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Swift-XRT spectra of GRB 250807A

Last updated after receiving ObsID 01340514002, version 2

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 107 to 17878 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+508 s

N_H (Galactic)	1.40 × 10²⁰ cm^-2
N_H (intrinsic)	1.76 (+0.11, -0.11) × 10²¹ cm^-2
z of absorber	0
Photon index	1.96 (+0.03, -0.03)
Flux (0.3-10 keV) (Observed)	1.261 (+0.023, -0.022) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.686 (+0.025, -0.026) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	3.53 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.72 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	776.46 (774)
Spectrum exposure	1.2 ks

PC mode. Mean photon arrival: T0+6081 s

N_H (Galactic)	1.40 × 10²⁰ cm^-2
N_H (intrinsic)	1.6 (+0.4, -0.3) × 10²¹ cm^-2
z of absorber	0
Photon index	1.85 (+0.11, -0.10)
Flux (0.3-10 keV) (Observed)	1.07 (+0.07, -0.06) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.36 (+0.07, -0.06) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.89 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.95 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	385.48 (456)
Spectrum exposure	1.9 ks

Late Time spectrum (T0 + 6693 to 17878 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+8791 s

N_H (Galactic)	1.40 × 10²⁰ cm^-2
N_H (intrinsic)	1.6 (+0.5, -0.4) × 10²¹ cm^-2
z of absorber	0
Photon index	1.85 (+0.13, -0.13)
Flux (0.3-10 keV) (Observed)	6.6 (+0.6, -0.5) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.4 (+0.5, -0.4) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.87 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.92 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	353.43 (381)
Spectrum exposure	1.4 ks