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Swift-XRT spectra of GRB 200227A

Last updated after receiving ObsID 00958592002, version 5

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 88 to 29149 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+301 s

N_H (Galactic)	2.12 × 10²¹ cm^-2
N_H (intrinsic)	3.9 (+0.6, -0.5) × 10²¹ cm^-2
z of absorber	0
Photon index	1.89 (+0.08, -0.08)
Flux (0.3-10 keV) (Observed)	7.77 (+0.31, -0.30) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.22 (+0.06, -0.05) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	4.42 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.97 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	619.38 (632)
Spectrum exposure	288 s

PC mode. Mean photon arrival: T0+2761 s

N_H (Galactic)	2.12 × 10²¹ cm^-2
N_H (intrinsic)	3.4 (+1.1, -1.0) × 10²¹ cm^-2
z of absorber	0
Photon index	1.78 (+0.16, -0.16)
Flux (0.3-10 keV) (Observed)	2.14 (+0.20, -0.18) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.13 (+0.28, -0.23) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.71 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.90 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	330.48 (393)
Spectrum exposure	5.9 ks

Late Time spectrum (T0 + 4750 to 29149 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+13400 s

N_H (Galactic)	2.12 × 10²¹ cm^-2
N_H (intrinsic)	3.7 (+2.7, -2.2) × 10²¹ cm^-2
z of absorber	0
Photon index	2.3 (+0.5, -0.4)
Flux (0.3-10 keV) (Observed)	1.39 (+0.34, -0.26) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.85 (+1.54, -0.58) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.61 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.39 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	96.29 (114)
Spectrum exposure	5.0 ks