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Swift-XRT spectra of GRB 080320

Last updated after receiving ObsID 00306858024, version 12

Data were analysed using HEASOFT version 6.35.2

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Add time-sliced spectrum.

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 180 to 29371 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+8398 s

N_H (Galactic)	1.41 × 10²⁰ cm^-2
N_H (intrinsic)	3.7 (+2.3, -2.1) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.84 (+0.10, -0.10)
Flux (0.3-10 keV) (Observed)	7.8 (+0.5, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.7 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.52 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.89 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	422.15 (419)
Spectrum exposure	13.1 ks

Late Time spectrum (T0 + 4609 to 29371 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+13574 s

N_H (Galactic)	1.41 × 10²⁰ cm^-2
N_H (intrinsic)	5.8 (+3.1, -2.9) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.99 (+0.13, -0.13)
Flux (0.3-10 keV) (Observed)	3.64 (+0.29, -0.27) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.28 (+0.27, -0.25) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.28 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.85 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	316.43 (334)
Spectrum exposure	11.9 ks