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Swift-XRT spectra of GRB 170208A

Last updated after receiving ObsID 00737438002, version 9

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 123 to 12976 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+151 s

N_H (Galactic)	1.25 × 10²¹ cm^-2
N_H (intrinsic)	2.4 (+1.8, -1.4) × 10²¹ cm^-2
z of absorber	0
Photon index	1.8 (+0.3, -0.3)
Flux (0.3-10 keV) (Observed)	2.2 (+0.4, -0.4) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.1 (+0.6, -0.4) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.89 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.49 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	154.66 (198)
Spectrum exposure	56 s

PC mode. Mean photon arrival: T0+3116 s

N_H (Galactic)	1.25 × 10²¹ cm^-2
N_H (intrinsic)	3.68 (+1.02, -0.92) × 10²¹ cm^-2
z of absorber	0
Photon index	2.00 (+0.17, -0.17)
Flux (0.3-10 keV) (Observed)	1.40 (+0.13, -0.12) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.27 (+0.27, -0.20) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.07 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.58 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	326.36 (350)
Spectrum exposure	5.4 ks

Late Time spectrum (T0 + 4734 to 12976 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+7838 s

N_H (Galactic)	1.25 × 10²¹ cm^-2
N_H (intrinsic)	3.4 (+1.7, -1.5) × 10²¹ cm^-2
z of absorber	0
Photon index	2.09 (+0.31, -0.29)
Flux (0.3-10 keV) (Observed)	3.4 (+0.6, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.66 (+1.43, -0.70) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.81 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.43 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	148.74 (190)
Spectrum exposure	4.1 ks