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Swift-XRT spectra of GRB 200901A

Last updated after receiving ObsID 00994143005, version 9

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 3059 to 11142 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+5192 s

N_H (Galactic)	1.53 × 10²⁰ cm^-2
N_H (intrinsic)	2.1 (+1.0, -0.8) × 10²¹ cm^-2
z of absorber	0
Photon index	2.35 (+0.32, -0.30)
Flux (0.3-10 keV) (Observed)	3.8 (+0.6, -0.5) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	6.4 (+1.0, -0.9) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	2.93 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.90 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	142.28 (155)
Spectrum exposure	2.5 ks

Late Time spectrum (T0 + 4000 to 11142 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+5863 s

N_H (Galactic)	1.53 × 10²⁰ cm^-2
N_H (intrinsic)	1.97 (+1.17, -1.00) × 10²¹ cm^-2
z of absorber	0
Photon index	2.2 (+0.4, -0.3)
Flux (0.3-10 keV) (Observed)	3.8 (+0.8, -0.6) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.87 (+1.05, -0.84) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.07 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.73 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	112.12 (121)
Spectrum exposure	1.8 ks