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Swift-XRT spectra of GRB 111204A

Last updated after receiving ObsID 00509018001, version 7

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 143 to 39615 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+151 s

N_H (Galactic)	1.13 × 10²⁰ cm^-2
N_H (intrinsic)	3.7 (+14.4, -3.7) × 10²¹ cm^-2
z of absorber	0
Photon index	1.3 (+1.3, -1.0)
Flux (0.3-10 keV) (Observed)	1.63 (+1.62, -0.77) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.9 (+3.3, -0.7) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	5.84 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.80 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	13.45 (15)
Spectrum exposure	12 s

PC mode. Mean photon arrival: T0+2046 s

N_H (Galactic)	1.13 × 10²⁰ cm^-2
N_H (intrinsic)	1.4 (+2.8, -1.4) × 10²¹ cm^-2
z of absorber	0
Photon index	1.3 (+0.5, -0.5)
Flux (0.3-10 keV) (Observed)	8.3 (+3.4, -2.4) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.0 (+2.5, -2.2) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	5.67 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.17 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	76.89 (73)
Spectrum exposure	11.0 ks

Late Time spectrum (T0 + 4000 to 39615 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+10288 s

N_H (Galactic)	1.13 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+5.10 × 10²¹, -0) cm^-2
z of absorber	0
Photon index	1.35 (+1.34, -0.72)
Flux (0.3-10 keV) (Observed)	9 (+6, -5) × 10^-14 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9 (+7, -4) × 10^-14 erg cm^-2 s^-1
Counts to flux (obs)	5.02 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.10 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	7.05 (10)
Spectrum exposure	10.4 ks