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Swift-XRT spectra of GRB 190311A

Last updated after receiving ObsID 00892607004, version 9

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 86 to 28474 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+117 s

N_H (Galactic)	1.17 × 10²⁰ cm^-2
N_H (intrinsic)	3.39 (+1.18, -1.00) × 10²¹ cm^-2
z of absorber	0
Photon index	1.95 (+0.24, -0.23)
Flux (0.3-10 keV) (Observed)	2.5 (+0.4, -0.3) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.7 (+0.4, -0.4) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.67 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.44 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	192.91 (264)
Spectrum exposure	80 s

PC mode. Mean photon arrival: T0+6658 s

N_H (Galactic)	1.17 × 10²⁰ cm^-2
N_H (intrinsic)	4.4 (+0.9, -0.8) × 10²¹ cm^-2
z of absorber	0
Photon index	2.10 (+0.17, -0.16)
Flux (0.3-10 keV) (Observed)	5.4 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.3 (+0.8, -0.8) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.76 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.39 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	315.52 (355)
Spectrum exposure	8.6 ks

Late Time spectrum (T0 + 5676 to 28474 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+13217 s

N_H (Galactic)	1.17 × 10²⁰ cm^-2
N_H (intrinsic)	4.9 (+1.4, -1.2) × 10²¹ cm^-2
z of absorber	0
Photon index	2.12 (+0.25, -0.23)
Flux (0.3-10 keV) (Observed)	3.0 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.3 (+0.7, -0.6) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.77 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.61 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	214.00 (242)
Spectrum exposure	6.9 ks