SWIFT J1644+57: A WHITE DWARF TIDALLY DISRUPTED BY A 104 M ☉ BLACK HOLE?
@article{Krolik2011SWIFTJA, title={SWIFT J1644+57: A WHITE DWARF TIDALLY DISRUPTED BY A 104 M ☉ BLACK HOLE?}, author={J. Krolik and T. Piran}, journal={The Astrophysical Journal}, year={2011}, volume={743}, pages={134} }
We propose that the remarkable object Swift J1644+57, in which multiple recurring hard X-ray flares were seen over a span of several days, is a system in which a white dwarf was tidally disrupted by an intermediate-mass black hole. Disruption of a white dwarf rather than a main-sequence star offers a number of advantages in understanding the multiple, and short, timescales seen in the light curve of this system. In particular, the short internal dynamical timescale of a white dwarf offers a… CONTINUE READING
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