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Swift-XRT spectra of GRB 210307A

Last updated after receiving ObsID 01036139006, version 10

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 97 to 39957 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+143 s

NH (Galactic)1.45 × 1021 cm-2
NH (intrinsic)0 (+4.98 × 1019, -0) cm-2
z of absorber0
Photon index1.485 (+0.035, -0.026)
Flux (0.3-10 keV)
(Observed)
1.80 (+0.06, -0.04) × 10-9 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.013 (+0.055, -0.110) × 10-9 erg cm-2 s-1
Counts to flux (obs)4.57 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.13 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
699.04 (676)
Spectrum exposure149 s

PC mode. Mean photon arrival: T0+17755 s

NH (Galactic)1.45 × 1021 cm-2
NH (intrinsic)4 (+6, -4) × 1020 cm-2
z of absorber0
Photon index1.75 (+0.16, -0.15)
Flux (0.3-10 keV)
(Observed)
6.8 (+0.7, -0.6) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
8.4 (+0.7, -0.6) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.14 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.12 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
287.02 (331)
Spectrum exposure6.8 ks

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Late Time spectrum (T0 + 11693 to 39957 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+24904 s

NH (Galactic)1.45 × 1021 cm-2
NH (intrinsic)8 (+8, -7) × 1020 cm-2
z of absorber0
Photon index1.91 (+0.20, -0.20)
Flux (0.3-10 keV)
(Observed)
4.2 (+0.5, -0.4) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
5.6 (+0.5, -0.5) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.85 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.18 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
231.55 (272)
Spectrum exposure6.2 ks

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