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Swift-XRT spectra of GRB 230405B

Last updated after receiving ObsID 01163119003, version 16

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 72 to 75043 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+172 s

N_H (Galactic)	1.60 × 10²¹ cm^-2
N_H (intrinsic)	2.5 (+0.6, -0.5) × 10²¹ cm^-2
z of absorber	0
Photon index	2.08 (+0.12, -0.11)
Flux (0.3-10 keV) (Observed)	3.45 (+0.21, -0.20) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.6 (+0.4, -0.3) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.65 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.96 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	392.85 (496)
Spectrum exposure	246 s

PC mode. Mean photon arrival: T0+5352 s

N_H (Galactic)	1.60 × 10²¹ cm^-2
N_H (intrinsic)	3.63 (+1.10, -0.98) × 10²¹ cm^-2
z of absorber	0
Photon index	1.93 (+0.17, -0.16)
Flux (0.3-10 keV) (Observed)	1.70 (+0.15, -0.14) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.67 (+0.29, -0.22) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	4.38 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.88 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	304.46 (382)
Spectrum exposure	6.3 ks

Late Time spectrum (T0 + 4658 to 75043 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+22413 s

N_H (Galactic)	1.60 × 10²¹ cm^-2
N_H (intrinsic)	2.8 (+2.6, -2.0) × 10²¹ cm^-2
z of absorber	0
Photon index	1.8 (+0.4, -0.3)
Flux (0.3-10 keV) (Observed)	2.1 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.0 (+0.8, -0.5) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.47 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.43 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	108.83 (150)
Spectrum exposure	5.2 ks