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GCN Circular 28434

Subject
Swift-XRT observations of IceCube 200911A
Date
2020-09-17T03:21:29Z (4 years ago)
From
Timothee Gregoire at Penn State <tmg5746@psu.edu>
T. Gregoire (PSU), P.A. Evans (U. Leicester), J.A. Kennea (PSU),
H. A. Ayala Solares (PSU), D.F. Cowen (PSU), J. DeLaunay (PSU) , D. B. 
Fox (PSU),
A. Keivani (Columbia U.), J.P. Osborne (U. Leicester) report:

Swift observed the field of IceCube 200911A (GCN Circ. 28411) between 
16:38:01
2020 September 9 and 19:38:41 on 2020 September 9, collecting a total of 
3.7 ks of
cleaned photon counting (PC) mode data. The observations used a 4-point 
tiling
pattern with a radius of ~0.3 degrees.

We found no X-ray sources beyond artifacts caused by bright Earth limb 
contamination.

The 3-sigma upper limit in the field was in the range 5-8 x10^-3 ct/sec.
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