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Swift-XRT spectra of GRB 130722A

Last updated after receiving ObsID 00563213007, version 11

Data were analysed using HEASOFT version 6.29

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 117 to 46565 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+240 s

N_H (Galactic)	2.47 × 10²¹ cm^-2
N_H (intrinsic)	3.50 (+0.30, -0.29) × 10²¹ cm^-2
z of absorber	0
Photon index	2.07 (+0.05, -0.05)
Flux (0.3-10 keV) (Observed)	1.75 (+0.04, -0.04) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.094 (+0.100, -0.074) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	3.97 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.01 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	855.46 (739)
Spectrum exposure	308 s

PC mode. Mean photon arrival: T0+17879 s

N_H (Galactic)	2.47 × 10²¹ cm^-2
N_H (intrinsic)	5.1 (+1.4, -1.3) × 10²¹ cm^-2
z of absorber	0
Photon index	1.87 (+0.16, -0.15)
Flux (0.3-10 keV) (Observed)	7.3 (+0.6, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.185 (+0.129, -0.093) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.74 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.69 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	416.87 (449)
Spectrum exposure	13.5 ks

Late Time spectrum (T0 + 4000 to 46565 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+18614 s

N_H (Galactic)	2.47 × 10²¹ cm^-2
N_H (intrinsic)	5.2 (+1.5, -1.3) × 10²¹ cm^-2
z of absorber	0
Photon index	1.85 (+0.17, -0.16)
Flux (0.3-10 keV) (Observed)	7.0 (+0.6, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.122 (+0.125, -0.092) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.81 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.74 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	409.37 (438)
Spectrum exposure	13.1 ks