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Swift-XRT spectra of GRB 160104A

Last updated after receiving ObsID 00669319009, version 7

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 82 to 36355 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+96 s

N_H (Galactic)	2.71 × 10²¹ cm^-2
N_H (intrinsic)	1.5 (+2.8, -1.5) × 10²¹ cm^-2
z of absorber	0
Photon index	2.2 (+0.7, -0.5)
Flux (0.3-10 keV) (Observed)	1.8 (+0.6, -0.5) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.18 (+1.31, -0.80) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.96 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.30 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	94.78 (118)
Spectrum exposure	30 s

PC mode. Mean photon arrival: T0+4181 s

N_H (Galactic)	2.71 × 10²¹ cm^-2
N_H (intrinsic)	0 (+6.76 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	1.923 (+0.213, -0.076)
Flux (0.3-10 keV) (Observed)	6.4 (+0.5, -0.7) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.0 (+0.9, -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)	5.22 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	246.38 (303)
Spectrum exposure	6.6 ks

Late Time spectrum (T0 + 5047 to 36355 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+19961 s

N_H (Galactic)	2.71 × 10²¹ cm^-2
N_H (intrinsic)	0 (+3.59 × 10²¹, -0) cm^-2
z of absorber	0
Photon index	1.96 (+0.62, -0.29)
Flux (0.3-10 keV) (Observed)	1.04 (+0.27, -0.26) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.47 (+0.73, -0.18) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.62 × 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?	76.44 (77)
Spectrum exposure	4.8 ks