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Swift-XRT spectra of GRB 250114A

Last updated after receiving ObsID 01281241008, version 7

Data were analysed using HEASOFT version 6.35.2

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Add time-sliced spectrum.

The spectral fits assume a redshift: 4.732 (GCN 38934)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 134 to 40640 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+270 s

N_H (Galactic)	5.06 × 10²⁰ cm^-2
N_H (intrinsic)	1.5 (+0.9, -0.8) × 10²² cm^-2
z of absorber	4.732
Photon index	1.09 (+0.03, -0.03)
Flux (0.3-10 keV) (Observed)	2.12 (+0.05, -0.05) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.20 (+0.05, -0.05) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	5.75 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.97 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	763.42 (813)
Spectrum exposure	317 s

PC mode. Mean photon arrival: T0+8453 s

N_H (Galactic)	5.06 × 10²⁰ cm^-2
N_H (intrinsic)	1.1 (+2.2, -1.1) × 10²² cm^-2
z of absorber	4.732
Photon index	1.85 (+0.14, -0.13)
Flux (0.3-10 keV) (Observed)	4.3 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.9 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.62 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.10 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	253.40 (294)
Spectrum exposure	9.8 ks

Late Time spectrum (T0 + 4626 to 40640 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+13538 s

N_H (Galactic)	5.06 × 10²⁰ cm^-2
N_H (intrinsic)	9.6 (+26.1, -9.6) × 10²¹ cm^-2
z of absorber	4.732
Photon index	2.03 (+0.19, -0.16)
Flux (0.3-10 keV) (Observed)	2.14 (+0.26, -0.23) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.50 (+0.25, -0.23) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.28 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.84 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	158.98 (221)
Spectrum exposure	9.0 ks