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Swift-XRT spectra of GRB 230815A

Last updated after receiving ObsID 01185505003, version 23

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 134 to 45167 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+333 s

N_H (Galactic)	4.94 × 10²¹ cm^-2
N_H (intrinsic)	3.1 (+0.5, -0.5) × 10²¹ cm^-2
z of absorber	0
Photon index	1.92 (+0.06, -0.06)
Flux (0.3-10 keV) (Observed)	8.30 (+0.23, -0.23) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.41 (+0.05, -0.05) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	4.66 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.88 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	753.77 (742)
Spectrum exposure	574 s

PC mode. Mean photon arrival: T0+3318 s

N_H (Galactic)	4.94 × 10²¹ cm^-2
N_H (intrinsic)	4.0 (+1.7, -1.5) × 10²¹ cm^-2
z of absorber	0
Photon index	1.90 (+0.18, -0.17)
Flux (0.3-10 keV) (Observed)	2.83 (+0.25, -0.23) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.8 (+0.6, -0.5) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	5.07 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.65 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	300.33 (389)
Spectrum exposure	5.4 ks

Late Time spectrum (T0 + 6081 to 45167 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+21061 s

N_H (Galactic)	4.94 × 10²¹ cm^-2
N_H (intrinsic)	7 (+52, -7) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.6 (+0.6, -0.3)
Flux (0.3-10 keV) (Observed)	1.9 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.5 (+0.8, -0.5) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	5.60 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.43 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	75.16 (90)
Spectrum exposure	4.5 ks