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Swift-XRT spectra of GRB 230427A

Last updated after receiving ObsID 01165948004, version 12

Data were analysed using HEASOFT version 6.35.2

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Add time-sliced spectrum.

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 102 to 6935 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+1078 s

N_H (Galactic)	8.36 × 10¹⁹ cm^-2
N_H (intrinsic)	2.9 (+6.7, -2.9) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.91 (+0.31, -0.26)
Flux (0.3-10 keV) (Observed)	3.7 (+0.7, -0.6) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.0 (+0.6, -0.5) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.44 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	3.74 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	97.05 (140)
Spectrum exposure	2.8 ks

Late Time spectrum (T0 + 4798 to 6935 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+5513 s

N_H (Galactic)	8.36 × 10¹⁹ cm^-2
N_H (intrinsic)	0 (+1.14 × 10²¹, -0) cm^-2
z of absorber	0
Photon index	1.2 (+0.8, -0.4)
Flux (0.3-10 keV) (Observed)	9 (+4, -4) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9 (+3, -3) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	5.45 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.67 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	16.28 (18)
Spectrum exposure	1.7 ks