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Swift-XRT spectra of GRB 100823A

Last updated after receiving ObsID 00432420003, version 14

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 75 to 22358 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+97 s

N_H (Galactic)	4.21 × 10²⁰ cm^-2
N_H (intrinsic)	2.5 (+1.0, -0.8) × 10²¹ cm^-2
z of absorber	0
Photon index	3.1 (+0.5, -0.4)
Flux (0.3-10 keV) (Observed)	1.68 (+0.23, -0.20) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.2 (+3.1, -0.8) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.27 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.09 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	149.59 (181)
Spectrum exposure	60 s

PC mode. Mean photon arrival: T0+2361 s

N_H (Galactic)	4.21 × 10²⁰ cm^-2
N_H (intrinsic)	2.3 (+0.9, -0.8) × 10²¹ cm^-2
z of absorber	0
Photon index	2.09 (+0.24, -0.23)
Flux (0.3-10 keV) (Observed)	2.37 (+0.33, -0.28) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.57 (+0.40, -0.30) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.48 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.26 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	186.46 (228)
Spectrum exposure	8.8 ks

Late Time spectrum (T0 + 4054 to 22358 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+8435 s

N_H (Galactic)	4.21 × 10²⁰ cm^-2
N_H (intrinsic)	2.7 (+1.9, -1.5) × 10²¹ cm^-2
z of absorber	0
Photon index	2.6 (+0.6, -0.5)
Flux (0.3-10 keV) (Observed)	4.9 (+1.5, -1.1) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.04 (+0.79, -0.21) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	2.86 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.01 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	62.89 (81)
Spectrum exposure	8.0 ks