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GCN Circular 1901

Subject
XMM-Newton observation of GRB030227
Date
2003-02-27T20:24:44Z (21 years ago)
From
Norbert Schartel at XMM-Newton/ESA <too@xmm.vilspa.esa.es>
N. Loiseau, M.Gilomo, R.Gonzalez-Riestra, M. Guainazzi, B. Juarez,
R. Perez-Martinez, P. Rodriguez, M. Santos-LLeo, and N. Schartel report:


Quick-Look-Analysis of the XMM-Newton observation
of GRB030227 (G. Gotz et al. GCN 1895 and 1896), based on
1 and 2 ks non-simultaneous exposures in the EPIC MOS and pn
cameras, respectively, shows the presence of one source in the
refined IBIS error circle:

S1 (J2000): R.A. =  4h 57m 33s   Decl. = 20deg  29' 9"
with an estimated EPIC/pn count rate of 0.2 [counts/sec];

A second source, only marginally consistent with the error box
reported in GCN1896, is detected in the MOS cameras:

S2 (J2000): R.A. =  4h 57m 17s   Decl. = 20deg  30' 18"

At this stage of reduction the positional error is expected to
be less than 6".
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