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Swift-XRT spectra of GRB 250129A

Last updated after receiving ObsID 01285812013, version 9

Data were analysed using HEASOFT version 6.35.2

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Add time-sliced spectrum.

The spectral fits assume a redshift: 2.151 (GCN 39071)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 1141 to 50614 s)

Download spectral files for Time-averaged spectrum.

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+14280 s

N_H (Galactic)	2.43 × 10²⁰ cm^-2
N_H (intrinsic)	1.0 (+4.2, -1.0) × 10²¹ cm^-2
z of absorber	2.151
Photon index	1.92 (+0.16, -0.12)
Flux (0.3-10 keV) (Observed)	3.02 (+0.30, -0.29) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.26 (+0.28, -0.26) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.41 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.68 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	201.23 (260)
Spectrum exposure	10.3 ks

Late Time spectrum (T0 + 5240 to 50614 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+19522 s

N_H (Galactic)	2.43 × 10²⁰ cm^-2
N_H (intrinsic)	1.2 (+5.2, -1.2) × 10²¹ cm^-2
z of absorber	2.151
Photon index	1.95 (+0.19, -0.15)
Flux (0.3-10 keV) (Observed)	2.30 (+0.27, -0.26) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.50 (+0.26, -0.24) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.37 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.65 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	173.87 (215)
Spectrum exposure	9.5 ks