Table 1.
Sample of 22 long GRBs selected for this work.
| GRB name | GBM fluence | Significance of | Redshift |
|---|---|---|---|
| [10−4 erg cm−2] | LLE signal σ | ||
| 110721[200] | 0.370 | 61 | – |
| 160625[945] | 6.43 | 49 | 1.406 |
| 080916[009] | 0.603 | 46 | 4.35 |
| 170214[649] | 1.77 | 46 | 2.53 |
| 100724[029] | 2.17 | 40 | – |
| 140206[275] | 1.23 | 39 | – |
| 131108[862] | 0.357 | 37 | 2.4 |
| 141028[455] | 0.348 | 31 | 2.332 |
| 100116[897] | 0.334 | 31 | – |
| 160821[857] | 5.22 | 31 | – |
| 130504[978] | 1.29 | 29 | – |
| 110328[520] | 0.192 | 29 | – |
| 160509[374] | 1.79 | 29 | 1.17 |
| 180720[598] | 2.99 | 24 | 0.654 |
| 151006[413] | 0.122 | 24 | – |
| 160905[471] | 0.732 | 22 | – |
| 150902[733] | 0.832 | 21 | – |
| 100826[957] | 1.64 | 21 | – |
| 090328[401] | 0.420 | 20 | 0.736 |
| 110731[465] | 0.229 | 20 | 2.83 |
| 160910[722] | 0.797 | 20 | – |
| 150202[999] | 0.325 | 20 | – |
Notes. The events satisfy two selection criteria: a significance in the LLE [30–100 MeV] signal σ ≥ 20, and a fluence [10–1000 keV] over the total duration of the burst F > 10−5 erg cm−2, as reported in the LAT and in the GBM catalog, respectively. The first column lists the name of the GRB (with the last three digits referring to the naming convention of Fermi GBM), the second column reports the fluence of the burst, the third column reports the significance of the signal in the LLE data, in terms of σ. The last column reports the redshift of the burst, if available. The events are listed in order of decreasing significance of the signal in the LLE data.
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