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Swift-XRT spectra of GRB 070704

Last updated after receiving ObsID 00283791004, version 21

Data were analysed using HEASOFT version 6.29

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 159 to 64505 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+345 s

N_H (Galactic)	8.54 × 10²¹ cm^-2
N_H (intrinsic)	8.7 (+1.0, -0.9) × 10²¹ cm^-2
z of absorber	0
Photon index	1.76 (+0.06, -0.06)
Flux (0.3-10 keV) (Observed)	1.65 (+0.04, -0.04) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.88 (+0.13, -0.11) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	6.15 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.08 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	780.99 (804)
Spectrum exposure	373 s

PC mode. Mean photon arrival: T0+10041 s

N_H (Galactic)	8.54 × 10²¹ cm^-2
N_H (intrinsic)	8 (+4, -4) × 10²¹ cm^-2
z of absorber	0
Photon index	1.82 (+0.29, -0.28)
Flux (0.3-10 keV) (Observed)	3.9 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.2 (+1.9, -1.1) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	6.01 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.10 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	250.28 (285)
Spectrum exposure	14.4 ks

Late Time spectrum (T0 + 5060 to 64505 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+19330 s

N_H (Galactic)	8.54 × 10²¹ cm^-2
N_H (intrinsic)	1.4 (+0.8, -0.7) × 10²² cm^-2
z of absorber	0
Photon index	2.3 (+0.5, -0.5)
Flux (0.3-10 keV) (Observed)	1.04 (+0.19, -0.16) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.3 (+3.3, -1.2) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	5.03 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.61 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	175.68 (159)
Spectrum exposure	14.0 ks