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Swift-XRT spectra of GRB 171115A

Last updated after receiving ObsID 00790053002, version 7

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 75 to 109270 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+89 s

N_H (Galactic)	2.97 × 10²¹ cm^-2
N_H (intrinsic)	2.0 (+16.8, -2.0) × 10²⁰ cm^-2
z of absorber	0
Photon index	2.20 (+0.40, -0.24)
Flux (0.3-10 keV) (Observed)	2.5 (+0.4, -0.4) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.16 (+1.43, -0.77) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.08 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.14 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	127.48 (168)
Spectrum exposure	35 s

PC mode. Mean photon arrival: T0+17451 s

N_H (Galactic)	2.97 × 10²¹ cm^-2
N_H (intrinsic)	4.7 (+15.5, -4.7) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.94 (+0.31, -0.24)
Flux (0.3-10 keV) (Observed)	5.83 (+1.00, -0.88) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.5 (+1.5, -1.1) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.91 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.72 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	171.12 (195)
Spectrum exposure	25.4 ks

Late Time spectrum (T0 + 4744 to 109270 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+33108 s

N_H (Galactic)	2.97 × 10²¹ cm^-2
N_H (intrinsic)	0 (+1.97 × 10²¹, -0) cm^-2
z of absorber	0
Photon index	1.65 (+0.43, -0.18)
Flux (0.3-10 keV) (Observed)	3.6 (+0.6, -0.8) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.6 (+0.7, -0.8) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	4.46 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.70 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	114.63 (120)
Spectrum exposure	24.1 ks