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Swift-XRT spectra of Swift J164449.3+573451

Last updated after receiving ObsID 00013509170, version 1

Data were analysed using HEASOFT version 6.32

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The spectral fits assume a redshift: 0.354 (GCN 11834)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 214828 to 297247 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+233716 s

NH (Galactic)1.75 × 1020 cm-2
NH (intrinsic)3.4 (+1.2, -1.0) × 1022 cm-2
z of absorber0.354
Photon index2.4 (+0.5, -0.4)
Flux (0.3-10 keV)
(Observed)
1.60 (+0.30, -0.26) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.9 (+4.0, -1.6) × 10-10 erg cm-2 s-1
Counts to flux (obs)4.28 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.30 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
148.84 (182)
Spectrum exposure96 s

PC mode. Mean photon arrival: T0+255250 s

NH (Galactic)1.75 × 1020 cm-2
NH (intrinsic)2.33 (+0.12, -0.12) × 1022 cm-2
z of absorber0.354
Photon index1.78 (+0.05, -0.05)
Flux (0.3-10 keV)
(Observed)
8.70 (+0.20, -0.20) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.43 (+0.04, -0.04) × 10-10 erg cm-2 s-1
Counts to flux (obs)5.57 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)9.11 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
762.74 (788)
Spectrum exposure23.0 ks

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Late Time spectrum (T0 + 214832 to 297247 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+255250 s

NH (Galactic)1.75 × 1020 cm-2
NH (intrinsic)2.33 (+0.12, -0.12) × 1022 cm-2
z of absorber0.354
Photon index1.78 (+0.05, -0.05)
Flux (0.3-10 keV)
(Observed)
8.70 (+0.20, -0.20) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.43 (+0.04, -0.04) × 10-10 erg cm-2 s-1
Counts to flux (obs)5.57 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)9.11 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
762.74 (788)
Spectrum exposure23.0 ks

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