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Swift-XRT spectra of GRB 121212A

Last updated after receiving ObsID 00541371004, version 12

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 72 to 52354 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+75 s

NH (Galactic)4.48 × 1020 cm-2
NH (intrinsic)0 (+5.07 × 1021, -0) cm-2
z of absorber0
Photon index3.02 (+2.28, -0.71)
Flux (0.3-10 keV)
(Observed)
9 (+4, -3) × 10-11 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.2 (+7.8, -0.6) × 10-10 erg cm-2 s-1
Counts to flux (obs)2.13 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)2.86 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
19.31 (15)
Spectrum exposure7 s

PC mode. Mean photon arrival: T0+7769 s

NH (Galactic)4.48 × 1020 cm-2
NH (intrinsic)2.2 (+0.5, -0.4) × 1021 cm-2
z of absorber0
Photon index2.25 (+0.14, -0.13)
Flux (0.3-10 keV)
(Observed)
4.44 (+0.32, -0.29) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
7.3 (+0.5, -0.6) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.19 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.22 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
331.88 (365)
Spectrum exposure18.0 ks

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Late Time spectrum (T0 + 5291 to 52354 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+18993 s

NH (Galactic)4.48 × 1020 cm-2
NH (intrinsic)1.8 (+0.8, -0.7) × 1021 cm-2
z of absorber0
Photon index1.94 (+0.21, -0.20)
Flux (0.3-10 keV)
(Observed)
1.74 (+0.22, -0.19) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.37 (+0.23, -0.23) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.70 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.05 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
253.09 (265)
Spectrum exposure16.2 ks

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