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GCN Circular 36658

Subject
GRB 240611A: Fermi GBM Final Real-time Localization
Date
2024-06-11T10:49:37Z (2 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 10:38:58 UT on 11 Jun 2024, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 240611A (trigger 739795143.972738 / 240611444).

The on-ground calculated location, using the Fermi GBM trigger data, is RA = 267.9, Dec = 75.9 (J2000 degrees, equivalent to J2000 17h 51m, 75d 54'), with a statistical uncertainty of 8.3 degrees.

The angle from the Fermi LAT boresight is 48.0 degrees.

The skymap can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2024/bn240611444/quicklook/glg_skymap_all_bn240611444.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/bn240611444/quicklook/glg_healpix_all_bn240611444.fit

The GBM light curve can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2024/bn240611444/quicklook/glg_lc_medres34_bn240611444.gif


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