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GCN Circular 36372

Subject
GRB 240502B: Fermi GBM Final Real-time Localization
Date
2024-05-02T14:34:15Z (16 days ago)
From
Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov>
Via
email
The Fermi GBM team reports the detection of a likely LONG GRB

At 14:23:42 UT on 2 May 2024, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 240502B (trigger 736352627.229972 / 240502600).

The on-ground calculated location, using the Fermi GBM trigger data, is RA = 309.1, Dec = 28.6 (J2000 degrees, equivalent to J2000 20h 36m, 28d 36'), with a statistical uncertainty of 5.3 degrees.

The angle from the Fermi LAT boresight is 7.0 degrees.

The skymap can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2024/bn240502600/quicklook/glg_skymap_all_bn240502600.png

The HEALPix FITS file, including the estimated localization systematic, can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2024/bn240502600/quicklook/glg_healpix_all_bn240502600.fit

The GBM light curve can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2024/bn240502600/quicklook/glg_lc_medres34_bn240502600.gif


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