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Swift-XRT spectra of GRB 221027B

Last updated after receiving ObsID 01131397003, version 10

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 + 135 to 42044 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+7773 s

N_H (Galactic)	2.88 × 10²⁰ cm^-2
N_H (intrinsic)	1.1 (+0.6, -0.5) × 10²¹ cm^-2
z of absorber	0
Photon index	1.96 (+0.18, -0.18)
Flux (0.3-10 keV) (Observed)	3.9 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.9 (+0.4, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.55 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.53 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	248.21 (283)
Spectrum exposure	10.5 ks

Late Time spectrum (T0 + 5283 to 42044 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+13368 s

N_H (Galactic)	2.88 × 10²⁰ cm^-2
N_H (intrinsic)	1.3 (+0.8, -0.7) × 10²¹ cm^-2
z of absorber	0
Photon index	1.98 (+0.25, -0.23)
Flux (0.3-10 keV) (Observed)	1.76 (+0.26, -0.22) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.31 (+0.27, -0.25) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.55 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.65 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	164.80 (199)
Spectrum exposure	9.0 ks