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Swift-XRT spectra of GRB 240727A

Last updated after receiving ObsID 01245074001, version 11

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 125 to 56482 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+244 s

N_H (Galactic)	3.64 × 10²⁰ cm^-2
N_H (intrinsic)	1.09 (+0.19, -0.18) × 10²¹ cm^-2
z of absorber	0
Photon index	1.98 (+0.06, -0.06)
Flux (0.3-10 keV) (Observed)	5.67 (+0.20, -0.20) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.33 (+0.20, -0.20) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.38 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.37 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	682.25 (642)
Spectrum exposure	377 s

PC mode. Mean photon arrival: T0+1627 s

N_H (Galactic)	3.64 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+3.67 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	1.25 (+0.15, -0.12)
Flux (0.3-10 keV) (Observed)	6.0 (+0.7, -0.7) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.2 (+0.7, -0.7) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	5.27 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.40 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	194.50 (238)
Spectrum exposure	6.7 ks

Late Time spectrum (T0 + 4007 to 56482 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+4519 s

N_H (Galactic)	3.64 × 10²⁰ cm^-2
N_H (intrinsic)	6.2 (+24.0, -6.2) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.2 (+0.5, -0.4)
Flux (0.3-10 keV) (Observed)	9.0 (+3.1, -2.4) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.5 (+2.4, -2.0) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	5.74 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.07 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	58.49 (81)
Spectrum exposure	6.4 ks