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Swift-XRT spectra of GRB 050820B

Last updated after receiving ObsID 00151334000, version 16

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 2373 to 49402 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+5367 s

N_H (Galactic)	1.21 × 10²¹ cm^-2
N_H (intrinsic)	6 (+33, -6) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.7 (+0.6, -0.4)
Flux (0.3-10 keV) (Observed)	5.5 (+1.8, -1.4) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.7 (+1.7, -1.2) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	4.18 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.09 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	74.14 (84)
Spectrum exposure	8.2 ks

Late Time spectrum (T0 + 8050 to 49402 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+12806 s

N_H (Galactic)	1.21 × 10²¹ cm^-2
N_H (intrinsic)	0 (+2.67 × 10²², -0) cm^-2
z of absorber	0
Photon index	1.7 (+3.3, -0.6)
Flux (0.3-10 keV) (Observed)	1.58 (+1.01, -0.73) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.84 (+1.15, -0.62) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	4.07 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.72 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	25.02 (20)
Spectrum exposure	7.2 ks