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Swift-XRT spectra of GRB 140903A

Last updated after receiving ObsID 00611599002, version 14

Data were analysed using HEASOFT version 6.32

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The spectral fits assume a redshift: 0.351 (Troja et al. 2016)

Jump to: Time-averaged|Late Time


Time-averaged spectrum (T0 + 67 to 114556 s)

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PC mode spectrum of Time-averaged

WT mode. Mean photon arrival: T0+69 s

Can't find a valid fit for this spectrum

PC mode. Mean photon arrival: T0+16006 s

NH (Galactic)3.26 × 1020 cm-2
NH (intrinsic)1.8 (+0.9, -0.8) × 1021 cm-2
z of absorber0.351
Photon index1.59 (+0.13, -0.13)
Flux (0.3-10 keV)
(Observed)
3.7 (+0.3, -0.3) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
4.23 (+0.30, -0.29) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.30 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.91 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
351.58 (362)
Spectrum exposure15.3 ks

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Late Time spectrum (T0 + 4937 to 114556 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+20075 s

NH (Galactic)3.26 × 1020 cm-2
NH (intrinsic)1.89 (+1.03, -0.91) × 1021 cm-2
z of absorber0.351
Photon index1.57 (+0.15, -0.14)
Flux (0.3-10 keV)
(Observed)
2.88 (+0.31, -0.28) × 10-12 erg cm-2 s-1
Flux (0.3-10 keV)
(Unabsorbed)
3.28 (+0.27, -0.25) × 10-12 erg cm-2 s-1
Counts to flux (obs)4.36 × 10-11 erg cm-2 ct-1
Counts to flux (unabs)4.97 × 10-11 erg cm-2 ct-1
W-stat (dof)
What's this?
311.43 (326)
Spectrum exposure13.7 ks

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