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Swift-XRT spectra of GRB 250128B

Last updated after receiving ObsID 01285677002, version 6

Data were analysed using HEASOFT version 6.32

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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)	1.3 (+3.0, -1.3) × 10²¹ cm^-2
z of absorber	0
Photon index	2.0 (+0.8, -0.6)
Flux (0.3-10 keV) (Observed)	6.0 (+2.8, -1.8) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.3 (+3.1, -1.9) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.69 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.13 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	54.85 (69)
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)	9 (+4.78 × 10³, -9) × 10²² cm^-2
z of absorber	0
Photon index	-0.9 (+4.6, +0.9)
Flux (0.3-10 keV) (Observed)	5 (+1.00 × 10¹¹, -4) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5 (+1.00 × 10¹¹, -5) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.21 × 10^-8 erg cm^-2 ct^-1
Counts to flux (unabs)	3.73 × 10^-8 erg cm^-2 ct^-1
W-stat (dof) What's this?	1.21 (4)
Spectrum exposure	6.2 ks