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Swift-XRT spectra of GRB 150902A

Last updated after receiving ObsID 00020549002, version 7

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

Time-averaged spectrum (T0 + 59519 to 78640 s)

Download spectral files for Time-averaged spectrum.

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+63839 s

N_H (Galactic)	3.72 × 10²¹ cm^-2
N_H (intrinsic)	4.4 (+10.8, -4.4) × 10²¹ cm^-2
z of absorber	0
Photon index	1.87 (+1.08, -0.85)
Flux (0.3-10 keV) (Observed)	4.8 (+3.0, -1.8) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	7.9 (+11.9, -2.8) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	4.89 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	7.99 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	24.87 (29)
Spectrum exposure	5.0 ks