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Swift-XRT spectra of GRB 071021

Last updated after receiving ObsID 00294974009, version 23

Data were analysed using HEASOFT version 6.32

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The spectral fits assume a redshift: 2.452 (Kruehler et al. 2012)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 136 to 103741 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+272 s

NH (Galactic)5.87 × 1020 cm-2
NH (intrinsic)2.7 (+0.5, -0.4) × 1022 cm-2
z of absorber2.452
Photon index1.91 (+0.07, -0.07)
Flux (0.3-10 keV)
(Observed)
1.31 (+0.06, -0.06) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.71 (+0.06, -0.06) × 10-10 erg cm-2 s-1
Counts to flux (obs)3.62 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.75 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
538.47 (551)
Spectrum exposure1.7 ks

PC mode. Mean photon arrival: T0+16070 s

NH (Galactic)5.87 × 1020 cm-2
NH (intrinsic)2.0 (+0.7, -0.6) × 1022 cm-2
z of absorber2.452
Photon index1.89 (+0.12, -0.12)
Flux (0.3-10 keV)
(Observed)
1.75 (+0.14, -0.13) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.22 (+0.14, -0.13) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.64 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.63 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
377.80 (356)
Spectrum exposure36.5 ks

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Late Time spectrum (T0 + 4983 to 103741 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+16070 s

NH (Galactic)5.87 × 1020 cm-2
NH (intrinsic)2.0 (+0.7, -0.6) × 1022 cm-2
z of absorber2.452
Photon index1.89 (+0.12, -0.12)
Flux (0.3-10 keV)
(Observed)
1.75 (+0.14, -0.13) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.22 (+0.14, -0.13) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.64 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.63 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
377.80 (356)
Spectrum exposure36.5 ks

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