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Swift-XRT spectra of GRB 161217A

Last updated after receiving ObsID 00727167002, version 7

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 164 to 50947 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+166 s

N_H (Galactic)	7.73 × 10¹⁹ cm^-2
N_H (intrinsic)	4.8 (+196.4, -4.8) × 10¹⁹ cm^-2
z of absorber	0
Photon index	2.75 (+1.92, -0.72)
Flux (0.3-10 keV) (Observed)	1.96 (+1.05, -0.84) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2 (+1.00 × 10¹⁰, +9999999998) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.61 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	2.81 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	8.74 (10)
Spectrum exposure	5 s

PC mode. Mean photon arrival: T0+8435 s

N_H (Galactic)	7.73 × 10¹⁹ cm^-2
N_H (intrinsic)	4 (+5, -4) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.86 (+0.20, -0.18)
Flux (0.3-10 keV) (Observed)	1.68 (+0.22, -0.19) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.83 (+0.18, -0.15) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.45 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.78 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	166.56 (239)
Spectrum exposure	13.5 ks

Late Time spectrum (T0 + 5067 to 50947 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+15634 s

N_H (Galactic)	7.73 × 10¹⁹ cm^-2
N_H (intrinsic)	2.4 (+6.3, -2.4) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.78 (+0.27, -0.23)
Flux (0.3-10 keV) (Observed)	8.8 (+1.6, -1.4) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.4 (+1.3, -1.2) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.56 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.78 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	105.86 (148)
Spectrum exposure	12.0 ks