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Swift-XRT spectra of GRB 120927A

Last updated after receiving ObsID 00534815001, version 17

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 157 to 52791 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+162 s

N_H (Galactic)	3.54 × 10²⁰ cm^-2
N_H (intrinsic)	4 (+8, -4) × 10²¹ cm^-2
z of absorber	0
Photon index	2.2 (+2.4, -1.1)
Flux (0.3-10 keV) (Observed)	1.14 (+1.02, -0.61) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.1 (+7.3, -0.8) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.99 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.57 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	19.48 (27)
Spectrum exposure	10 s

PC mode. Mean photon arrival: T0+4439 s

N_H (Galactic)	3.54 × 10²⁰ cm^-2
N_H (intrinsic)	3.72 (+1.00, -0.89) × 10²¹ cm^-2
z of absorber	0
Photon index	1.66 (+0.17, -0.16)
Flux (0.3-10 keV) (Observed)	5.7 (+0.6, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.5 (+0.6, -0.5) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.78 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.32 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	323.08 (361)
Spectrum exposure	10.7 ks

Late Time spectrum (T0 + 4079 to 52791 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+8510 s

N_H (Galactic)	3.54 × 10²⁰ cm^-2
N_H (intrinsic)	3.4 (+1.4, -1.1) × 10²¹ cm^-2
z of absorber	0
Photon index	1.67 (+0.24, -0.23)
Flux (0.3-10 keV) (Observed)	2.31 (+0.34, -0.30) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.0 (+0.3, -0.3) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.68 × 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?	188.69 (241)
Spectrum exposure	10.0 ks