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Swift-XRT spectra of GRB 250129A

Last updated after receiving ObsID 01285812002, version 11

Data were analysed using HEASOFT version 6.32

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

Jump to: Time-averaged|Late Time


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

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+14280 s

NH (Galactic)2.43 × 1020 cm-2
NH (intrinsic)9 (+42, -9) × 1020 cm-2
z of absorber2.151
Photon index1.94 (+0.16, -0.12)
Flux (0.3-10 keV)
(Observed)
2.99 (+0.29, -0.28) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.22 (+0.28, -0.26) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.37 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.64 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
229.41 (265)
Spectrum exposure10.3 ks

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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

NH (Galactic)2.43 × 1020 cm-2
NH (intrinsic)1.1 (+5.2, -1.1) × 1021 cm-2
z of absorber2.151
Photon index1.97 (+0.20, -0.15)
Flux (0.3-10 keV)
(Observed)
2.27 (+0.27, -0.26) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.47 (+0.26, -0.24) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.32 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.61 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
174.06 (214)
Spectrum exposure9.5 ks

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