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Swift-XRT spectra of GRB 131128A

Last updated after receiving ObsID 00579683001, version 20

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 90 to 91114 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+93 s

N_H (Galactic)	6.67 × 10²⁰ cm^-2
N_H (intrinsic)	3.2 (+6.4, -2.9) × 10²¹ cm^-2
z of absorber	0
Photon index	2.01 (+1.13, -0.92)
Flux (0.3-10 keV) (Observed)	2.7 (+2.1, -1.0) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.2 (+5.0, -0.8) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.95 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.12 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	23.63 (29)
Spectrum exposure	8 s

PC mode. Mean photon arrival: T0+10710 s

N_H (Galactic)	6.67 × 10²⁰ cm^-2
N_H (intrinsic)	7 (+7, -6) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.59 (+0.18, -0.17)
Flux (0.3-10 keV) (Observed)	2.29 (+0.29, -0.25) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.64 (+0.25, -0.21) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.33 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.99 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	212.15 (280)
Spectrum exposure	16.0 ks

Late Time spectrum (T0 + 5274 to 91114 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+15750 s

N_H (Galactic)	6.67 × 10²⁰ cm^-2
N_H (intrinsic)	4 (+8, -4) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.44 (+0.21, -0.20)
Flux (0.3-10 keV) (Observed)	1.47 (+0.23, -0.20) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.62 (+0.18, -0.15) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.71 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.17 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	170.14 (225)
Spectrum exposure	14.8 ks