The new results appear in a paper in the journal Monthly Notices of the Royal Astronomical Society.

BBC: Astronomers detect 'monster star'

This is the sort of omission that peer review is intended to correct, but Dr Dar got in touch anyway, and Sir Martin agreed to make the change in the published version, which is about to come out in a journal called Monthly Notices of the Royal Astronomical Society.

ECONOMIST: More on gamma-ray bursts

The work, which is described in the journal Nature, actually draws on observations made by several astronomical facilities, including the Keck and James Clerk Maxwell telescopes in Hawaii and the Hubble Space Telescope in orbit around the Earth.

BBC: NEWS | Science/Nature | Deepest X-rays tell merger story