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Swift-XRT spectra of GRB 240727A

Last updated after receiving ObsID 01245074003, version 2

Data were analysed using HEASOFT version 6.35.2

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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)	1.07 (+0.18, -0.18) × 10²¹ cm^-2
z of absorber	0
Photon index	1.96 (+0.06, -0.06)
Flux (0.3-10 keV) (Observed)	5.74 (+0.21, -0.20) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.34 (+0.19, -0.20) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.43 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.38 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	622.39 (644)
Spectrum exposure	377 s

PC mode. Mean photon arrival: T0+1627 s

N_H (Galactic)	3.64 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+4.08 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	1.211 (+0.191, -0.093)
Flux (0.3-10 keV) (Observed)	6.1 (+0.7, -0.9) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.3 (+0.6, -0.7) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	5.37 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.50 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	192.86 (233)
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)	5.8 (+23.4, -5.8) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.2 (+0.5, -0.4)
Flux (0.3-10 keV) (Observed)	8.9 (+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)	5.70 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.03 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	64.35 (79)
Spectrum exposure	6.4 ks