Perpustakaan Digital ITB

On page 381, Miniutti et al.1 report a stunning phenomenon unlike anything observed before in a galaxy: almost-periodic eruptions that increase the X-ray emission from the host galaxy by a factor of up to 100, and which last only about an hour. Even more remarkably, these galactic hiccups recur on timescales of hours — raising questions about the mechanism that could produce such rapidly repeating events. The galaxy in question is called