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Swift-XRT spectra of GRB 070808

Last updated after receiving ObsID 00287260003, version 23

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 118 to 77021 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+126 s

N_H (Galactic)	3.06 × 10²⁰ cm^-2
N_H (intrinsic)	9 (+7, -5) × 10²¹ cm^-2
z of absorber	0
Photon index	1.5 (+0.6, -0.6)
Flux (0.3-10 keV) (Observed)	4.4 (+1.6, -1.2) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.1 (+2.5, -1.3) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	5.48 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.68 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	83.19 (89)
Spectrum exposure	15 s

PC mode. Mean photon arrival: T0+5899 s

N_H (Galactic)	3.06 × 10²⁰ cm^-2
N_H (intrinsic)	1.3 (+0.4, -0.3) × 10²² cm^-2
z of absorber	0
Photon index	2.03 (+0.31, -0.29)
Flux (0.3-10 keV) (Observed)	1.30 (+0.18, -0.16) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.6 (+0.8, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	5.09 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.03 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	209.99 (248)
Spectrum exposure	20.7 ks

Late Time spectrum (T0 + 5082 to 77021 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+24134 s

N_H (Galactic)	3.06 × 10²⁰ cm^-2
N_H (intrinsic)	1.5 (+0.8, -0.6) × 10²² cm^-2
z of absorber	0
Photon index	3.59 (+1.04, -0.84)
Flux (0.3-10 keV) (Observed)	1.6 (+0.5, -0.4) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.26 (+25.94, -0.49) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	2.88 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.14 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	43.08 (61)
Spectrum exposure	19.0 ks