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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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Add time-sliced spectrum.

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

N_H (Galactic)	1.75 × 10²⁰ cm^-2
N_H (intrinsic)	3.4 (+1.2, -1.0) × 10²² cm^-2
z of absorber	0.354
Photon index	2.4 (+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 exposure	96 s

PC mode. Mean photon arrival: T0+255250 s

N_H (Galactic)	1.75 × 10²⁰ cm^-2
N_H (intrinsic)	2.33 (+0.12, -0.12) × 10²² cm^-2
z of absorber	0.354
Photon index	1.78 (+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 exposure	23.0 ks

Late Time spectrum (T0 + 214832 to 297247 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+255250 s

N_H (Galactic)	1.75 × 10²⁰ cm^-2
N_H (intrinsic)	2.33 (+0.12, -0.12) × 10²² cm^-2
z of absorber	0.354
Photon index	1.78 (+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 exposure	23.0 ks