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Swift-XRT spectra of GRB 201021C

Last updated after receiving ObsID 01001130008, version 18

Data were analysed using HEASOFT version 6.32

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The spectral fits assume a redshift: 1.07 (GCN 28739)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 105 to 52754 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+132 s

NH (Galactic)2.05 × 1020 cm-2
NH (intrinsic)0 (+7.09 × 1020, -0) cm-2
z of absorber1.07
Photon index1.75 (+0.17, -0.14)
Flux (0.3-10 keV)
(Observed)
2.84 (+0.43, -0.29) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.0 (+0.4, -0.3) × 10-10 erg cm-2 s-1
Counts to flux (obs)3.33 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)3.47 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
164.29 (210)
Spectrum exposure62 s

PC mode. Mean photon arrival: T0+3530 s

NH (Galactic)2.05 × 1020 cm-2
NH (intrinsic)7.5 (+20.1, -7.5) × 1020 cm-2
z of absorber1.07
Photon index1.60 (+0.18, -0.15)
Flux (0.3-10 keV)
(Observed)
1.39 (+0.19, -0.16) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.47 (+0.17, -0.15) × 10-11 erg cm-2 s-1
Counts to flux (obs)4.03 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.24 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
194.88 (239)
Spectrum exposure3.9 ks

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Late Time spectrum (T0 + 6513 to 52754 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+19994 s

NH (Galactic)2.05 × 1020 cm-2
NH (intrinsic)4 (+7, -4) × 1021 cm-2
z of absorber1.07
Photon index1.9 (+0.6, -0.5)
Flux (0.3-10 keV)
(Observed)
1.1 (+0.5, -0.3) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.32 (+0.36, -0.30) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.45 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.15 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
45.63 (57)
Spectrum exposure3.1 ks

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