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Swift-XRT spectra of GRB 170113A

Last updated after receiving ObsID 00732526010, version 12

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 1.968 (GCN 20458)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 65 to 51815 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+126 s

N_H (Galactic)	1.09 × 10²¹ cm^-2
N_H (intrinsic)	9.2 (+2.5, -2.4) × 10²¹ cm^-2
z of absorber	1.968
Photon index	1.85 (+0.06, -0.06)
Flux (0.3-10 keV) (Observed)	9.5 (+0.4, -0.4) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.20 (+0.04, -0.04) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	3.68 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.67 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	533.88 (594)
Spectrum exposure	243 s

PC mode. Mean photon arrival: T0+10513 s

N_H (Galactic)	1.09 × 10²¹ cm^-2
N_H (intrinsic)	8.6 (+3.0, -2.8) × 10²¹ cm^-2
z of absorber	1.968
Photon index	1.78 (+0.07, -0.07)
Flux (0.3-10 keV) (Observed)	1.63 (+0.08, -0.07) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.01 (+0.07, -0.07) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.90 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.83 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	480.34 (529)
Spectrum exposure	13.9 ks

Late Time spectrum (T0 + 5161 to 51815 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+15391 s

N_H (Galactic)	1.09 × 10²¹ cm^-2
N_H (intrinsic)	7 (+4, -3) × 10²¹ cm^-2
z of absorber	1.968
Photon index	1.75 (+0.08, -0.08)
Flux (0.3-10 keV) (Observed)	9.8 (+0.6, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.19 (+0.05, -0.05) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.95 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.80 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	387.62 (485)
Spectrum exposure	12.3 ks