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Swift-XRT spectra of GRB 171027A

Last updated after receiving ObsID 00783479007, version 15

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 93 to 62951 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+133 s

N_H (Galactic)	1.08 × 10²¹ cm^-2
N_H (intrinsic)	2.2 (+0.4, -0.4) × 10²¹ cm^-2
z of absorber	0
Photon index	1.40 (+0.07, -0.07)
Flux (0.3-10 keV) (Observed)	3.23 (+0.13, -0.13) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.83 (+0.12, -0.12) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	5.33 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.31 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	630.87 (691)
Spectrum exposure	191 s

PC mode. Mean photon arrival: T0+11293 s

N_H (Galactic)	1.08 × 10²¹ cm^-2
N_H (intrinsic)	1.9 (+0.5, -0.4) × 10²¹ cm^-2
z of absorber	0
Photon index	1.93 (+0.11, -0.10)
Flux (0.3-10 keV) (Observed)	8.6 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.22 (+0.06, -0.06) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.83 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.44 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	450.10 (475)
Spectrum exposure	14.5 ks

Late Time spectrum (T0 + 4714 to 62951 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+14555 s

N_H (Galactic)	1.08 × 10²¹ cm^-2
N_H (intrinsic)	1.9 (+0.5, -0.5) × 10²¹ cm^-2
z of absorber	0
Photon index	2.04 (+0.12, -0.12)
Flux (0.3-10 keV) (Observed)	5.4 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.1 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.59 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.41 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	387.42 (413)
Spectrum exposure	13.9 ks