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Swift-XRT spectra of GRB 070729

Last updated after receiving ObsID 00286373000, version 19

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 95 to 70017 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+11414 s

N_H (Galactic)	2.68 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+1.25 × 10²¹, -0) cm^-2
z of absorber	0
Photon index	1.5 (+0.7, -0.5)
Flux (0.3-10 keV) (Observed)	8 (+4, -3) × 10^-14 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.4 (+3.3, -2.9) × 10^-14 erg cm^-2 s^-1
Counts to flux (obs)	4.09 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.20 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	40.88 (39)
Spectrum exposure	26.3 ks

Late Time spectrum (T0 + 4001 to 70017 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+40723 s

N_H (Galactic)	2.68 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+1.99 × 10²⁴, -0) cm^-2
z of absorber	0
Photon index	0.0 (+2.5, -2.7)
Flux (0.3-10 keV) (Observed)	4 (+9, -4) × 10^-14 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5 (+9, -3) × 10^-14 erg cm^-2 s^-1
Counts to flux (obs)	1.00 × 10^-10 erg cm^-2 ct^-1
Counts to flux (unabs)	1.06 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	11.70 (8)
Spectrum exposure	25.6 ks