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Swift-XRT spectra of GRB 090715B

Last updated after receiving ObsID 00357512016, version 12

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 3 (GCN 9673)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 52 to 109456 s)

Download spectral files for Time-averaged spectrum.

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+209 s

N_H (Galactic)	1.40 × 10²⁰ cm^-2
N_H (intrinsic)	2.16 (+0.17, -0.16) × 10²² cm^-2
z of absorber	3
Photon index	1.879 (+0.024, -0.024)
Flux (0.3-10 keV) (Observed)	2.77 (+0.04, -0.04) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.27 (+0.04, -0.04) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	3.46 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.08 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	714.58 (769)
Spectrum exposure	437 s

PC mode. Mean photon arrival: T0+30231 s

N_H (Galactic)	1.40 × 10²⁰ cm^-2
N_H (intrinsic)	1.3 (+0.7, -0.6) × 10²² cm^-2
z of absorber	3
Photon index	1.96 (+0.12, -0.11)
Flux (0.3-10 keV) (Observed)	1.77 (+0.14, -0.13) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.03 (+0.13, -0.12) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.31 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.81 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	304.89 (350)
Spectrum exposure	31.4 ks

Late Time spectrum (T0 + 4000 to 109456 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+31537 s

N_H (Galactic)	1.40 × 10²⁰ cm^-2
N_H (intrinsic)	1.3 (+0.7, -0.6) × 10²² cm^-2
z of absorber	3
Photon index	1.96 (+0.12, -0.12)
Flux (0.3-10 keV) (Observed)	1.68 (+0.13, -0.12) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.93 (+0.12, -0.12) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.31 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.80 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	296.13 (343)
Spectrum exposure	31.2 ks