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Swift-XRT spectra of GRB 170208B

Last updated after receiving ObsID 00737463007, version 10

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 68 to 40134 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+151 s

N_H (Galactic)	5.32 × 10²⁰ cm^-2
N_H (intrinsic)	3.96 (+0.22, -0.21) × 10²¹ cm^-2
z of absorber	0
Photon index	2.41 (+0.05, -0.05)
Flux (0.3-10 keV) (Observed)	2.55 (+0.06, -0.06) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.38 (+0.23, -0.10) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	3.17 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.70 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	644.07 (677)
Spectrum exposure	260 s

PC mode. Mean photon arrival: T0+7909 s

N_H (Galactic)	5.32 × 10²⁰ cm^-2
N_H (intrinsic)	3.7 (+0.7, -0.7) × 10²¹ cm^-2
z of absorber	0
Photon index	2.21 (+0.16, -0.15)
Flux (0.3-10 keV) (Observed)	6.4 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.15 (+0.09, -0.10) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.52 × 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?	327.53 (370)
Spectrum exposure	9.8 ks

Late Time spectrum (T0 + 5425 to 40134 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+19012 s

N_H (Galactic)	5.32 × 10²⁰ cm^-2
N_H (intrinsic)	4.3 (+1.3, -1.2) × 10²¹ cm^-2
z of absorber	0
Photon index	2.43 (+0.28, -0.26)
Flux (0.3-10 keV) (Observed)	2.27 (+0.30, -0.26) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.97 (+1.46, -0.81) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.22 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.05 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	210.76 (213)
Spectrum exposure	7.9 ks