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Swift-XRT spectra of GRB 120911A

Last updated after receiving ObsID 00533268000, version 11

Data were analysed using HEASOFT version 6.35.2

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Add time-sliced spectrum.

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 3325 to 22222 s)

Download spectral files for Time-averaged spectrum.

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+7729 s

N_H (Galactic)	8.10 × 10²¹ cm^-2
N_H (intrinsic)	5 (+5, -4) × 10²¹ cm^-2
z of absorber	0
Photon index	1.9 (+0.4, -0.4)
Flux (0.3-10 keV) (Observed)	2.2 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.15 (+1.42, -0.86) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	5.43 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.02 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	152.21 (185)
Spectrum exposure	8.8 ks

Late Time spectrum (T0 + 4000 to 22222 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+8758 s

N_H (Galactic)	8.10 × 10²¹ cm^-2
N_H (intrinsic)	7 (+7, -5) × 10²¹ cm^-2
z of absorber	0
Photon index	2.1 (+0.5, -0.5)
Flux (0.3-10 keV) (Observed)	1.8 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.2 (+3.1, -1.2) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	5.14 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.20 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	125.12 (156)
Spectrum exposure	8.1 ks