Estimating the peak energy of Swift gamma-ray bursts using supervised machine learning

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Volume 708 (April 2026)

A&A, 708 (2026) A148

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Table 1.

List of the 516 BAT GRBs in the training set (extract).

GRB	T₉₀	F_p	S_γ	Γ	E_p
	(s)	(ph cm⁻² s⁻¹)	(10⁻⁷ erg cm⁻²)		(keV)
GRB050126	24.80	0.71 ± 0.17	8.38 ± 0.80	1.34	$158_{- 41}^{+ 82}$ $Mathematical equation: $ 158 ^{+ 82 }_{- 41 } $$
GRB050315	95.60	1.93 ± 0.22	32.20 ± 1.46	2.11	$47_{- 5}^{+ 4}$ $Mathematical equation: $ 47 ^{+ 4 }_{- 5 } $$
GRB050318	32.00	3.16 ± 0.20	10.80 ± 0.77	1.90	$34_{- 5}^{+ 8}$ $Mathematical equation: $ 34 ^{+ 8 }_{- 5 } $$
GRB050401	33.30	10.70 ± 0.92	82.20 ± 3.06	1.40	$105_{- 11}^{+ 14}$ $Mathematical equation: $ 105 ^{+ 14 }_{- 11 } $$
GRB050505	58.90	1.85 ± 0.31	24.90 ± 1.79	1.41	$99_{- 13}^{+ 20}$ $Mathematical equation: $ 99 ^{+ 20 }_{- 13 } $$

Notes. Only a portion of this table is shown here for guidance. The full table is available at the CDS.

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