Table 2.
Properties of the candidate γ-ray counterparts for the neutrino events.
| IC event | 4FGL or 4FGL-DR2 | RA(J2000) | Dec(J2000) | neutrino sep. | F100 MeV − 100 GeV | Γ | Ref. | |
|---|---|---|---|---|---|---|---|---|
| or Id. | (deg) | ×10−10 ph cm−2 s−1 | ||||||
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | |
| 190704A | J1045.3+2751 | 10h45m22.32s | 27°50′52.80″ | 0.80 | 9.8 ± 4.6 | 1.88 ± 0.16 | (1) | |
| J1049.8+2741 | 10h49m50.40s | 27°40′48.00″ | 0.79 | 19.8 ± 8.4 | 2.13 ± 0.17 | (2) | ||
| 200109A | J1103.0+1157 | 11h03m05.33s | 11°57′55.44″ | 1.26 | 270 ± 19 | 2.41 ± 0.03 | (2) | |
| J1114.6+1225 (a) | 11h14m39.36s | 12°25′06.24″ | 4.12 | 20.2 ± 1.1 | 2.27 ± 0.22 | (2) | ||
| J1055.8+1034 | 10h55m52.80s | 10°34′48.0″ | 1.38 | 16 ± 8 | 2.06 ± 0.18 | (3) | ||
| 201021A | J1728.0+1216 (a) | 17h28m04.85s | 12°16′32.20″ | 2.56 | 238 ± 26 | 2.45 ± 0.05 | (2) | |
| J1725.5+1312 | 17h23m02.40s | 14°23′24.00″ | 0.16 | 18 ± 5 | 2.2 ± 0.2 | (4) | ||
| 201114A | J0658.6+0636 | 06h58m33.60s | 06°36′00.00″ | 0.81 | 3.2 ± 1.1 | 1.97 ± 0.11 | (2) |
Notes. Column 1: IceCube event name; Col. 2: 4FGL or 4FGL-DR2 or identification (in case of new sources) of a candidate γ-ray counterpart; Cols. 3,4: γ-ray counterpart coordinates (RA, Dec); Col. 5: angular separation between γ-ray counterpart and the best-fit position of the event; Col. 6: integral photon flux from 100 MeV to 100 GeV; Col. 7: γ-ray photon index. Columns 2, 3, 4, and 7 are taken from the LAT 10-year Source Catalog 4FGL/4FGL-DR2. Column 8: Fermi catalogue reference: (1) = 4FGL-DR2 and (2) = 4FGL or 4FGL-DR2; ATels reference: (3) = Garrappa et al. (2020), (4) = Buson et al. (2020b). The sources marked with (a) lie outside the 90% neutrino localisation region.
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