Primeiro cometa brasileiro
Autor: ANANIAS | Publicado: 2014-01-20T03:36:00-08:00



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Astrônomos amadores brasileiros descobriram um cometa no país pela primeira
vez, nomeado C/2014 A4 SONEAR, no último dia 12 de janeiro.
Cristovão Jacques, Eduardo Pimentel e João Ribeiro de Barros observaram o
objeto através de um telescópio robótico instalado no Observatório SONEAR, em
Oliveira, cidade que fica a 120 km de Belo Horizonte, em Minas Gerais.
O Observatório SONEAR, iniciativa dos brasileiros, tem como objetivo
detectar objetos que passam próximos a Terra, a fim de determinar se eles vão
ou não se chocar com o planeta. O equipamento funciona totalmente online – um
software chamado SKYSIFT desenvolvido pelo também brasileiro Paulo Holvorcem
coleta e analisa informações para classificar objetos vistos no hemisfério sul
celestes como conhecidas ou desconhecidas.
Quando os astrônomos amadores analisaram os dados naquela noite, souberam
que se tratava de um objeto novo, mas não identificaram de cara que era um
cometa – o foco do observatório é em asteroides (eles já descobriram 16 deles,
inclusive nomeando um em homenagem ao primeiro astronauta brasileiro, Marcos
Pontes). 
A descoberta do objeto foi feita a partir de imagens coletadas com uma
câmera CCD acoplada ao telescópio robótico projetado pelo engenheiro brasileiro
Marcelo Moura, cujo espelho foi fabricado no Brasil, pelo especialista em
óptica Sandro Colleti.

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