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Swift-XRT spectra of GRB 171211A

Last updated after receiving ObsID 00796469003, version 8

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 95 to 58474 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+106 s

NH (Galactic)8.89 × 1020 cm-2
NH (intrinsic)1.9 (+2.7, -1.8) × 1021 cm-2
z of absorber0
Photon index2.4 (+0.8, -0.6)
Flux (0.3-10 keV)
(Observed)
1.3 (+0.5, -0.3) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.27 (+2.21, -0.45) × 10-10 erg cm-2 s-1
Counts to flux (obs)2.59 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.69 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
62.70 (77)
Spectrum exposure25 s

PC mode. Mean photon arrival: T0+17286 s

NH (Galactic)8.89 × 1020 cm-2
NH (intrinsic)6.2 (+10.3, -6.2) × 1020 cm-2
z of absorber0
Photon index1.59 (+0.26, -0.24)
Flux (0.3-10 keV)
(Observed)
1.29 (+0.23, -0.19) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.50 (+0.19, -0.16) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.34 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.03 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
144.83 (189)
Spectrum exposure19.1 ks

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Late Time spectrum (T0 + 5090 to 58474 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+32005 s

NH (Galactic)8.89 × 1020 cm-2
NH (intrinsic)7.6 (+16.7, -7.6) × 1020 cm-2
z of absorber0
Photon index1.5 (+0.4, -0.3)
Flux (0.3-10 keV)
(Observed)
5.0 (+1.3, -1.0) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.77 (+1.06, -0.88) × 10-13 erg cm-2 s-1
Counts to flux (obs)4.48 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.18 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
90.86 (124)
Spectrum exposure18.4 ks

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