEL, M. W.; BROWNE, I. W. A.; MAFFEI, B.; ABDALLA, E.; RADCLIFFE, C.; ABDALLA, F.; BAROSI, L.; LICCARDO, V; et al. Baryon acoustic oscillations from Integrated Neutral Gas Observations: Broadband corrugated horn construction and testing. EXPERIMENTAL ASTRONOMY, v. 50, n. 1, JUL 2020. (18/02026-0, 14/07885-0, 15/19936-1)

WUENSCHE, CARLOS A.; ABDALLA, ELCIO; ABDALLA, FILIPE; BAROSI, LUCIANO; WANG, BIN; AN, RUI; BARRETOS, JOAO A. M.; BATTYE, RICHARD; BRITO, FRANCISCO A.; BROWNE, IAN; et al. Baryon Acoustic Oscillations from Integrated Neutral Gas Observations: an instrument to observe the 21cm hydrogen line in the redshift range 0.13 < z < 0.45-status update. Anais da Academia Brasileira de Ciências, v. 93, n. 1, 2021. (14/07885-0, 15/19936-1, 19/05687-0)

PEEL, M. W.; WUENSCHE, C. A.; ABDALLA, E.; ANTON, S.; BAROSI, L.; BROWNE, I. W. A.; CALDAS, M.; DICKINSON, C.; FORNAZIER, K. S. F.; MONSTEIN, C.; et al. Baryon Acoustic Oscillations from Integrated Neutral Gas Observations: Radio Frequency Interference Measurements and Telescope Site Selection. JOURNAL OF ASTRONOMICAL INSTRUMENTATION, v. 8, n. 1, SI, MAR 2019. (16/19425-0, 14/07885-0, 17/21570-0, 15/19936-1)

COSTA, A. A.; MARCONDES, R. J. F.; LANDIM, R. G.; ABDALLA, E.; ABRAMO, L. R.; XAVIER, H. S.; ORSI, A. A.; CHANDRACHANI DEVI, N.; CENARRO, A. J.; CRISTOBAL-HORNILLOS, D.; et al. J-PAS: forecasts on interacting dark energy from baryon acoustic oscillations and redshift-space distortions. Monthly Notices of the Royal Astronomical Society, v. 488, n. 1, p. 78-88, SEP 2019. (14/07885-0, 13/26496-2)