@MastersThesis{Vieira:2020:PrRaSi,
author = "Vieira, Frederico Augusto Silva",
title = "Prot{\'o}tipo de radi{\^o}metro simples para pesquisa em fast
radio burst com o radiotelesc{\'o}pio BINGO",
school = "Instituto Nacional de Pesquisas Espaciais (INPE)",
year = "2020",
address = "S{\~a}o Jos{\'e} dos Campos",
month = "2020-02-28",
keywords = "radiotelesc{\'o}pio, BINGO, r{\'a}dio, radioastronomia,
transientes, FRB, radiotelescope, radio, radioastronomy,
transients.",
abstract = "Explos{\~o}es R{\'a}pidas em R{\'a}dio (FRB, do ingl{\^e}s,
Fast Radio Bursts) s{\~a}o explos{\~o}es altamente
energ{\'e}ticas e de curto per{\'{\i}}odo de
dura{\c{c}}{\~a}o observadas em r{\'a}dio, provavelmente de
origem extragal{\'a}tica. O estudo desses transientes pode
contribuir para caracteriza{\c{c}}{\~a}o do meio
intergal{\'a}tico, bem como restringir par{\^a}metros
cosmol{\'o}gicos. Uma revis{\~a}o bibliogr{\'a}fica sobre FRBs,
descrevendo a f{\'{\i}}sica b{\'a}sica para o entendimento do
fen{\^o}meno e apresentando modelos que visam explicar a origem
desses fen{\^o}meno {\'e} feita na parte introdut{\'o}ria da
disserta{\c{c}}{\~a}o. A principal contribui{\c{c}}{\~a}o da
disserta{\c{c}}{\~a}o {\'e} a proposta de
utiliza{\c{c}}{\~a}o do radiotelesc{\'o}pio BINGO (BAO from
Integrated Neutral Gas Observations) como um detector de
transientes em r{\'a}dio. Para isso, foram realizados testes de
diversos componentes e a integra{\c{c}}{\~a}o do prot{\'o}tipo
de receptor de pot{\^e}ncia total desenvolvido na Divis{\~a}o de
Astrof{\'{\i}}sica do INPE (Instituto Nacional de Pesquisas
Espaciais). A partir dos resultados obtidos para este
prot{\'o}tipo, um limite superior para a temperatura de sistema
(89 K) foi calculado. Este limite foi utilizado para estimar a
expectativa de detec{\c{c}}{\~a}o de FRBs para o
radiotelesc{\'o}pio BINGO. ABSTRACT: Fast Radio Bursts (FRB) are
highly energetic and short-duration bursts observed in radio,
probably of extragalactic origin. The study of these transients
can contribute to the characterization of the intergalactic
environment, as well as restrict cosmological parameters. A
bibliographic review on FRBs, describing the basic physics for
understanding the phenomenon and presenting models that aim to
explain the origin of these phenomena is made in the introductory
part of the dissertation. The main contribution of the
dissertation is the proposal to use the BINGO radio telescope (BAO
from Integrated Neutral Gas Observations) as a radio transient
detector. For that, tests of several components were carried out
and the integration of a total power receiver prototype developed
in the Astrophysics Division of INPE (National Institute for Space
Research). From the results obtained for this prototype, an upper
limit for the system temperature (89 K) was calculated. This limit
was used to estimate the expectation of detecting FRBs for the
BINGO radio telescope.",
committee = "Braga, Jo{\~a}o (presidente) and Wuensche, Carlos Alexandre
(orientador) and Cecatto, Jos{\'e} Roberto and Gim{\'e}nez de
Castro, Carlos Guilllermo",
englishtitle = "Simple radiometer prototype for research in fast radio burst with
BINGO radio telescope",
language = "pt",
pages = "122",
ibi = "8JMKD3MGP3W34R/427FFNP",
url = "http://urlib.net/ibi/8JMKD3MGP3W34R/427FFNP",
targetfile = "publicacao.pdf",
urlaccessdate = "29 mar. 2024"
}