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Swift-XRT spectra of GRB 150220A — Source 2

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+385524 s

N_H (Galactic)	2.29 × 10²⁰ cm^-2
N_H (intrinsic)	2.8 (+7.6, -2.8) × 10²¹ cm^-2
z of absorber	0
Photon index	1.59 (+1.31, -0.54)
Flux (0.3-10 keV) (Observed)	2.7 (+2.4, -1.3) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	3.22 (+1.31, -0.92) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	4.95 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.02 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	17.28 (24)
Spectrum exposure	7.2 ks