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Swift-XRT spectra of GRB 251003A

Last updated after receiving ObsID 01400964003, version 10

Data were analysed using HEASOFT version 6.35.2

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The spectral fits assume a redshift: 4.412 (GCN 42086)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 78 to 55704 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+116 s

N_H (Galactic)	4.39 × 10²¹ cm^-2
N_H (intrinsic)	1.2 (+3.0, -1.2) × 10²² cm^-2
z of absorber	4.412
Photon index	2.688 (+0.108, -0.095)
Flux (0.3-10 keV) (Observed)	5.55 (+0.28, -0.27) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.48 (+0.16, -0.11) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	2.82 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.53 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	369.63 (401)
Spectrum exposure	126 s

PC mode. Mean photon arrival: T0+9530 s

N_H (Galactic)	4.39 × 10²¹ cm^-2
N_H (intrinsic)	0 (+1.03 × 10²³, -0) cm^-2
z of absorber	4.412
Photon index	2.38 (+0.40, -0.19)
Flux (0.3-10 keV) (Observed)	1.51 (+0.22, -0.27) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.08 (+1.16, -0.33) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.40 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.93 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	90.82 (140)
Spectrum exposure	8.1 ks

Late Time spectrum (T0 + 4578 to 55704 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+16185 s

N_H (Galactic)	4.39 × 10²¹ cm^-2
N_H (intrinsic)	0 (+1.20 × 10²³, -0) cm^-2
z of absorber	4.412
Photon index	2.16 (+0.36, -0.29)
Flux (0.3-10 keV) (Observed)	9.8 (+1.8, -2.0) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.72 (+0.49, -0.28) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.78 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.66 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	79.88 (89)
Spectrum exposure	7.9 ks