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Swift-XRT spectra of GRB 110520A

Last updated after receiving ObsID 00453747002, version 10

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 103 to 42526 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+130 s

N_H (Galactic)	3.00 × 10²⁰ cm^-2
N_H (intrinsic)	3.0 (+1.7, -1.4) × 10²¹ cm^-2
z of absorber	0
Photon index	1.8 (+0.4, -0.3)
Flux (0.3-10 keV) (Observed)	2.2 (+0.5, -0.4) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.0 (+0.4, -0.4) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.80 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.29 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	161.93 (193)
Spectrum exposure	57 s

PC mode. Mean photon arrival: T0+2326 s

N_H (Galactic)	3.00 × 10²⁰ cm^-2
N_H (intrinsic)	3.8 (+1.2, -1.0) × 10²¹ cm^-2
z of absorber	0
Photon index	1.64 (+0.19, -0.18)
Flux (0.3-10 keV) (Observed)	4.3 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.7 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.84 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.38 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	336.96 (319)
Spectrum exposure	17.1 ks

Late Time spectrum (T0 + 5397 to 42526 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+16947 s

N_H (Galactic)	3.00 × 10²⁰ cm^-2
N_H (intrinsic)	6 (+4, -3) × 10²¹ cm^-2
z of absorber	0
Photon index	3.16 (+1.14, -0.94)
Flux (0.3-10 keV) (Observed)	1.8 (+0.8, -0.5) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.7 (+15.0, -1.8) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	2.60 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	1.27 × 10^-10 erg cm^-2 ct^-1
W-stat (dof) What's this?	57.54 (52)
Spectrum exposure	15.2 ks