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Swift-XRT spectra of GRB 200729A

Last updated after receiving ObsID 00984929007, version 16

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 144 to 53313 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+233 s

N_H (Galactic)	1.07 × 10²⁰ cm^-2
N_H (intrinsic)	8.7 (+1.3, -1.2) × 10²¹ cm^-2
z of absorber	0
Photon index	1.80 (+0.14, -0.13)
Flux (0.3-10 keV) (Observed)	4.7 (+0.3, -0.3) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.5 (+0.7, -0.4) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	4.99 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.98 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	510.28 (560)
Spectrum exposure	213 s

PC mode. Mean photon arrival: T0+2992 s

N_H (Galactic)	1.07 × 10²⁰ cm^-2
N_H (intrinsic)	9.3 (+3.3, -2.7) × 10²¹ cm^-2
z of absorber	0
Photon index	1.38 (+0.26, -0.24)
Flux (0.3-10 keV) (Observed)	8.21 (+1.07, -0.95) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.076 (+0.119, -0.095) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	6.75 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	8.85 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	274.27 (308)
Spectrum exposure	13.4 ks

Late Time spectrum (T0 + 11311 to 53313 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+25035 s

N_H (Galactic)	1.07 × 10²⁰ cm^-2
N_H (intrinsic)	1.4 (+5.1, -1.4) × 10²¹ cm^-2
z of absorber	0
Photon index	1.0 (+0.8, -0.6)
Flux (0.3-10 keV) (Observed)	3.8 (+2.4, -1.5) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.0 (+1.5, -1.3) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	6.89 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.29 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	32.37 (34)
Spectrum exposure	11.9 ks