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Swift-XRT spectra of GRB 171212A

Last updated after receiving ObsID 00796778991, version 0

Data were analysed using HEASOFT version 6.26.1

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 97 to 29534 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+215 s

NH (Galactic)1.23 × 1022 cm-2
NH (intrinsic)3.80 (+0.24, -0.23) × 1022 cm-2
z of absorber0
Photon index1.79 (+0.08, -0.08)
Flux (0.3-10 keV)
(Observed)
3.28 (+0.08, -0.08) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
7.5 (+0.5, -0.4) × 10-9 erg cm-2 s-1
Counts to flux (obs)8.58 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.96 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
774.94 (851)
Spectrum exposure347 s

PC mode. Mean photon arrival: T0+4557 s

NH (Galactic)1.23 × 1022 cm-2
NH (intrinsic)3.0 (+1.6, -1.4) × 1022 cm-2
z of absorber0
Photon index2.0 (+0.6, -0.6)
Flux (0.3-10 keV)
(Observed)
3.8 (+0.8, -0.7) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
9.8 (+11.6, -3.4) × 10-12 erg cm-2 s-1
Counts to flux (obs)7.84 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)2.03 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
124.81 (147)
Spectrum exposure5.4 ks

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Late Time spectrum (T0 + 5059 to 29534 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+11088 s

NH (Galactic)1.23 × 1022 cm-2
NH (intrinsic)3.7 (+3.0, -2.3) × 1022 cm-2
z of absorber0
Photon index2.51 (+1.16, -1.00)
Flux (0.3-10 keV)
(Observed)
1.06 (+0.40, -0.27) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5 (+39, -3) × 10-12 erg cm-2 s-1
Counts to flux (obs)6.71 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.47 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
75.54 (61)
Spectrum exposure5.0 ks

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