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Swift-XRT spectra of GRB 100725A

Last updated after receiving ObsID 00429954003, version 11

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 82 to 58739 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+152 s

N_H (Galactic)	5.47 × 10²⁰ cm^-2
N_H (intrinsic)	7 (+4, -4) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.06 (+0.08, -0.08)
Flux (0.3-10 keV) (Observed)	9.2 (+0.5, -0.5) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.7 (+0.4, -0.4) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	6.00 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.33 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	621.99 (585)
Spectrum exposure	178 s

PC mode. Mean photon arrival: T0+1538 s

N_H (Galactic)	5.47 × 10²⁰ cm^-2
N_H (intrinsic)	5.1 (+12.7, -5.1) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.7 (+0.4, -0.3)
Flux (0.3-10 keV) (Observed)	1.30 (+0.37, -0.28) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.50 (+0.30, -0.24) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.95 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.54 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	92.29 (99)
Spectrum exposure	10.4 ks

Late Time spectrum (T0 + 4898 to 58739 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+15091 s

N_H (Galactic)	5.47 × 10²⁰ cm^-2
N_H (intrinsic)	9.4 (+161.9, -9.4) × 10²⁰ cm^-2
z of absorber	0
Photon index	2.4 (-2.4, -1.2)
Flux (0.3-10 keV) (Observed)	4.3 (+3.7, -2.6) × 10^-14 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.5 (+12.2, -3.8) × 10^-14 erg cm^-2 s^-1
Counts to flux (obs)	2.81 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.26 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	12.29 (7)
Spectrum exposure	8.9 ks