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Swift-XRT spectra of GRB 120312A

Last updated after receiving ObsID 00517566001, version 14

Data were analysed using HEASOFT version 6.22

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 105 to 77240 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+107 s

NH (Galactic)4.98 × 1020 cm-2
NH (intrinsic)0 (+1.45 × 1021, -0) cm-2
z of absorber0
Photon index2.04 (+1.18, -0.59)
Flux (0.3-10 keV)
(Observed)
2.02 (+1.09, -0.90) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.23 (+1.09, -0.93) × 10-10 erg cm-2 s-1
Counts to flux (obs)2.36 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)2.61 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
20.33 (23)
Spectrum exposure5 s

PC mode. Mean photon arrival: T0+2894 s

NH (Galactic)4.98 × 1020 cm-2
NH (intrinsic)1.45 (+1.14, -0.93) × 1021 cm-2
z of absorber0
Photon index1.53 (+0.25, -0.24)
Flux (0.3-10 keV)
(Observed)
1.01 (+0.17, -0.15) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.18 (+0.15, -0.13) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.72 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.52 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
181.71 (219)
Spectrum exposure17.8 ks

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Late Time spectrum (T0 + 5512 to 77240 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+12547 s

NH (Galactic)4.98 × 1020 cm-2
NH (intrinsic)1.3 (+2.5, -1.3) × 1021 cm-2
z of absorber0
Photon index2.1 (+0.8, -0.6)
Flux (0.3-10 keV)
(Observed)
1.5 (+0.7, -0.4) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.1 (+0.7, -0.6) × 10-13 erg cm-2 s-1
Counts to flux (obs)3.27 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.60 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
45.46 (53)
Spectrum exposure15.7 ks

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