TITLE: GCN CIRCULAR NUMBER: 32150 SUBJECT: GRB 220530A: Fermi GBM Final Real-time Localization DATE: 22/05/30 11:20:18 GMT FROM: Fermi GBM Team at MSFC/Fermi-GBM The Fermi GBM team reports the detection of a likely LONG GRB At 11:09:58 UT on 30 May 2022, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 220530A (trigger 675601803.514142 / 220530465). The on-ground calculated location, using the Fermi GBM trigger data, is RA = 159.4, Dec = 13.6 (J2000 degrees, equivalent to J2000 10h 37m, 13d 35'), with a statistical uncertainty of 8.5 degrees. The angle from the Fermi LAT boresight is 86.0 degrees. The skymap can be found here: https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2022/bn220530465/quicklook/glg_skymap_all_bn220530465.png The HEALPix FITS file, including the estimated localization systematic, can be found here: https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2022/bn220530465/quicklook/glg_healpix_all_bn220530465.fit The GBM light curve can be found here: https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2022/bn220530465/quicklook/glg_lc_medres34_bn220530465.gif