{
  "body": "The MAGIC telescopes observed GRB 231115A (RA:09:56:00.22, Dec:+69:40:48.00), a candidate Magnetar Giant Flare from M82 (GCN 35044)  after the alert issued by INTEGRAL (GCN/INTEGRAL NOTICE 10427). The observations in the very-high-energy (VHE; >100 GeV) range were performed on the night of November 15th  starting at ~T0+8h, for about 2 hours, at large zenith angles.  The fast and preliminary analysis does not show any significant detection (<2 sigma) above 250 GeV.  The preliminary integral flux upper limit (95% confidence level)  at 300 GeV is 8e-12 cm-2 s-1.\n\nThe contact persons for the MAGIC collaboration are Alicia López-Oramas (alicia.lopez@iac.es), Alessandra Lamastra (alessandra.lamastra@inaf.it)  and Giuseppe Silvestri (giuseppe.silvestri@studenti.unipd.it). MAGIC is a system of two 17m-diameter Imaging Atmospheric Cherenkov Telescopes located at the Observatory Roque de Los Muchachos of the Instituto de Astrofí­sica de Canarias (IAC) on the Canary island of La Palma, Spain (https://magic.mpp.mpg.de).",
  "createdOn": 1700174437245,
  "submitter": "dpaneque@mppmu.mpg.de",
  "circularId": 35068,
  "eventId": "GRB 231115A",
  "submittedHow": "web",
  "bibcode": "2023GCN.35068....1P",
  "subject": "MAGIC observation of GRB 231115A, a possible magnetar giant flare"
}