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Swift-XRT spectra of GRB 110312A

Last updated after receiving ObsID 00449074010, version 22

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 165 to 41654 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+191 s

N_H (Galactic)	4.23 × 10²⁰ cm^-2
N_H (intrinsic)	2.0 (+1.3, -1.1) × 10²¹ cm^-2
z of absorber	0
Photon index	2.2 (+0.4, -0.4)
Flux (0.3-10 keV) (Observed)	2.1 (+0.4, -0.4) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.2 (+0.6, -0.5) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.07 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.71 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	120.32 (161)
Spectrum exposure	64 s

PC mode. Mean photon arrival: T0+6235 s

N_H (Galactic)	4.23 × 10²⁰ cm^-2
N_H (intrinsic)	5.0 (+1.1, -1.0) × 10²¹ cm^-2
z of absorber	0
Photon index	2.16 (+0.20, -0.19)
Flux (0.3-10 keV) (Observed)	7.0 (+0.7, -0.7) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.294 (+0.088, -0.136) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.81 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.00 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	263.49 (301)
Spectrum exposure	5.5 ks

Late Time spectrum (T0 + 5852 to 41654 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+18720 s

N_H (Galactic)	4.23 × 10²⁰ cm^-2
N_H (intrinsic)	4.9 (+1.9, -1.6) × 10²¹ cm^-2
z of absorber	0
Photon index	2.5 (+0.4, -0.4)
Flux (0.3-10 keV) (Observed)	2.2 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.6 (+2.9, -1.3) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.15 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.81 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	86.53 (135)
Spectrum exposure	3.7 ks