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Swift-XRT spectra of GRB 250504A

Last updated after receiving ObsID 01310284001, version 9

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 81 to 56729 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+103 s

N_H (Galactic)	2.12 × 10²¹ cm^-2
N_H (intrinsic)	0 (+1.12 × 10²¹, -0) cm^-2
z of absorber	0
Photon index	1.64 (+0.33, -0.13)
Flux (0.3-10 keV) (Observed)	2.9 (+0.5, -0.5) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.6 (+0.4, -0.6) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	4.02 × 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?	164.42 (206)
Spectrum exposure	47 s

PC mode. Mean photon arrival: T0+1825 s

N_H (Galactic)	2.12 × 10²¹ cm^-2
N_H (intrinsic)	7.5 (+14.3, -7.5) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.60 (+0.24, -0.22)
Flux (0.3-10 keV) (Observed)	1.05 (+0.16, -0.14) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.31 (+0.15, -0.13) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.84 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.01 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	190.84 (247)
Spectrum exposure	6.9 ks

Late Time spectrum (T0 + 5060 to 56729 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+11634 s

N_H (Galactic)	2.12 × 10²¹ cm^-2
N_H (intrinsic)	0 (+1.22 × 10²², -0) cm^-2
z of absorber	0
Photon index	1.44 (+1.36, -0.42)
Flux (0.3-10 keV) (Observed)	5.6 (+2.4, -2.4) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.5 (+2.5, -2.0) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	5.34 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.16 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	32.39 (43)
Spectrum exposure	6.1 ks