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Swift-XRT spectra of GRB 090621A

Last updated after receiving ObsID 00355303008, version 12

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 121 to 63888 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+281 s

NH (Galactic)7.05 × 1021 cm-2
NH (intrinsic)1.67 (+0.16, -0.15) × 1022 cm-2
z of absorber0
Photon index1.26 (+0.07, -0.07)
Flux (0.3-10 keV)
(Observed)
7.40 (+0.20, -0.20) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.043 (+0.031, -0.024) × 10-8 erg cm-2 s-1
Counts to flux (obs)8.65 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.22 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
797.67 (835)
Spectrum exposure186 s

PC mode. Mean photon arrival: T0+14815 s

NH (Galactic)7.05 × 1021 cm-2
NH (intrinsic)1.7 (+0.4, -0.4) × 1022 cm-2
z of absorber0
Photon index2.05 (+0.22, -0.21)
Flux (0.3-10 keV)
(Observed)
4.1 (+0.3, -0.3) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
9.7 (+2.5, -1.6) × 10-12 erg cm-2 s-1
Counts to flux (obs)6.23 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.48 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
387.24 (434)
Spectrum exposure24.1 ks

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Late Time spectrum (T0 + 5067 to 63888 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+21462 s

NH (Galactic)7.05 × 1021 cm-2
NH (intrinsic)1.6 (+0.5, -0.4) × 1022 cm-2
z of absorber0
Photon index2.13 (+0.27, -0.26)
Flux (0.3-10 keV)
(Observed)
2.30 (+0.23, -0.21) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.9 (+2.0, -1.2) × 10-12 erg cm-2 s-1
Counts to flux (obs)5.93 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.52 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
302.35 (358)
Spectrum exposure22.6 ks

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