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Swift-XRT spectra of GRB 250617B

Last updated after receiving ObsID 01325580001, version 13

Data were analysed using HEASOFT version 6.32

About these products.

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Add time-sliced spectrum.

The spectral fits assume a redshift: 1.396 (GCN 40776)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 800 to 64472 s)

Download spectral files for Time-averaged spectrum.

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+14377 s

N_H (Galactic)	9.66 × 10²⁰ cm^-2
N_H (intrinsic)	5.4 (+3.1, -2.8) × 10²¹ cm^-2
z of absorber	1.396
Photon index	2.11 (+0.15, -0.15)
Flux (0.3-10 keV) (Observed)	5.2 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.3 (+0.6, -0.5) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.34 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.63 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	286.26 (294)
Spectrum exposure	9.4 ks

Late Time spectrum (T0 + 6961 to 64472 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+20889 s

N_H (Galactic)	9.66 × 10²⁰ cm^-2
N_H (intrinsic)	6 (+4, -4) × 10²¹ cm^-2
z of absorber	1.396
Photon index	2.06 (+0.19, -0.18)
Flux (0.3-10 keV) (Observed)	3.2 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.4 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.44 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.71 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	201.11 (245)
Spectrum exposure	7.7 ks