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Swift-XRT spectra of GRB 080903

Last updated after receiving ObsID 00323542003, version 19

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 64 to 63693 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+212 s

N_H (Galactic)	2.69 × 10²¹ cm^-2
N_H (intrinsic)	0 (+7.22 × 10¹⁹, -0) cm^-2
z of absorber	0
Photon index	0.87 (+0.04, -0.04)
Flux (0.3-10 keV) (Observed)	1.01 (+0.05, -0.03) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.08 (+0.04, -0.05) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	7.28 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.77 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	653.43 (679)
Spectrum exposure	412 s

PC mode. Mean photon arrival: T0+2809 s

N_H (Galactic)	2.69 × 10²¹ cm^-2
N_H (intrinsic)	8.4 (+16.0, -8.4) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.32 (+0.21, -0.19)
Flux (0.3-10 keV) (Observed)	3.8 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.46 (+0.23, -0.41) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	5.77 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.76 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	288.70 (322)
Spectrum exposure	24.7 ks

Late Time spectrum (T0 + 4692 to 63693 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+12533 s

N_H (Galactic)	2.69 × 10²¹ cm^-2
N_H (intrinsic)	2.4 (+5.6, -2.4) × 10²¹ cm^-2
z of absorber	0
Photon index	2.1 (+0.7, -0.6)
Flux (0.3-10 keV) (Observed)	2.2 (+0.8, -0.6) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.8 (+3.3, -1.1) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.84 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.55 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	48.31 (73)
Spectrum exposure	23.7 ks