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Swift-XRT spectra of GRB 250207A

Last updated after receiving ObsID 01287821001, version 3

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 112 to 5942 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+244 s

N_H (Galactic)	2.42 × 10²⁰ cm^-2
N_H (intrinsic)	4.3 (+1.2, -1.2) × 10²⁰ cm^-2
z of absorber	0
Photon index	2.14 (+0.06, -0.06)
Flux (0.3-10 keV) (Observed)	6.07 (+0.18, -0.18) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.30 (+0.19, -0.19) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.01 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.63 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	490.85 (558)
Spectrum exposure	370 s

PC mode. Mean photon arrival: T0+3031 s

N_H (Galactic)	2.42 × 10²⁰ cm^-2
N_H (intrinsic)	3 (+4, -3) × 10²⁰ cm^-2
z of absorber	0
Photon index	2.02 (+0.16, -0.15)
Flux (0.3-10 keV) (Observed)	2.28 (+0.22, -0.20) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.61 (+0.21, -0.17) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.29 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.77 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	232.55 (278)
Spectrum exposure	2.1 ks

Late Time spectrum (T0 + 4180 to 5942 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+5073 s

N_H (Galactic)	2.42 × 10²⁰ cm^-2
N_H (intrinsic)	5 (+5, -4) × 10²⁰ cm^-2
z of absorber	0
Photon index	2.06 (+0.23, -0.21)
Flux (0.3-10 keV) (Observed)	1.12 (+0.15, -0.13) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.34 (+0.15, -0.14) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.25 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.88 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	176.58 (204)
Spectrum exposure	1.7 ks