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Swift-XRT spectra of GRB 100117A

Last updated after receiving ObsID 00382941005, version 26

Data were analysed using HEASOFT version 6.35.2

About these products.

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Add time-sliced spectrum.

The spectral fits assume a redshift: 0.92 (Fong et al. 2011)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 86 to 93358 s)

Download spectral files for Time-averaged spectrum.

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+159 s

N_H (Galactic)	2.91 × 10²⁰ cm^-2
N_H (intrinsic)	4.2 (+1.8, -1.6) × 10²¹ cm^-2
z of absorber	0.92
Photon index	1.47 (+0.11, -0.11)
Flux (0.3-10 keV) (Observed)	4.8 (+0.4, -0.4) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.3 (+0.4, -0.3) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	4.51 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.02 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	352.86 (431)
Spectrum exposure	158 s

PC mode. Mean photon arrival: T0+3718 s

N_H (Galactic)	2.91 × 10²⁰ cm^-2
N_H (intrinsic)	7 (+6, -4) × 10²¹ cm^-2
z of absorber	0.92
Photon index	2.7 (+0.6, -0.5)
Flux (0.3-10 keV) (Observed)	3.5 (+1.0, -0.8) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.6 (+4.3, -1.8) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	2.75 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.23 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	87.73 (95)
Spectrum exposure	31.8 ks

Late Time spectrum (T0 + 5177 to 93358 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+50396 s

N_H (Galactic)	2.91 × 10²⁰ cm^-2
N_H (intrinsic)	2.3 (+7.4, -1.5) × 10²² cm^-2
z of absorber	0.92
Photon index	7 (-7, -4)
Flux (0.3-10 keV) (Observed)	5 (+6, -3) × 10^-15 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.9 (+25.5, -4.8) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	1.92 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.71 × 10^-9 erg cm^-2 ct^-1
W-stat (dof) What's this?	1.47 (5)
Spectrum exposure	31.5 ks