Table 1: IBIS scientific facts.
Parameter Value

Energy range 15 keV-10 MeV

Sensitive area 2600 cm² CdTe, 2890 cm² CsI

Energy resolution at 100 keV and at 1 MeV 9% and 10% (singles)

Field of view fully coded and partially coded 9 $^{\circ}$ and 19 $^{\circ}$ (50%)

Continuum sensitivity 3 $\sigma$ , 10⁶ s, at 100 keV $3.8\times 10^{-7 }$ and $5.0\times 10^{-7 }$

and 1 MeV (ph cm^-2 s^-1 keV^-1)

Line sensitivity
3 $\sigma$ , 10⁶ s, at 100 keV
$1.3\times 10^{-5}$ and $3.8\times 10^{-4}$

and 1 MeV (ph cm^-2 s^-1 )

Angular resolution 12 arcmin

Point source location accuracy 30 arcsec

Timing resolution 61 $\mu$ s (for E< 1 MeV and Compton), 1 ms (Spectral timing, no imaging)

2000 s ( $E\ge 175$ keV with imaging)

**Table 1:** IBIS scientific facts.
Parameter	Value
Energy range	15 keV-10 MeV
Sensitive area	2600 cm² CdTe, 2890 cm² CsI
Energy resolution at 100 keV and at 1 MeV	9% and 10% (singles)
Field of view fully coded and partially coded	9 $^{\circ}$ and 19 $^{\circ}$ (50%)
Continuum sensitivity 3 $\sigma$ , 10⁶ s, at 100 keV	$3.8\times 10^{-7 }$ and $5.0\times 10^{-7 }$
and 1 MeV (ph cm^-2 s^-1 keV^-1)
Line sensitivity 3 $\sigma$ , 10⁶ s, at 100 keV	$1.3\times 10^{-5}$ and $3.8\times 10^{-4}$
and 1 MeV (ph cm^-2 s^-1 )
Angular resolution	12 arcmin
Point source location accuracy	30 arcsec
Timing resolution	61 $\mu$ s (for E< 1 MeV and Compton), 1 ms (Spectral timing, no imaging)
	2000 s ( $E\ge 175$ keV with imaging)

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