Telmo Machado

ORCID: 0000-0002-6631-1245
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About
Contact & Profiles
Research Areas
  • Astrophysics and Cosmic Phenomena
  • Radio Astronomy Observations and Technology
  • Cosmology and Gravitation Theories
  • Galaxies: Formation, Evolution, Phenomena

National Institute for Space Research
2021

The measurement of diffuse 21-cm radiation from the hyperfine transition neutral hydrogen (HI signal) in different redshifts is an important tool for modern cosmology. However, detecting this faint signal with non-cryogenic receivers single-dish telescopes a challenging task. BINGO (Baryon Acoustic Oscillations Integrated Neutral Gas Observations) radio telescope instrument designed to detect baryonic acoustic oscillations (BAOs) cosmological HI signal, redshift interval $0.127 \le z 0.449$....

10.1051/0004-6361/202039962 article EN Astronomy and Astrophysics 2021-11-18

BINGO (BAO from Integrated Neutral Gas Observations) is a unique radio telescope designed to map the intensity of neutral hydrogen distribution at cosmological distances, making first detection Baryon Acoustic Oscillations (BAO) in frequency band 980 MHz - 1260 MHz, corresponding redshift range 0.127 < z 0.449. BAO one most powerful probes parameters and was detect signal level that makes it possible put new constraints on equation state dark energy. The will be built Paraíba, Brazil...

10.1590/0001-3765202120201096 article EN cc-by Anais da Academia Brasileira de Ciências 2021-01-01
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