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Swift-XRT spectra of GRB 100305A

Last updated after receiving ObsID 00414905005, version 14

Data were analysed using HEASOFT version 6.29

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 145 to 56998 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+177 s

N_H (Galactic)	2.25 × 10²⁰ cm^-2
N_H (intrinsic)	1.6 (+0.6, -0.6) × 10²¹ cm^-2
z of absorber	0
Photon index	1.77 (+0.18, -0.17)
Flux (0.3-10 keV) (Observed)	3.8 (+0.4, -0.4) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.7 (+0.4, -0.3) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.81 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.73 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	260.54 (324)
Spectrum exposure	76 s

PC mode. Mean photon arrival: T0+12722 s

N_H (Galactic)	2.25 × 10²⁰ cm^-2
N_H (intrinsic)	1.5 (+0.5, -0.4) × 10²¹ cm^-2
z of absorber	0
Photon index	1.98 (+0.15, -0.14)
Flux (0.3-10 keV) (Observed)	1.98 (+0.17, -0.16) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.61 (+0.19, -0.18) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.47 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.59 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	348.63 (339)
Spectrum exposure	21.3 ks

Late Time spectrum (T0 + 4001 to 56998 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+13627 s

N_H (Galactic)	2.25 × 10²⁰ cm^-2
N_H (intrinsic)	1.4 (+0.5, -0.4) × 10²¹ cm^-2
z of absorber	0
Photon index	1.95 (+0.15, -0.15)
Flux (0.3-10 keV) (Observed)	1.81 (+0.17, -0.15) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.36 (+0.17, -0.17) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.52 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.58 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	353.01 (328)
Spectrum exposure	20.8 ks