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Swift-XRT spectra of GRB 250317B

Last updated after receiving ObsID 00019621001, version 3

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 + 10228 to 16599 s)

Download spectral files for Time-averaged spectrum.

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+11825 s

N_H (Galactic)	1.01 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+6.19 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	1.83 (+0.34, -0.21)
Flux (0.3-10 keV) (Observed)	3.1 (+0.5, -0.6) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.2 (+0.5, -0.6) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.49 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.57 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	89.55 (93)
Spectrum exposure	1.7 ks

Late Time spectrum (T0 + 10228 to 16599 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+11825 s

N_H (Galactic)	1.01 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+6.19 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	1.83 (+0.34, -0.21)
Flux (0.3-10 keV) (Observed)	3.1 (+0.5, -0.6) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.2 (+0.5, -0.6) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.49 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.57 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	89.55 (93)
Spectrum exposure	1.7 ks