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Swift-XRT spectra of GRB 121102A

Last updated after receiving ObsID 00537266001, version 4

Data were analysed using HEASOFT version 6.22

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 53 to 30388 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+94 s

NH (Galactic)6.77 × 1021 cm-2
NH (intrinsic)7.2 (+1.9, -1.8) × 1021 cm-2
z of absorber0
Photon index1.91 (+0.14, -0.14)
Flux (0.3-10 keV)
(Observed)
6.6 (+0.4, -0.4) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.25 (+0.14, -0.11) × 10-9 erg cm-2 s-1
Counts to flux (obs)5.39 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.01 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
529.06 (569)
Spectrum exposure189 s

PC mode. Mean photon arrival: T0+4298 s

NH (Galactic)6.77 × 1021 cm-2
NH (intrinsic)6.4 (+3.3, -2.8) × 1021 cm-2
z of absorber0
Photon index1.77 (+0.24, -0.23)
Flux (0.3-10 keV)
(Observed)
3.9 (+0.4, -0.4) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.50 (+1.21, -0.74) × 10-12 erg cm-2 s-1
Counts to flux (obs)5.91 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)9.92 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
309.07 (341)
Spectrum exposure13.2 ks

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Late Time spectrum (T0 + 4790 to 30388 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+12809 s

NH (Galactic)6.77 × 1021 cm-2
NH (intrinsic)4 (+6, -4) × 1021 cm-2
z of absorber0
Photon index1.6 (+0.5, -0.4)
Flux (0.3-10 keV)
(Observed)
1.33 (+0.29, -0.24) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.0 (+0.7, -0.3) × 10-12 erg cm-2 s-1
Counts to flux (obs)6.12 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)9.04 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
127.33 (153)
Spectrum exposure11.9 ks

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