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Swift-XRT spectra of GRB 170428A

Last updated after receiving ObsID 00750298000, version 8

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 697 to 17245 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+5555 s

NH (Galactic)6.95 × 1020 cm-2
NH (intrinsic)3.6 (+4.5, -2.9) × 1021 cm-2
z of absorber0
Photon index3.04 (+1.26, -0.96)
Flux (0.3-10 keV)
(Observed)
4.3 (+2.0, -1.3) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.5 (+0.5, -0.6) × 10-12 erg cm-2 s-1
Counts to flux (obs)2.51 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)8.91 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
25.96 (35)
Spectrum exposure4.2 ks

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Late Time spectrum (T0 + 4178 to 17245 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+8176 s

NH (Galactic)6.95 × 1020 cm-2
NH (intrinsic)1.7 (+4.1, -1.7) × 1021 cm-2
z of absorber0
Photon index2.34 (+1.24, -0.90)
Flux (0.3-10 keV)
(Observed)
3.6 (+2.6, -1.4) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.0 (+5.5, -1.3) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.06 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.13 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
16.85 (23)
Spectrum exposure4.0 ks

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