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Swift-XRT spectra of GRB 100331B

Last updated after receiving ObsID 00020132001, version 7

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

Time-averaged spectrum (T0 + 63152 to 76742 s)

Download spectral files for Time-averaged spectrum.

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PC mode spectrum of Time-averaged

PC mode. Mean photon arrival: T0+70261 s

N_H (Galactic)	6.43 × 10²⁰ cm^-2
N_H (intrinsic)	6.2 (+11.1, -6.2) × 10²⁰ cm^-2
z of absorber	0
Photon index	1.9 (+0.4, -0.3)
Flux (0.3-10 keV) (Observed)	1.32 (+0.32, -0.25) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	1.63 (+0.29, -0.25) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.58 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.39 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	97.33 (121)
Spectrum exposure	5.9 ks