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Table 2.

Results of the single-source analysis of GRBs with X-ray plateau afterglow.

Single-source plateau search

GRB name δ α tg Δtg ploc F90%
[deg] [deg] [MJD] [s] [GeV cm−2]
Spectral index γ = 1

GRB 140518A 42.42 227.25 56795.390 2.9 × 103 1.0 1.1 × 10−3 (3.1σ) 5.5 × 10−4
GRB 171120A 22.46 163.79 58077.603 2.7 × 104 1.0 3.8 × 10−3 (2.7σ) 1.9 × 10−4
GRB 120422A 14.02 136.91 56039.304 1.0 × 106 0.8 2.8 × 10−2 (1.9σ) 9.0 × 10−5
GRB 100614A 49.23 263.50 55361.954 1.4 × 105 0.4 4.4 × 10−2 (1.7σ) 8.2 × 10−4
GRB 180514A 36.97 197.37 58252.563 1.3 × 105 0.4 5.0 × 10−2 (1.7σ) 4.6 × 10−4
GRB 141121A 22.22 122.67 56982.431 3.1 × 105 0.5 5.0 × 10−2 (1.7σ) 1.8 × 10−4
GRB 150213B 34.19 253.45 57067.032 5.4 × 105 0.5 7.5 × 10−2 (1.4σ) 4.2 × 10−4

Spectral index γ = 2

GRB 140518A 42.42 227.25 56795.390 2.9 × 103 1.0 1.6 × 10−3 (3.0σ) 7.4 × 10−2
GRB 171120A 22.46 163.79 58077.603 2.7 × 104 1.0 3.6 × 10−3 (2.7σ) 7.4 × 10−2
GRB 120811C 62.30 199.68 56150.652 2.3 × 103 0.1 1.9 × 10−2 (2.1σ) 8.2 × 10−2
GRB 120422A 14.02 136.91 56039.304 1.0 × 106 1.2 2.4 × 10−2 (2.0σ) 8.6 × 10−2
GRB 180514A 36.97 197.37 58252.563 1.3 × 105 0.8 4.7 × 10−2 (1.7σ) 7.8 × 10−2
GRB 100614A 49.23 263.50 55361.954 1.4 × 105 0.7 4.8 × 10−2 (1.7σ) 8.6 × 10−2
GRB 150213B 34.19 253.45 57067.032 5.4 × 105 1.4 4.8 × 10−2 (1.7σ) 9.6 × 10−2
GRB 141121A 22.22 122.67 56982.431 3.1 × 105 0.7 9.7 × 10−2 (1.3σ) 6.9 × 10−2
GRB 170306A −44.75 263.07 57818.302 1.4 × 105 1.0 2.1 × 10−2 (2.0σ) 1.0
GRB 130211A −42.34 147.54 56334.157 6.5 × 105 0.4 7.2 × 10−2 (1.5σ) 9.7 × 10−1

Notes. GRB name, declination δ, right ascension α, starting plateau time tg, plateau duration Δtg, maximum-likelihood , pretrial p value ploc, and 90% confidence-level upper-limit fluence normalization as defined in Eq. (37). Only GRBs that have a positive TS are shown. A total of 260 GRBs (141 north, 119 south) with plateau are analyzed, but only over-fluctuating cases are shown in the table.

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