Cross-calibration of the energy response of the gamma-ray detectors on board GECAM-B

Open Access

Table 2

Spectral fitting results of Fermi/GBM only.

GRB name	Model	α	β	E_cut (keV)	pgstat/d.o.f	Flux (erg/cm²/s)
GRB 210317A	Cutoffpl	$- {1.20}_{- 0.10}^{+ 0.09}$ $-1.20_{-0.10}^{+0.09}$	–	${290.68}_{- 50.74}^{+ 67.37}$ $290.68_{-50.74}^{+67.37}$	281/255	${9.97}_{- 0.92}^{+ 0.23} \times 10^{- 7}$ $9.97_{-0.92}^{+0.23} x 10^{-7}$
GRB 210427A	Cutoffpl	$- {0.52}_{- 0.13}^{+ 0.12}$ $-0.52_{-0.13}^{+0.12}$	–	${392.39}_{- 57.46}^{+ 71.72}$ $392.39_{-57.46}^{+71.72}$	288/271	${1.09}_{- 0.66}^{+ 0.04} \times 10^{- 6}$ $1.09_{-0.66}^{+0.04} x 10^{-6}$
GRB 210511B	band	$- {0.65}_{- 0.05}^{+ 0.06}$ $-0.65_{-0.05}^{+0.06}$	$- {2.44}_{- 0.11}^{+ 0.09}$ $-2.44_{-0.11}^{+0.09}$	${90.75}_{- 7.81}^{+ 8.15}$ $90.75_{-7.81}^{+8.15}$	314/249	${1.44}_{- 0.09}^{+ 0.06} \times 10^{- 6}$ $1.44_{-0.09}^{+0.06} x 10^{-6}$
GRB 210606B	Cutoffpl	$- {1.02}_{- 0.02}^{+ 0.02}$ $-1.02_{-0.02}^{+0.02}$	–	${401.34}_{- 21.05}^{+ 22.73}$ $401.34_{-21.05}^{+22.73}$	402/286	${3.50}_{- 0.07}^{+ 0.11} \times 10^{- 6}$ $3.50_{-0.07}^{+0.11} x 10^{-6}$
GRB 210619B	band	$- {0.76}_{- 0.03}^{+ 0.03}$ $-0.76_{-0.03}^{+0.03}$	$- {2.26}_{- 0.05}^{+ 0.05}$ $-2.26_{-0.05}^{+0.05}$	${148.37}_{- 10.41}^{+ 11.18}$ $148.37_{-10.41}^{+11.18}$	312/306	${6.55}_{- 0.13}^{+ 0.13} \times 10^{- 6}$ $6.55_{-0.13}^{+0.13} x 10^{-6}$
GRB 211204C	Cutoffpl	$- {0.94}_{- 0.05}^{+ 0.05}$ $-0.94_{-0.05}^{+0.05}$	–	${455.48}_{- 43.26}^{+ 50.16}$ $455.48_{-43.26}^{+50.16}$	333/288	${2.35}_{- 0.15}^{+ 0.02} \times 10^{- 6}$ $2.35_{-0.15}^{+0.02} x 10^{-6}$
GRB 220511A	band	$- {0.72}_{- 0.07}^{+ 0.07}$ $-0.72_{-0.07}^{+0.07}$	$- {2.68}_{- 0.46}^{+ 0.24}$ $-2.68_{-0.46}^{+0.24}$	${127.01}_{- 15.43}^{+ 17.26}$ $127.01_{-15.43}^{+17.26}$	250/246	${1.28}_{- 0.12}^{+ 0.06} \times 10^{- 6}$ $1.28_{-0.12}^{+0.06} x 10^{-6}$
GRB 220514A	band	$- {0.99}_{- 0.06}^{+ 0.06}$ $-0.99_{-0.06}^{+0.06}$	$- {2.14}_{- 0.13}^{+ 0.09}$ $-2.14_{-0.13}^{+0.09}$	${158.94}_{- 21.80}^{+ 27.08}$ $158.94_{-21.80}^{+27.08}$	398/352	${1.25}_{- 0.09}^{+ 0.06} \times 10^{- 6}$ $1.25_{-0.09}^{+0.06} x 10^{-6}$

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