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Swift-XRT spectra of GRB 111018A

Last updated after receiving ObsID 00505801002, version 11

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 129 to 75417 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+197 s

N_H (Galactic)	3.98 × 10²¹ cm^-2
N_H (intrinsic)	2.8 (+7.5, -2.8) × 10²² cm^-2
z of absorber	0
Photon index	4 (+5, -4)
Flux (0.3-10 keV) (Observed)	3.1 (+5.8, -1.9) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.1 (+1.00 × 10¹⁰, -0.8) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.01 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.15 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	12.03 (10)
Spectrum exposure	15 s

PC mode. Mean photon arrival: T0+7890 s

N_H (Galactic)	3.98 × 10²¹ cm^-2
N_H (intrinsic)	2.1 (+1.6, -1.1) × 10²² cm^-2
z of absorber	0
Photon index	2.1 (+0.8, -0.7)
Flux (0.3-10 keV) (Observed)	3.24 (+1.01, -0.75) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.0 (+14.8, -2.5) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	6.33 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.56 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	86.20 (92)
Spectrum exposure	25.4 ks

Late Time spectrum (T0 + 4981 to 75417 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+25680 s

N_H (Galactic)	3.98 × 10²¹ cm^-2
N_H (intrinsic)	2.8 (+2.9, -2.0) × 10²² cm^-2
z of absorber	0
Photon index	3.1 (+1.9, -1.5)
Flux (0.3-10 keV) (Observed)	9 (+6, -3) × 10^-14 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9 (+951, -7) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	4.72 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.09 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	23.53 (27)
Spectrum exposure	23.9 ks