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Swift-XRT spectra of GRB 210218A

Last updated after receiving ObsID 01033328003, version 9

Data were analysed using HEASOFT version 6.35.2

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Time-averaged spectrum (T0 + 169941 to 210251 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+186241 s

N_H (Galactic)	1.87 × 10²¹ cm^-2
N_H (intrinsic)	9.8 (+19.7, -9.8) × 10²¹ cm^-2
z of absorber	0
Photon index	5 (+5, -4)
Flux (0.3-10 keV) (Observed)	1.17 (+1.97, -0.54) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.2 (+1.00 × 10¹¹, -1.1) × 10^-11 erg cm^-2 s^-1
Counts to flux (obs)	1.94 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	2.05 × 10^-9 erg cm^-2 ct^-1
W-stat (dof) What's this?	4.39 (8)
Spectrum exposure	2.7 ks