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Swift-XRT spectra of GRB 250128B

Last updated after receiving ObsID 01285677002, version 9

Data were analysed using HEASOFT version 6.35.2

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Add time-sliced spectrum.

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 87 to 41015 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+1525 s

N_H (Galactic)	8.00 × 10²⁰ cm^-2
N_H (intrinsic)	1.2 (+3.0, -1.2) × 10²¹ cm^-2
z of absorber	0
Photon index	2.0 (+0.7, -0.6)
Flux (0.3-10 keV) (Observed)	6.1 (+2.8, -1.8) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.3 (+5.1, -1.9) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.75 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.12 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	52.92 (67)
Spectrum exposure	7.7 ks

Late Time spectrum (T0 + 5088 to 41015 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+8752 s

N_H (Galactic)	8.00 × 10²⁰ cm^-2
N_H (intrinsic)	1.7 (+47.2, -1.4) × 10²³ cm^-2
z of absorber	0
Photon index	2.5 (+5.5, -2.5)
Flux (0.3-10 keV) (Observed)	1.2 (+1.00 × 10¹¹, -1.2) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.1 (+1.00 × 10¹⁰, -0.8) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	8.40 × 10^-9 erg cm^-2 ct^-1
Counts to flux (unabs)	7.69 × 10^-8 erg cm^-2 ct^-1
W-stat (dof) What's this?	6.88 (5)
Spectrum exposure	6.2 ks