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Swift-XRT spectra of GRB 250628A

Last updated after receiving ObsID 01328546002, version 2

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 127 to 39054 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+145 s

N_H (Galactic)	2.30 × 10²⁰ cm^-2
N_H (intrinsic)	3.29 (+1.04, -0.88) × 10²¹ cm^-2
z of absorber	0
Photon index	2.65 (+0.30, -0.28)
Flux (0.3-10 keV) (Observed)	3.3 (+0.4, -0.4) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.7 (+2.5, -1.0) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.68 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.28 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	161.81 (212)
Spectrum exposure	47 s

PC mode. Mean photon arrival: T0+11770 s

N_H (Galactic)	2.30 × 10²⁰ cm^-2
N_H (intrinsic)	3.0 (+0.8, -0.7) × 10²¹ cm^-2
z of absorber	0
Photon index	1.93 (+0.17, -0.16)
Flux (0.3-10 keV) (Observed)	4.1 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.9 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.01 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.78 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	293.67 (341)
Spectrum exposure	10.9 ks

Late Time spectrum (T0 + 4241 to 39054 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+13062 s

N_H (Galactic)	2.30 × 10²⁰ cm^-2
N_H (intrinsic)	3.1 (+0.8, -0.8) × 10²¹ cm^-2
z of absorber	0
Photon index	1.93 (+0.18, -0.17)
Flux (0.3-10 keV) (Observed)	3.7 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.3 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.01 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.82 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	295.27 (324)
Spectrum exposure	10.3 ks