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Swift-XRT spectra of GRB 121001A

Last updated after receiving ObsID 00535026001, version 8

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 127 to 59560 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+170 s

NH (Galactic)5.97 × 1021 cm-2
NH (intrinsic)7 (+6, -5) × 1021 cm-2
z of absorber0
Photon index1.3 (+0.4, -0.3)
Flux (0.3-10 keV)
(Observed)
4.6 (+0.8, -0.7) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.93 (+1.02, -0.78) × 10-10 erg cm-2 s-1
Counts to flux (obs)6.90 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)8.98 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
179.21 (253)
Spectrum exposure93 s

PC mode. Mean photon arrival: T0+3201 s

NH (Galactic)5.97 × 1021 cm-2
NH (intrinsic)7 (+5, -4) × 1021 cm-2
z of absorber0
Photon index1.27 (+0.28, -0.26)
Flux (0.3-10 keV)
(Observed)
1.13 (+0.15, -0.13) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.47 (+0.18, -0.14) × 10-11 erg cm-2 s-1
Counts to flux (obs)7.72 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.00 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
256.22 (322)
Spectrum exposure9.1 ks

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Late Time spectrum (T0 + 5165 to 59560 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+8440 s

NH (Galactic)5.97 × 1021 cm-2
NH (intrinsic)6 (+7, -5) × 1021 cm-2
z of absorber0
Photon index1.7 (+0.5, -0.5)
Flux (0.3-10 keV)
(Observed)
1.6 (+0.4, -0.3) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.4 (+0.5, -0.5) × 10-12 erg cm-2 s-1
Counts to flux (obs)6.19 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)9.60 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
108.00 (128)
Spectrum exposure7.4 ks

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