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companion star

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It was the indigenously built SXT and Large Area X-ray Proportional Counter (LAXPC) instruments on-board the Astrosat that first observed the black hole in a favourable state so as to be able to interpret the X-ray at the end of 2016.

Isro-Nasa project finds black hole that spins near max possible rate

By Snehal Fernandes | Hindustan Times, Mumbai
PUBLISHED ON OCT 28, 2018 06:20 PM IST
The findings are significant, said researchers, because so far, high spin rates of only about five black holes have been quantified accurately
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Seventeen years ago, astronomers had witnessed a supernova go off 40 million light-years away in the galaxy called NGC 7424, located in the southern constellation Grus, the Crane.
Seventeen years ago, astronomers had witnessed a supernova go off 40 million light-years away in the galaxy called NGC 7424, located in the southern constellation Grus, the Crane.

NASA’s Hubble captured first image of surviving companion to supernova

By Indo Asian News Service | Indo Asian News Service, Washington
UPDATED ON APR 27, 2018 11:33 AM IST
It is a compelling evidence that some supernovas originate in double-star systems.
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