A comprehensive broadband analysis of the high-redshift GRB 240218A

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Table 3.

X-ray/NIR light curve fit results.

Parameter	Value
α_X, 1	$- 0 . 49_{- 0.18}^{+ 0.25}$ $-0.49_{-0.18}^{+0.25}$
α_X, 2	$- 2 . 04_{- 0.88}^{+ 0.80}$ $-2.04_{-0.88}^{+0.80}$
α_H, 1	$- 0 . 62_{- 0.09}^{+ 0.09}$ $-0.62_{-0.09}^{+0.09}$
α_H, 2	$0 . 41_{- 0.49}^{+ 0.88}$ $0.41_{-0.49}^{+0.88}$
α_H, 3	$- 1 . 63_{- 0.11}^{+ 0.10}$ $-1.63_{-0.11}^{+0.10}$
t_H [s]	$16 218_{- 6668}^{+ 20 090}$ $16\,218_{-6668}^{+20\,090}$
t_b [s]	$74 132_{- 27 358}^{+ 25 516}$ $74\,132_{-27\,358}^{+25\,516}$

Notes. Results for the X-ray/NIR light curves best fit, with a common break time t_b in the two bands. t_H is the first break time in the NIR light curve. Reported values are the median of the posterior distributions; errors are at the 1σ level.

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