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Swift-XRT spectra of GRB 060904A

Last updated after receiving ObsID 00227996016, version 20

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 71 to 249876 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+361 s

N_H (Galactic)	1.40 × 10²⁰ cm^-2
N_H (intrinsic)	1.45 (+0.14, -0.13) × 10²¹ cm^-2
z of absorber	0
Photon index	2.08 (+0.05, -0.05)
Flux (0.3-10 keV) (Observed)	1.96 (+0.05, -0.05) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.66 (+0.05, -0.05) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.23 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.39 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	711.01 (717)
Spectrum exposure	2.1 ks

PC mode. Mean photon arrival: T0+147133 s

N_H (Galactic)	1.40 × 10²⁰ cm^-2
N_H (intrinsic)	5.6 (+16.2, -5.6) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.8 (+0.6, -0.4)
Flux (0.3-10 keV) (Observed)	2.77 (+1.06, -0.75) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.1 (+0.8, -0.7) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.67 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.12 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	56.04 (62)
Spectrum exposure	13.4 ks

Late Time spectrum (T0 + 53835 to 249876 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+147133 s

N_H (Galactic)	1.40 × 10²⁰ cm^-2
N_H (intrinsic)	5.6 (+16.2, -5.6) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.8 (+0.6, -0.4)
Flux (0.3-10 keV) (Observed)	2.77 (+1.06, -0.75) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.1 (+0.8, -0.7) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.67 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.12 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	56.04 (62)
Spectrum exposure	13.4 ks