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Swift-XRT spectra of GRB 090201

Last updated after receiving ObsID 00341749012, version 17

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

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)

Download spectral files for Time-averaged spectrum.

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+21853 s

N_H (Galactic)	6.11 × 10²⁰ cm^-2
N_H (intrinsic)	1.05 (+0.12, -0.12) × 10²³ cm^-2
z of absorber	2.1
Photon index	2.04 (+0.09, -0.09)
Flux (0.3-10 keV) (Observed)	5.87 (+0.29, -0.27) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.04 (+0.07, -0.06) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.16 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.35 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	465.47 (552)
Spectrum exposure	31.8 ks

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+22212 s

N_H (Galactic)	6.11 × 10²⁰ cm^-2
N_H (intrinsic)	1.03 (+0.12, -0.12) × 10²³ cm^-2
z of absorber	2.1
Photon index	2.03 (+0.09, -0.09)
Flux (0.3-10 keV) (Observed)	5.50 (+0.27, -0.26) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.6 (+0.6, -0.5) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.18 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.29 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	444.94 (554)
Spectrum exposure	31.4 ks