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Swift-XRT spectra of GRB 080319D

Last updated after receiving ObsID 00306793006, version 21

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 151 to 39825 s)

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PC mode spectrum of Time-averaged

WT mode. Mean photon arrival: T0+154 s

Can't find a valid fit for this spectrum

PC mode. Mean photon arrival: T0+1417 s

N_H (Galactic)	3.20 × 10²¹ cm^-2
N_H (intrinsic)	3.3 (+10.1, -3.3) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.75 (+0.18, -0.15)
Flux (0.3-10 keV) (Observed)	1.80 (+0.19, -0.17) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.43 (+0.16, -0.19) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.43 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.98 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	262.78 (337)
Spectrum exposure	6.6 ks

Late Time spectrum (T0 + 5431 to 39825 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+18909 s

N_H (Galactic)	3.20 × 10²¹ cm^-2
N_H (intrinsic)	0 (+5.80 × 10²¹, -0) cm^-2
z of absorber	0
Photon index	2.44 (+1.21, -0.45)
Flux (0.3-10 keV) (Observed)	2.79 (+1.07, -0.91) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.5 (+16.3, -2.4) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.00 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.86 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	34.94 (34)
Spectrum exposure	5.4 ks