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Swift-XRT spectra of GRB 160121A

Last updated after receiving ObsID 00671231001, version 11

Data were analysed using HEASOFT version 6.35.2

About these products.

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Add time-sliced spectrum.

The spectral fits assume a redshift: 1.96 (GCN 18925)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 94 to 46005 s)

Download spectral files for Time-averaged spectrum.

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PC mode spectrum of Time-averaged

WT mode. Mean photon arrival: T0+104 s

Can't find a valid fit for this spectrum

PC mode. Mean photon arrival: T0+8303 s

N_H (Galactic)	5.26 × 10²¹ cm^-2
N_H (intrinsic)	3.9 (+19.9, -3.9) × 10²¹ cm^-2
z of absorber	1.96
Photon index	1.98 (+0.20, -0.16)
Flux (0.3-10 keV) (Observed)	3.6 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.8 (+0.8, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.21 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.87 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	239.31 (262)
Spectrum exposure	7.7 ks

Late Time spectrum (T0 + 4138 to 46005 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+11661 s

N_H (Galactic)	5.26 × 10²¹ cm^-2
N_H (intrinsic)	8.6 (+24.8, -8.6) × 10²¹ cm^-2
z of absorber	1.96
Photon index	1.99 (+0.25, -0.21)
Flux (0.3-10 keV) (Observed)	2.8 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.6 (+0.8, -0.5) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.23 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.03 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	175.90 (217)
Spectrum exposure	6.9 ks