GCN Circular 2533
Subject
XMM-Newton Images of GRB 040223
Date
2004-02-25T16:16:52Z (20 years ago)
From
Norbert Schartel at XMM-Newton/ESA <nscharte@xmm.vilspa.esa.es>
R. Gonzalez-Riestra and P. Rodriguez-Pascual from the
XMM-Newton SOC report:
Preliminary EPIC-pn images, light-curves and spectra
from the XMM-Newton observation of the field of
GRB 040223 are available at the home-page of the
XMM-Newton Science Operations Centre:
http://xmm.vilspa.esa.es/external/xmm_news/items/grb040223/index.shtml
The XMM-EPIC exposure started less than 5 hours after
the occurrence of the outburst, this being the fastest
XMM-Newton ToO response to date. The light curve of the
source reported in GCN 2530, XMMU J163929.9-415601, is
highly variable, decreasing from 0.08 to 0.03 counts/sec
(0.3-9 keV) during the 42 ksec of the observation.
The EPIC-pn spectrum of XMMU J163929.9-415601 is absorbed
below 1 keV, consistent with a Hydrogen column density
of 1.7E22 cm-2. The observed flux in the 2-10 keV band
is approximately 2.4E-13 erg cm-2 s-1.