SIMBAD references

2005ApJ...625L..23C - Astrophys. J., 625, L23-L26 (2005/May-3)

Swift observations of GRB 050128: the early X-ray afterglow.

CAMPANA S., ANTONELLI L.A., CHINCARINI G., COVINO S., CUSUMANO G., MALESANI D., MANGANO V., MORETTI A., PAGANI C., ROMANO P., TAGLIAFERRI G., CAPALBI M., PERRI M., GIOMMI P., ANGELINI L., BOYD P., BURROWS D.N., HILL J.E., GRONWALL C., KENNEA J.A., KOBAYASHI S., KUMAR P., MESZAROS P., NOUSEK J.A., ROMING P.W.A., ZHANG B., ABBEY A.F., BEARDMORE A.P., BREEVELD A., GOAD M.R., GODET O., MASON K.O., OSBORNE J.P., PAGE K.L., POOLE T. and GEHRELS N.

Abstract (from CDS):

Swift discovered GRB 050128 with the Burst Alert Telescope and promptly pointed its narrow field instruments to monitor the afterglow. X-ray observations started 108 s after the trigger time. The early decay of the afterglow is relatively flat, with a temporal decay modeled with a power-law index of ~-0.3. A steepening occurs at later times (∼1500 s) with a power-law index of ~-1.3. During this transition, the observed X-ray spectrum does not change. We interpret this behavior as either an early jet break or evidence of a transition from the fast cooling regime to the slow cooling regime in a wind environment.

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Journal keyword(s): Gamma Rays: Bursts - X-Rays: Individual: Alphanumeric: GRB 050128

Simbad objects: 7

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