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Swift-XRT spectra of GRB 080205

Last updated after receiving ObsID 00302506002, version 6

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 2.72 (Perley et al. 2016)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 107 to 123138 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+137 s

N_H (Galactic)	1.03 × 10²¹ cm^-2
N_H (intrinsic)	2.3 (+0.8, -0.7) × 10²² cm^-2
z of absorber	2.72
Photon index	1.90 (+0.11, -0.10)
Flux (0.3-10 keV) (Observed)	9.9 (+0.7, -0.6) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.30 (+0.07, -0.07) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	3.63 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.76 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	365.24 (443)
Spectrum exposure	112 s

PC mode. Mean photon arrival: T0+7982 s

N_H (Galactic)	1.03 × 10²¹ cm^-2
N_H (intrinsic)	2.3 (+1.5, -1.3) × 10²² cm^-2
z of absorber	2.72
Photon index	1.62 (+0.15, -0.15)
Flux (0.3-10 keV) (Observed)	1.34 (+0.15, -0.13) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.60 (+0.13, -0.13) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.40 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.27 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	303.23 (332)
Spectrum exposure	54.3 ks

Late Time spectrum (T0 + 5025 to 123138 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+21289 s

N_H (Galactic)	1.03 × 10²¹ cm^-2
N_H (intrinsic)	3.2 (+3.3, -2.3) × 10²² cm^-2
z of absorber	2.72
Photon index	1.74 (+0.29, -0.26)
Flux (0.3-10 keV) (Observed)	2.3 (+0.5, -0.4) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.0 (+0.4, -0.4) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	4.12 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.20 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	144.92 (163)
Spectrum exposure	52.8 ks