Publicada hoje na revista Science , a pesquisa mostra que o sistema conhecido como Cygnus X-1 contanãm o buraco negro de massa estelar mais massivo já detectado sem o uso de ondas gravitacionais.
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)
Impressão artastica do sistema Cygnus X-1. Um buraco negro de massa estelar orbita com uma estrela companheira localizada a 7.200 anos-luz da Terra. Crédito: Centro Internacional de Pesquisa em Radioastronomia.
Novas observações do primeiro buraco negro já detectado levaram os astrônomos a questionar o que sabem sobre os objetos mais misteriosos do Universo.
Publicada hoje na revista Science , a pesquisa mostra que o sistema conhecido como Cygnus X-1 contanãm o buraco negro de massa estelar mais massivo já detectado sem o uso de ondas gravitacionais.
Cygnus X-1 éum dos buracos negros mais pra³ximos da Terra. Foi descoberto em 1964, quando um par de contadores Geiger foi carregado a bordo de um foguete suborbital lana§ado do Novo Manãxico.
O objeto foi o foco de uma famosa aposta cientafica entre os fasicos Stephen Hawking e Kip Thorne, com Hawking apostando em 1974 que não era um buraco negro. Hawking cedeu a aposta em 1990.
Neste trabalho mais recente, uma equipe internacional de astrônomos usou o Very Long Baseline Array - um radiotelesca³pio do tamanho de um continente feito de 10 antenas espalhadas pelos Estados Unidos - junto com uma técnica inteligente para medir distâncias no Espaço.
"Se pudermos ver o mesmo objeto de locais diferentes, podemos calcular sua distância de nosmedindo a distância que o objeto parece se mover em relação ao fundo", disse o pesquisador-chefe, Professor James Miller-Jones da Curtin University and the International Centro de Pesquisa em Radioastronomia (ICRAR).
"Se vocêcolocar o dedo na frente dos olhos e vaª-lo com um olho de cada vez, notara¡ que seu dedo parece pular de um ponto a outro. a‰ exatamente o mesmo princapio."
"Durante seis dias, observamos uma a³rbita completa do buraco negro e usamos observações feitas do mesmo sistema com o mesmo conjunto de telesca³pios em 2011", disse o professor Miller-Jones. "Este manãtodo e nossas novas medições mostram que o sistema estãomais longe do que se pensava, com um buraco negro que ésignificativamente mais massivo."
O coautor, Professor Ilya Mandel, da Monash University e do ARC Center of Excellence em Gravitational Wave Discovery (OzGrav), disse que o buraco negro étão grande que érealmente um desafio como os astrônomos pensavam que eles se formaram.
"As estrelas perdem massa para o ambiente circundante por meio de ventos estelares que sopram de suasuperfÍcie. Mas para tornar um buraco negro tão pesado, precisamos diminuir a quantidade de massa que estrelas brilhantes perdem durante suas vidas", disse ele.
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"O buraco negro no sistema Cygnus X-1 começou a vida como uma estrela com aproximadamente 60 vezes a massa do Sol e entrou em colapso hádezenas de milhares de anos", disse ele. "Incrivelmente, ele estãoorbitando sua estrela companheira - uma supergigante - a cada cinco dias e meio a apenas um quinto da distância entre a Terra e o Sol.
"Essas novas observações nos dizem que o buraco negro tem mais de 20 vezes a massa do nosso Sol - um aumento de 50% nas estimativas anteriores."
Os astrônomos observaram o sistema Cygnus X-1 de diferentes a¢ngulos usando a a³rbita
da Terra ao redor do Sol para medir o movimento percebido do sistema contra as estrelas
de fundo. Isso permitiu que eles refinassem a distância atéo sistema e, portanto, a massa
do buraco negro. Crédito: Centro Internacional de
Pesquisa em Radioastronomia.
Xueshan Zhao écoautor do artigo e Ph.D. candidato a estudar nos Observatórios Astrona´micos Nacionais - parte da Academia Chinesa de Ciências (NAOC) em Pequim.
"Usando as medições atualizadas para a massa do buraco negro e sua distância da Terra, fui capaz de confirmar que Cygnus X-1 estãogirando incrivelmente rápido - muito perto da velocidade da luz e mais rápido do que qualquer outro buraco negro encontrado atéhoje, " ela disse.
"Estou no inicio da minha carreira de pesquisador, então fazer parte de uma equipe internacional e ajudar a refinar as propriedades do primeiro buraco negro já descoberto tem sido uma grande oportunidade."
No pra³ximo ano, o maior radiotelesca³pio do mundo - o Square Kilometer Array (SKA) - comea§ara¡ a ser construado na Austra¡lia e na áfrica do Sul.
"Estudar buracos negros écomo lana§ar uma luz sobre o segredo mais bem guardado do Universo - éuma área de pesquisa desafiadora, mas excitante", disse o professor Miller-Jones.
"Conforme a próxima geração de telesca³pios fica online, sua sensibilidade aprimorada revela o Universo com cada vez mais detalhes, aproveitando décadas de esforços investidos por cientistas e equipes de pesquisa em todo o mundo para compreender melhor o cosmos e os objetos exa³ticos e extremos que existem.
"a‰ um a³timo momento para ser astra´nomo."