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Swift-XRT spectra of GRB 170317A

Last updated after receiving ObsID 00742866003, version 4

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 92 to 41895 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+3906 s

N_H (Galactic)	2.53 × 10²¹ cm^-2
N_H (intrinsic)	0 (+5.08 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	2.038 (+0.147, -0.076)
Flux (0.3-10 keV) (Observed)	4.18 (+0.24, -0.32) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.1 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.53 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.14 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	289.91 (371)
Spectrum exposure	14.8 ks

Late Time spectrum (T0 + 5682 to 41895 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+12489 s

N_H (Galactic)	2.53 × 10²¹ cm^-2
N_H (intrinsic)	4.6 (+12.2, -4.6) × 10²⁰ cm^-2
z of absorber	0
Photon index	2.17 (+0.32, -0.26)
Flux (0.3-10 keV) (Observed)	1.04 (+0.18, -0.15) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.68 (+0.41, -0.26) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.38 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.46 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	132.91 (173)
Spectrum exposure	12.5 ks