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Swift-XRT spectra of GRB 210726A

Last updated after receiving ObsID 01061687011, 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 + 63 to 17956 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+70 s

NH (Galactic)1.73 × 1020 cm-2
NH (intrinsic)4 (+6, -4) × 1021 cm-2
z of absorber0
Photon index2.3 (+1.7, -1.2)
Flux (0.3-10 keV)
(Observed)
1.10 (+1.26, -0.50) × 10-10 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
2.1 (+5.6, -0.7) × 10-10 erg cm-2 s-1
Counts to flux (obs)3.16 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)5.96 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
26.98 (36)
Spectrum exposure13 s

PC mode. Mean photon arrival: T0+1975 s

NH (Galactic)1.73 × 1020 cm-2
NH (intrinsic)3.4 (+1.5, -1.3) × 1021 cm-2
z of absorber0
Photon index2.3 (+0.4, -0.3)
Flux (0.3-10 keV)
(Observed)
2.2 (+0.4, -0.3) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.95 (+1.24, -0.66) × 10-12 erg cm-2 s-1
Counts to flux (obs)3.36 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)6.09 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
138.85 (148)
Spectrum exposure5.4 ks

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Late Time spectrum (T0 + 5637 to 17956 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+10360 s

NH (Galactic)1.73 × 1020 cm-2
NH (intrinsic)4 (+5, -3) × 1021 cm-2
z of absorber0
Photon index3.4 (+2.0, -1.2)
Flux (0.3-10 keV)
(Observed)
2.78 (+1.49, -0.94) × 10-13 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
1.32 (+21.08, -0.43) × 10-12 erg cm-2 s-1
Counts to flux (obs)2.34 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)1.11 × 10-10 erg cm-2 ct-1
W-stat (dof)
What's this?
29.00 (29)
Spectrum exposure3.7 ks

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