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Swift-XRT spectra of GRB 240411B

Last updated after receiving ObsID 01221183002, version 17

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 185 to 86200 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+9799 s

N_H (Galactic)	1.11 × 10²¹ cm^-2
N_H (intrinsic)	8.9 (+104.5, -8.9) × 10¹⁹ cm^-2
z of absorber	0
Photon index	2.14 (+0.38, -0.23)
Flux (0.3-10 keV) (Observed)	1.41 (+0.23, -0.24) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.87 (+0.33, -0.23) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.16 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.18 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	117.32 (140)
Spectrum exposure	5.6 ks

Late Time spectrum (T0 + 7374 to 86200 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+27343 s

N_H (Galactic)	1.11 × 10²¹ cm^-2
N_H (intrinsic)	3.4 (+27.6, -3.4) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.8 (+0.7, -0.4)
Flux (0.3-10 keV) (Observed)	5.2 (+1.8, -1.6) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.3 (+2.0, -1.6) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.95 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.82 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	45.32 (51)
Spectrum exposure	5.2 ks