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Swift-XRT spectra of GRB 080229A

Last updated after receiving ObsID 00304379006, version 18

Data were analysed using HEASOFT version 6.29

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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)2.69 (+0.28, -0.27) × 1021 cm-2
z of absorber0
Photon index2.79 (+0.09, -0.08)
Flux (0.3-10 keV)
(Observed)
1.30 (+0.04, -0.04) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.57 (+0.29, -0.24) × 10-9 erg cm-2 s-1
Counts to flux (obs)2.67 × 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?
490.83 (499)
Spectrum exposure131 s

PC mode. Mean photon arrival: T0+5742 s

NH (Galactic)1.31 × 1021 cm-2
NH (intrinsic)2.0 (+0.4, -0.4) × 1021 cm-2
z of absorber0
Photon index1.69 (+0.08, -0.08)
Flux (0.3-10 keV)
(Observed)
1.36 (+0.06, -0.06) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.77 (+0.06, -0.06) × 10-10 erg cm-2 s-1
Counts to flux (obs)4.56 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.94 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
559.35 (606)
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+8856 s

NH (Galactic)1.31 × 1021 cm-2
NH (intrinsic)1.6 (+0.5, -0.5) × 1021 cm-2
z of absorber0
Photon index1.63 (+0.10, -0.10)
Flux (0.3-10 keV)
(Observed)
7.9 (+0.5, -0.5) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
10.0 (+0.5, -0.4) × 10-11 erg cm-2 s-1
Counts to flux (obs)4.64 × 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?
427.00 (514)
Spectrum exposure5.2 ks

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