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Swift-XRT spectra of GRB 250207A

Last updated after receiving ObsID 01287821007, version 12

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 112 to 10053 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)	4.1 (+1.2, -1.2) × 10²⁰ cm^-2
z of absorber	0
Photon index	2.12 (+0.06, -0.05)
Flux (0.3-10 keV) (Observed)	6.14 (+0.19, -0.18) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.32 (+0.19, -0.19) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.05 × 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?	554.53 (556)
Spectrum exposure	370 s

PC mode. Mean photon arrival: T0+3072 s

N_H (Galactic)	2.42 × 10²⁰ cm^-2
N_H (intrinsic)	3 (+4, -3) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.95 (+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)	2.58 (+0.21, -0.16) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.39 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.84 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	236.68 (286)
Spectrum exposure	2.1 ks

Late Time spectrum (T0 + 4180 to 10053 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+5099 s

N_H (Galactic)	2.42 × 10²⁰ cm^-2
N_H (intrinsic)	5 (+5, -5) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.98 (+0.22, -0.20)
Flux (0.3-10 keV) (Observed)	1.15 (+0.15, -0.13) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.35 (+0.15, -0.12) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.39 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.99 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	169.94 (213)
Spectrum exposure	1.8 ks