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Swift-XRT spectra of GRB 201209A

Last updated after receiving ObsID 01011980010, version 7

Data were analysed using HEASOFT version 6.32

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 117 to 35818 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+135 s

N_H (Galactic)	3.60 × 10²⁰ cm^-2
N_H (intrinsic)	9.2 (+10.3, -8.1) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.67 (+0.30, -0.27)
Flux (0.3-10 keV) (Observed)	2.7 (+0.5, -0.5) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.2 (+0.5, -0.4) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	3.79 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.41 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	134.54 (189)
Spectrum exposure	43 s

PC mode. Mean photon arrival: T0+11072 s

N_H (Galactic)	3.60 × 10²⁰ cm^-2
N_H (intrinsic)	1.14 (+0.25, -0.24) × 10²¹ cm^-2
z of absorber	0
Photon index	1.92 (+0.08, -0.08)
Flux (0.3-10 keV) (Observed)	3.32 (+0.16, -0.15) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.22 (+0.17, -0.16) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.56 × 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?	508.75 (501)
Spectrum exposure	7.2 ks

Late Time spectrum (T0 + 5188 to 35818 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+18196 s

N_H (Galactic)	3.60 × 10²⁰ cm^-2
N_H (intrinsic)	1.3 (+0.3, -0.3) × 10²¹ cm^-2
z of absorber	0
Photon index	1.92 (+0.11, -0.11)
Flux (0.3-10 keV) (Observed)	2.15 (+0.14, -0.13) × 10^-11 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.78 (+0.14, -0.14) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	3.58 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.62 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	370.50 (420)
Spectrum exposure	5.6 ks