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Swift-XRT spectra of GRB 070223

Last updated after receiving ObsID 00261664013, version 14

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 1.6295 (Perley et al. 2016)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 116 to 69759 s)

Download spectral files for Time-averaged spectrum.

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+173 s

N_H (Galactic)	1.45 × 10²⁰ cm^-2
N_H (intrinsic)	8.61 (+1.05, -1.00) × 10²² cm^-2
z of absorber	1.6295
Photon index	1.70 (+0.09, -0.09)
Flux (0.3-10 keV) (Observed)	1.04 (+0.05, -0.05) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.53 (+0.08, -0.07) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	5.06 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.43 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	521.50 (603)
Spectrum exposure	154 s

PC mode. Mean photon arrival: T0+23481 s

N_H (Galactic)	1.45 × 10²⁰ cm^-2
N_H (intrinsic)	6.7 (+3.0, -2.4) × 10²² cm^-2
z of absorber	1.6295
Photon index	2.0 (+0.4, -0.3)
Flux (0.3-10 keV) (Observed)	5.27 (+1.12, -0.92) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.1 (+3.0, -1.7) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	4.06 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.00 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	122.00 (144)
Spectrum exposure	22.3 ks

Late Time spectrum (T0 + 4001 to 69759 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+27767 s

N_H (Galactic)	1.45 × 10²⁰ cm^-2
N_H (intrinsic)	6.0 (+3.0, -2.4) × 10²² cm^-2
z of absorber	1.6295
Photon index	2.1 (+0.4, -0.4)
Flux (0.3-10 keV) (Observed)	3.9 (+0.9, -0.7) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.8 (+2.5, -1.3) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.87 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.70 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	115.39 (124)
Spectrum exposure	21.9 ks