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Swift-XRT spectra of GRB 080229A

Last updated after receiving ObsID 00304379006, version 18

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 96 to 17180 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+129 s

NH (Galactic)1.31 × 1021 cm-2
NH (intrinsic)2.70 (+0.28, -0.27) × 1021 cm-2
z of absorber0
Photon index2.79 (+0.09, -0.08)
Flux (0.3-10 keV)
(Observed)
1.23 (+0.04, -0.04) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.41 (+0.28, -0.23) × 10-9 erg cm-2 s-1
Counts to flux (obs)2.66 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)7.37 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
488.99 (499)
Spectrum exposure131 s

PC mode. Mean photon arrival: T0+4890 s

NH (Galactic)1.31 × 1021 cm-2
NH (intrinsic)1.9 (+0.4, -0.3) × 1021 cm-2
z of absorber0
Photon index1.66 (+0.07, -0.07)
Flux (0.3-10 keV)
(Observed)
1.56 (+0.07, -0.06) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.00 (+0.07, -0.06) × 10-10 erg cm-2 s-1
Counts to flux (obs)4.62 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.95 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
595.84 (636)
Spectrum exposure7.3 ks

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Late Time spectrum (T0 + 5505 to 17180 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+8891 s

NH (Galactic)1.31 × 1021 cm-2
NH (intrinsic)1.7 (+0.5, -0.5) × 1021 cm-2
z of absorber0
Photon index1.65 (+0.10, -0.10)
Flux (0.3-10 keV)
(Observed)
7.8 (+0.5, -0.5) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
9.9 (+0.5, -0.4) × 10-11 erg cm-2 s-1
Counts to flux (obs)4.61 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.84 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
426.16 (513)
Spectrum exposure5.2 ks

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