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Swift-XRT spectra of GRB 111109A

Last updated after receiving ObsID 00507342007, version 12

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 + 3096 to 33364 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+10517 s

N_H (Galactic)	4.67 × 10²¹ cm^-2
N_H (intrinsic)	1.9 (+4.6, -1.9) × 10²¹ cm^-2
z of absorber	0
Photon index	2.4 (+0.7, -0.6)
Flux (0.3-10 keV) (Observed)	5.4 (+1.9, -1.4) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.29 (+1.41, -0.31) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.53 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.37 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	63.30 (63)
Spectrum exposure	8.7 ks

Late Time spectrum (T0 + 4001 to 33364 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+10972 s

N_H (Galactic)	4.67 × 10²¹ cm^-2
N_H (intrinsic)	1.4 (+4.4, -1.4) × 10²¹ cm^-2
z of absorber	0
Photon index	2.4 (+0.7, -0.5)
Flux (0.3-10 keV) (Observed)	5.6 (+2.1, -1.4) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.30 (+1.50, -0.42) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.49 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.05 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	53.03 (60)
Spectrum exposure	7.8 ks