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Swift-XRT spectra of GRB 150220A — Source 1

Last updated after receiving ObsID 00020484002, version 5

Data were analysed using HEASOFT version 6.15.1

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Time-averaged spectrum (T0 + 284899 to 624300 s)

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+425066 s

N_H (Galactic)	2.28 × 10²⁰ cm^-2
N_H (intrinsic)	4.0 (+28.5, -4.0) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.4 (+0.8, -0.5)
Flux (0.3-10 keV) (Observed)	3.0 (+1.7, -1.2) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.24 (+1.32, -0.97) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	4.29 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.56 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	28.47 (33)
Spectrum exposure	7.2 ks