2014

X-Ray Afterglow Plateaus of Long Gamma-Ray Bursts: Further Evidence for Millisecond Magnetars

Yi, S. X., Dai, Z. G., Wu, X. F. et al.

Understand

Many long-duration gamma-ray bursts (GRBs) were observed by {\it Swift}/XRT to have plateaus in their X-ray afterglow light curves.

This plateau phase has been argued to be evidence for long-lasting activity of magnetar (ultra-strongly magnetized neutron stars) central engines.
However, the emission efficiency of such magnetars in X-rays is still unknown.
Here we collect 24 long GRB X-ray afterglows showing plateaus followed by steep decays.

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Closest in time.
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