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Swift-XRT spectra of GRB 250331C

Last updated after receiving ObsID 01299967004, version 8

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 137 to 34759 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+175 s

N_H (Galactic)	6.49 × 10²¹ cm^-2
N_H (intrinsic)	0 (+3.62 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	2.101 (+0.114, -0.073)
Flux (0.3-10 keV) (Observed)	5.1 (+0.4, -0.3) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.21 (+0.54, -1.60) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.92 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.12 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	348.51 (405)
Spectrum exposure	95 s

PC mode. Mean photon arrival: T0+847 s

N_H (Galactic)	6.49 × 10²¹ cm^-2
N_H (intrinsic)	2.6 (+3.4, -2.6) × 10²¹ cm^-2
z of absorber	0
Photon index	1.65 (+0.32, -0.30)
Flux (0.3-10 keV) (Observed)	1.21 (+0.20, -0.17) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.79 (+0.36, -0.23) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	5.86 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.63 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	186.06 (218)
Spectrum exposure	2.8 ks

Late Time spectrum (T0 + 29025 to 34759 s)

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PC mode. Mean photon arrival: T0+32775 s

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