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Swift-XRT spectra of GRB 150925A

Last updated after receiving ObsID 00656604002, version 7

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 146 to 36156 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+193 s

N_H (Galactic)	1.01 × 10²¹ cm^-2
N_H (intrinsic)	2.3 (+0.5, -0.5) × 10²¹ cm^-2
z of absorber	0
Photon index	1.67 (+0.09, -0.09)
Flux (0.3-10 keV) (Observed)	8.9 (+0.5, -0.5) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.16 (+0.05, -0.04) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	4.50 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.83 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	503.62 (577)
Spectrum exposure	156 s

PC mode. Mean photon arrival: T0+2827 s

N_H (Galactic)	1.01 × 10²¹ cm^-2
N_H (intrinsic)	2.4 (+1.2, -1.0) × 10²¹ cm^-2
z of absorber	0
Photon index	1.88 (+0.25, -0.23)
Flux (0.3-10 keV) (Observed)	3.0 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.3 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.09 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.84 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	195.12 (228)
Spectrum exposure	9.7 ks

Late Time spectrum (T0 + 5027 to 36156 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+12754 s

N_H (Galactic)	1.01 × 10²¹ cm^-2
N_H (intrinsic)	5.7 (+21.9, -5.7) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.7 (+0.6, -0.4)
Flux (0.3-10 keV) (Observed)	4.4 (+1.7, -1.3) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.3 (+1.5, -1.2) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	4.05 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.86 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	48.95 (60)
Spectrum exposure	8.3 ks