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Swift-XRT spectra of GRB 201229A

Last updated after receiving ObsID 01015088014, version 5

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 115 to 34850 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+125 s

NH (Galactic)1.78 × 1020 cm-2
NH (intrinsic)0 (+3.45 × 1020, -0) cm-2
z of absorber0
Photon index2.1 (+0.4, -0.4)
Flux (0.3-10 keV)
(Observed)
1.16 (+0.37, -0.28) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.23 (+0.29, -0.33) × 10-10 erg cm-2 s-1
Counts to flux (obs)2.76 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)2.93 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
55.41 (67)
Spectrum exposure22 s

PC mode. Mean photon arrival: T0+12773 s

NH (Galactic)1.78 × 1020 cm-2
NH (intrinsic)1.1 (+0.4, -0.4) × 1021 cm-2
z of absorber0
Photon index1.82 (+0.13, -0.13)
Flux (0.3-10 keV)
(Observed)
7.1 (+0.6, -0.5) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
8.6 (+0.6, -0.4) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.74 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.53 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
345.62 (372)
Spectrum exposure8.6 ks

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Late Time spectrum (T0 + 4870 to 34850 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+21614 s

NH (Galactic)1.78 × 1020 cm-2
NH (intrinsic)1.1 (+0.5, -0.5) × 1021 cm-2
z of absorber0
Photon index1.81 (+0.17, -0.16)
Flux (0.3-10 keV)
(Observed)
4.2 (+0.5, -0.4) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.0 (+0.4, -0.3) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.75 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.49 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
261.86 (285)
Spectrum exposure7.2 ks

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