TITLE: GCN CIRCULAR NUMBER: 31019 SUBJECT: AMON NuEm-211020A: No Candidate Counterparts from Swift-XRT follow up observations DATE: 21/10/28 14:57:13 GMT FROM: Hugo Ayala at Pennsylvania State University hgayala@psu.edu

Hugo Ayala(PSU) reports for AMON (https://amon.psu.edu/):

Follow-up observations were performed by the Swift-XRT observatory of the AMON NuEM-211020A coincidence (GCN Circ. 30950), located at

RA (J2000): 99.76 deg Dec (J2000): 9.07 deg Location uncertainty (50% containment): 0.17 deg (statistical only). Location uncertainty (90% containment): 0.31 deg (statistical only).

A 4-tiling observation of 1000s each was requested, for a total of 4000s. This observation covers most of the 90% containment region. Observation 2021-10-21T19:08:35 - 2021-10-21T20:59:34 No X-ray source is visible in the field of view. The 3 sigma upper limit on the 0.3-10 keV band is of 6e-5 counts s-1 keV-1