New X-ray Explosion Discovered
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new explosive stellar sourceSpace
•Accidental discovery reveals 'millinovas,' a new class of cosmic explosion 100 times brighter than the sun
73% Informative
Scientists have discovered an entirely new stellar source of X-ray radiation.
The "millinovas" were found in the Large Magellanic Cloud (LMC) and the Small Magellan Cloud ( SMC ), two satellite galaxies of the Milky Way.
The team was searching 20 years' worth of data from the Optical Gravitational Lensing Experiment (OGLE) for light-curving microlensing events.
Millinovae are binary star systems composed of a white dwarf and a subgiant star.
White dwarfs obtaining stellar material in this way are already known to be responsible for different nova events.
The most famous of these are Type Ia supernovas, in which the white dwarf is obliterated in a runaway thermonuclear explosion after stolen stellar material piles up on its surface.
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