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Swift-XRT spectra of GRB 100724A

Last updated after receiving ObsID 00429868006, version 9

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 1.288 (GCN 10971)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 96 to 105272 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+9781 s

N_H (Galactic)	3.90 × 10²⁰ cm^-2
N_H (intrinsic)	2.1 (+3.1, -2.1) × 10²¹ cm^-2
z of absorber	1.288
Photon index	1.89 (+0.22, -0.21)
Flux (0.3-10 keV) (Observed)	9.6 (+1.5, -1.3) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.10 (+0.13, -0.12) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.47 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.99 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	170.57 (205)
Spectrum exposure	25.9 ks

Late Time spectrum (T0 + 5261 to 105272 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+20353 s

N_H (Galactic)	3.90 × 10²⁰ cm^-2
N_H (intrinsic)	1.1 (+4.7, -1.1) × 10²¹ cm^-2
z of absorber	1.288
Photon index	1.71 (+0.31, -0.25)
Flux (0.3-10 keV) (Observed)	4.2 (+1.0, -0.8) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.6 (+0.9, -0.7) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.87 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.23 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	113.33 (115)
Spectrum exposure	24.7 ks