[vsnet-grb-info 18038] GRB 160601A: Swift-XRT refined Analysis

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  19486
SUBJECT: GRB 160601A: Swift-XRT refined Analysis
DATE:    16/06/02 00:29:54 GMT
FROM:    Phil Evans at U of Leicester  <pae9 at leicester.ac.uk>

A. Maselli  (INAF-IASFPA), B. Sbarufatti (INAF-OAB/PSU), D.N. Burrows
(PSU), T.G.R. Roegiers (PSU), P.A. Evans (U. Leicester), S.L. Gibson
(U. Leicester), J.P. Osborne (U. Leicester), A. Melandri (INAF-OAB), P.
D'Avanzo (INAF-OAB) and D. Kocevski report on behalf of the Swift-XRT
team:

We have analysed 7.9 ks of XRT data for GRB 160601A (Kocevski et al.
GCN Circ. 19478), from 94 s to 23.6 ks after the  BAT trigger. The data
are entirely in Photon Counting (PC) mode. The enhanced XRT position
for this burst was given by Evans et al. (GCN Circ. 19484).

The light curve can be modelled with a power-law decay with a decay
index of alpha=0.49 (+0.14, -0.15).

If the light curve continues to decay with a power-law decay index of
0.49, the count rate at T+24 hours will be 2.0 x 10^-3 count s^-1

The results of the XRT-team automatic analysis are available at
http://www.swift.ac.uk/xrt_products/00688452.

This circular is an official product of the Swift-XRT team.