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Swift-XRT spectra of GRB 070208

Last updated after receiving ObsID 00259714006, version 13

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 1.17 (GCN 6083)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 119 to 45755 s)

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PC mode spectrum of Time-averaged

WT mode. Mean photon arrival: T0+122 s

Can't find a valid fit for this spectrum

PC mode. Mean photon arrival: T0+12338 s

N_H (Galactic)	1.84 × 10²⁰ cm^-2
N_H (intrinsic)	8.7 (+3.3, -2.9) × 10²¹ cm^-2
z of absorber	1.17
Photon index	2.03 (+0.19, -0.18)
Flux (0.3-10 keV) (Observed)	1.47 (+0.18, -0.16) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.97 (+0.20, -0.18) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.34 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.48 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	214.96 (244)
Spectrum exposure	15.1 ks

Late Time spectrum (T0 + 4402 to 45755 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+15669 s

N_H (Galactic)	1.84 × 10²⁰ cm^-2
N_H (intrinsic)	10 (+4, -3) × 10²¹ cm^-2
z of absorber	1.17
Photon index	2.07 (+0.22, -0.21)
Flux (0.3-10 keV) (Observed)	1.29 (+0.18, -0.15) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.79 (+0.22, -0.19) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.31 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.59 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	175.65 (210)
Spectrum exposure	14.7 ks