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Swift-XRT spectra of GRB 170306A

Last updated after receiving ObsID 00741220003, version 8

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 137 to 28827 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+151 s

N_H (Galactic)	3.82 × 10²¹ cm^-2
N_H (intrinsic)	0 (+2.35 × 10²¹, -0) cm^-2
z of absorber	0
Photon index	2.27 (+0.55, -0.27)
Flux (0.3-10 keV) (Observed)	1.7 (+0.3, -0.4) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.04 (+1.63, -0.73) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.97 × 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?	92.33 (110)
Spectrum exposure	29 s

PC mode. Mean photon arrival: T0+6670 s

N_H (Galactic)	3.82 × 10²¹ cm^-2
N_H (intrinsic)	0 (+1.63 × 10²¹, -0) cm^-2
z of absorber	0
Photon index	1.97 (+0.30, -0.17)
Flux (0.3-10 keV) (Observed)	2.3 (+0.3, -0.3) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.5 (+0.3, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.94 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.97 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	171.50 (188)
Spectrum exposure	6.7 ks

Late Time spectrum (T0 + 4309 to 28827 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+15852 s

N_H (Galactic)	3.82 × 10²¹ cm^-2
N_H (intrinsic)	0 (+2.64 × 10²¹, -0) cm^-2
z of absorber	0
Photon index	1.98 (+0.48, -0.26)
Flux (0.3-10 keV) (Observed)	10.0 (+2.1, -2.2) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.52 (+0.51, -0.24) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.90 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.95 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	90.44 (95)
Spectrum exposure	6.1 ks