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Swift-XRT spectra of GRB 251103B

Last updated after receiving ObsID 01409824001, version 14

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 79 to 73452 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+121 s

N_H (Galactic)	3.33 × 10²¹ cm^-2
N_H (intrinsic)	5.4 (+0.7, -0.6) × 10²¹ cm^-2
z of absorber	0
Photon index	2.20 (+0.08, -0.08)
Flux (0.3-10 keV) (Observed)	2.01 (+0.08, -0.07) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.28 (+0.31, -0.26) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	4.11 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.73 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	581.10 (646)
Spectrum exposure	143 s

PC mode. Mean photon arrival: T0+13785 s

N_H (Galactic)	3.33 × 10²¹ cm^-2
N_H (intrinsic)	1.7 (+1.1, -1.0) × 10²¹ cm^-2
z of absorber	0
Photon index	2.03 (+0.20, -0.19)
Flux (0.3-10 keV) (Observed)	3.5 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.9 (+0.8, -0.6) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.12 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.84 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	267.51 (314)
Spectrum exposure	12.0 ks

Late Time spectrum (T0 + 10323 to 73452 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+22515 s

N_H (Galactic)	3.33 × 10²¹ cm^-2
N_H (intrinsic)	2.8 (+1.9, -1.6) × 10²¹ cm^-2
z of absorber	0
Photon index	1.87 (+0.26, -0.24)
Flux (0.3-10 keV) (Observed)	2.5 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.9 (+0.7, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.71 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.35 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	217.44 (239)
Spectrum exposure	10.7 ks