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Swift-XRT spectra of GRB 201229A

Last updated after receiving ObsID 01015088014, version 5

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 115 to 34850 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+125 s

N_H (Galactic)	1.78 × 10²⁰ cm^-2
N_H (intrinsic)	0 (+3.45 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	2.1 (+0.4, -0.4)
Flux (0.3-10 keV) (Observed)	1.16 (+0.37, -0.28) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.23 (+0.29, -0.33) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	2.76 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	2.93 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	55.41 (67)
Spectrum exposure	22 s

PC mode. Mean photon arrival: T0+12773 s

N_H (Galactic)	1.78 × 10²⁰ cm^-2
N_H (intrinsic)	1.1 (+0.4, -0.4) × 10²¹ cm^-2
z of absorber	0
Photon index	1.82 (+0.13, -0.13)
Flux (0.3-10 keV) (Observed)	7.1 (+0.6, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.6 (+0.6, -0.4) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.74 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.53 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	345.62 (372)
Spectrum exposure	8.6 ks

Late Time spectrum (T0 + 4870 to 34850 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+21614 s

N_H (Galactic)	1.78 × 10²⁰ cm^-2
N_H (intrinsic)	1.1 (+0.5, -0.5) × 10²¹ cm^-2
z of absorber	0
Photon index	1.81 (+0.17, -0.16)
Flux (0.3-10 keV) (Observed)	4.2 (+0.5, -0.4) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.0 (+0.4, -0.3) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.75 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.49 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	261.86 (285)
Spectrum exposure	7.2 ks