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Swift-XRT spectra of GRB 200127A

Last updated after receiving ObsID 00952791991, version 4

Data were analysed using HEASOFT version 6.26.1

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 146 to 18163 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+222 s

N_H (Galactic)	2.17 × 10²¹ cm^-2
N_H (intrinsic)	0 (+3.94 × 10¹⁹, -0) cm^-2
z of absorber	0
Photon index	1.98 (+0.05, -0.04)
Flux (0.3-10 keV) (Observed)	7.76 (+0.38, -0.27) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	9.9 (+0.4, -0.5) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.50 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.45 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	579.82 (520)
Spectrum exposure	215 s

PC mode. Mean photon arrival: T0+4232 s

N_H (Galactic)	2.17 × 10²¹ cm^-2
N_H (intrinsic)	0 (+3.33 × 10²⁰, -0) cm^-2
z of absorber	0
Photon index	1.75 (+0.12, -0.11)
Flux (0.3-10 keV) (Observed)	5.1 (+0.4, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.3 (+0.5, -0.7) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.11 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.10 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	248.77 (287)
Spectrum exposure	8.0 ks

Late Time spectrum (T0 + 4267 to 18163 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+8422 s

N_H (Galactic)	2.17 × 10²¹ cm^-2
N_H (intrinsic)	6.8 (+121.3, -6.8) × 10¹⁹ cm^-2
z of absorber	0
Photon index	1.93 (+0.30, -0.18)
Flux (0.3-10 keV) (Observed)	1.48 (+0.22, -0.22) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.00 (+0.35, -0.26) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.69 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.01 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	147.60 (168)
Spectrum exposure	7.4 ks