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A joint Fermi-GBM and Swift-BAT analysis of gravitational-wave candidates from the third gravitational-wave observing run

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  • معلومة اضافية
    • بيانات النشر:
      IOP Publishing for the American Astronomical Society
    • الموضوع:
      2024
    • Collection:
      University of Glasgow: Enlighten - Publications
    • نبذة مختصرة :
      We present Fermi Gamma-ray Burst Monitor (Fermi-GBM) and Swift Burst Alert Telescope (Swift-BAT) searches for gamma-ray/X-ray counterparts to gravitational-wave (GW) candidate events identified during the third observing run of the Advanced LIGO and Advanced Virgo detectors. Using Fermi-GBM onboard triggers and subthreshold gamma-ray burst (GRB) candidates found in the Fermi-GBM ground analyses, the Targeted Search and the Untargeted Search, we investigate whether there are any coincident GRBs associated with the GWs. We also search the Swift-BAT rate data around the GW times to determine whether a GRB counterpart is present. No counterparts are found. Using both the Fermi-GBM Targeted Search and the Swift-BAT search, we calculate flux upper limits and present joint upper limits on the gamma-ray luminosity of each GW. Given these limits, we constrain theoretical models for the emission of gamma rays from binary black hole mergers.
    • File Description:
      text
    • Relation:
      https://eprints.gla.ac.uk/323514/1/323514.pdf; Fletcher, C. et al. (2024) A joint Fermi-GBM and Swift-BAT analysis of gravitational-wave candidates from the third gravitational-wave observing run. Astrophysical Journal , 964(2), 149. (doi:10.3847/1538-4357/ad1eed )
    • Rights:
      cc_by_4
    • الرقم المعرف:
      edsbas.39602249