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Swift-XRT spectra of GRB 171211A

Last updated after receiving ObsID 00796469003, version 8

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 95 to 58474 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+106 s

N_H (Galactic)	8.89 × 10²⁰ cm^-2
N_H (intrinsic)	1.9 (+2.7, -1.8) × 10²¹ cm^-2
z of absorber	0
Photon index	2.4 (+0.8, -0.6)
Flux (0.3-10 keV) (Observed)	1.3 (+0.5, -0.3) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.27 (+2.21, -0.45) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.59 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.69 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	62.70 (77)
Spectrum exposure	25 s

PC mode. Mean photon arrival: T0+17286 s

N_H (Galactic)	8.89 × 10²⁰ cm^-2
N_H (intrinsic)	6.2 (+10.3, -6.2) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.59 (+0.26, -0.24)
Flux (0.3-10 keV) (Observed)	1.29 (+0.23, -0.19) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.50 (+0.19, -0.16) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.34 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.03 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	144.83 (189)
Spectrum exposure	19.1 ks

Late Time spectrum (T0 + 5090 to 58474 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+32005 s

N_H (Galactic)	8.89 × 10²⁰ cm^-2
N_H (intrinsic)	7.6 (+16.7, -7.6) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.5 (+0.4, -0.3)
Flux (0.3-10 keV) (Observed)	5.0 (+1.3, -1.0) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.77 (+1.06, -0.88) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	4.48 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.18 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	90.86 (124)
Spectrum exposure	18.4 ks