TITLE: GCN CIRCULAR NUMBER: 34782 SUBJECT: NuEm-230927A: Swift-XRT follow-up DATE: 23/09/29 21:20:17 GMT FROM: Hugo Ayala at Pennsylvania State University hgayala@psu.edu
The AMON group reports:
We requested follow-up time for the AMON alert NuEM230927A (GCN 34776). The follow-up looks for any x-ray source inside the 90% region of the AMON alert: RA (J2000): 331.92 deg Dec (J2000): 12.44 deg Location uncertainty (90% containment): 0.24 deg (statistical only).
We used the available software in www.swift.ac.uk
Swift-XRT started the follow up on 2023-09-28 08:08:01 and ended on 2023-09-28 11:32:27. It collected 3735 sec of photon counting (PC) mode data.
One uncatalogued X-ray source has been detected: Source : RA (J2000.0): 331.877 = 22:07:30.50 Dec (J2000.0): 12.357 = +12:21:24 Error: 4.9 arcsec (radius, 90% conf.) Count-rate: (3.7 (+2.1, -1.7))e-3 ct s^-1
The results can be found in: https://www.swift.ac.uk/user_objects/tprods/USERPROD_114407/index.php
Source detection is based on Evans, et al. 2020 ApJ Supplemental, 247
AMON seeks to perform a real-time correlation analysis of the high-energy signals across all known astronomical messengers. More information about AMON can be found in https://www.amon.psu.edu/ Information on the IceCube collaboration: http://icecube.wisc.edu/ Information on the HAWC collaboration: https://www.hawc-observatory.org
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