HERMES: Gamma-ray burst and gravitational wave counterpart hunter

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Table 3.

HERMES detection threshold photon flux.

	LONG		SHORT

	$P_{\lim}^{50 - 300}$ $P_{\mathrm{lim}}^{50{-}300}$	$P_{\lim}^{10 - 1000}$ $P_{\mathrm{lim}}^{10{-}1000}$	$P_{\lim}^{50 - 300}$ $P_{\mathrm{lim}}^{50{-}300}$	$P_{\lim}^{10 - 1000}$ $P_{\mathrm{lim}}^{10{-}1000}$
	ph cm⁻² s⁻¹	ph cm⁻² s⁻¹	ph cm⁻² s⁻¹	ph cm⁻² s⁻¹
HP	0.8	3.1	5.6	12.1
Const. A	0.07	0.41	1.1	2.4
Const. B	0.02	0.15	0.74	1.6

Notes. For long and short GRBs the detection threshold photon flux is computed at 1 s and 64 ms, respectively. Threshold value is calculated as the photon flux above which at least 80% of the GRBs falling within the FoV are actually detected at more than 5σ. For each single module of the HP and of the Constellations A and B, the FoV is reported in Table 1.

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