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Swift-XRT spectra of GRB 111215A

Last updated after receiving ObsID 00509717020, version 8

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 424 to 167382 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+1025 s

N_H (Galactic)	7.26 × 10²⁰ cm^-2
N_H (intrinsic)	4.78 (+0.20, -0.20) × 10²¹ cm^-2
z of absorber	0
Photon index	1.668 (+0.027, -0.027)
Flux (0.3-10 keV) (Observed)	1.367 (+0.020, -0.020) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.890 (+0.023, -0.025) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	4.92 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.81 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	898.34 (855)
Spectrum exposure	1.3 ks

PC mode. Mean photon arrival: T0+25782 s

N_H (Galactic)	7.26 × 10²⁰ cm^-2
N_H (intrinsic)	3.9 (+0.6, -0.5) × 10²¹ cm^-2
z of absorber	0
Photon index	2.022 (+0.101, -0.097)
Flux (0.3-10 keV) (Observed)	2.51 (+0.13, -0.13) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.06 (+0.19, -0.23) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.94 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.37 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	441.92 (527)
Spectrum exposure	10.1 ks

Late Time spectrum (T0 + 5947 to 167382 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+25782 s

N_H (Galactic)	7.26 × 10²⁰ cm^-2
N_H (intrinsic)	3.9 (+0.6, -0.5) × 10²¹ cm^-2
z of absorber	0
Photon index	2.022 (+0.101, -0.097)
Flux (0.3-10 keV) (Observed)	2.51 (+0.13, -0.13) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.06 (+0.19, -0.23) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.94 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.37 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	441.92 (527)
Spectrum exposure	10.1 ks