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Swift-XRT spectra of GRB 200127A

Last updated after receiving ObsID 00952791991, version 4

Data were analysed using HEASOFT version 6.26.1

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 146 to 18163 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+222 s

NH (Galactic)2.17 × 1021 cm-2
NH (intrinsic)0 (+3.94 × 1019, -0) cm-2
z of absorber0
Photon index1.98 (+0.05, -0.04)
Flux (0.3-10 keV)
(Observed)
7.76 (+0.38, -0.27) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
9.9 (+0.4, -0.5) × 10-10 erg cm-2 s-1
Counts to flux (obs)3.50 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.45 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
579.82 (520)
Spectrum exposure215 s

PC mode. Mean photon arrival: T0+4232 s

NH (Galactic)2.17 × 1021 cm-2
NH (intrinsic)0 (+3.33 × 1020, -0) cm-2
z of absorber0
Photon index1.75 (+0.12, -0.11)
Flux (0.3-10 keV)
(Observed)
5.1 (+0.4, -0.5) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
6.3 (+0.5, -0.7) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.11 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.10 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
248.77 (287)
Spectrum exposure8.0 ks

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Late Time spectrum (T0 + 4267 to 18163 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+8422 s

NH (Galactic)2.17 × 1021 cm-2
NH (intrinsic)6.8 (+121.3, -6.8) × 1019 cm-2
z of absorber0
Photon index1.93 (+0.30, -0.18)
Flux (0.3-10 keV)
(Observed)
1.48 (+0.22, -0.22) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.00 (+0.35, -0.26) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.69 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.01 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
147.60 (168)
Spectrum exposure7.4 ks

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