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Swift-XRT spectra of GRB 090201

Last updated after receiving ObsID 00341749012, version 17

Data were analysed using HEASOFT version 6.28

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The spectral fits assume a redshift: 2.1 (Krhuler et al. 2015)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 3627 to 84842 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+21851 s

NH (Galactic)6.11 × 1020 cm-2
NH (intrinsic)6.7 (+0.8, -0.7) × 1022 cm-2
z of absorber2.1
Photon index2.06 (+0.09, -0.09)
Flux (0.3-10 keV)
(Observed)
5.34 (+0.26, -0.25) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
9.6 (+0.7, -0.6) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.16 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.48 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
469.27 (553)
Spectrum exposure31.8 ks

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Late Time spectrum (T0 + 4001 to 84842 s)

Download spectral files for Late Time spectrum.

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+22208 s

NH (Galactic)6.11 × 1020 cm-2
NH (intrinsic)6.5 (+0.8, -0.8) × 1022 cm-2
z of absorber2.1
Photon index2.05 (+0.09, -0.09)
Flux (0.3-10 keV)
(Observed)
4.99 (+0.25, -0.23) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
8.9 (+0.6, -0.5) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.17 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.41 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
446.76 (554)
Spectrum exposure31.4 ks

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