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Table 1:

Observation log and fitting results of Swift/XRT observations of PKS 1510-089, with power-law model with $N_{\rm H}$ fixed to Galactic absorption.
Observation Exposure time Counts Flux 0.3-10 keVa Photon index $ \chi^{2}_{\rm red}$ (d.o.f.)/C-stat ($\%$)b
date (s) (0.2-10 keV) erg cm-2 s-1 $\Gamma$  
20-Mar-2008 1961 306 $12.20 _{-1.65}^{+1.65} \times 10^{-12}$ $1.16 \pm 0.16$ 0.87 (13)
21-Mar-2008 1966 189 $8.77_{-1.39}^{+1.33} \times 10^{-12}$ $1.53 \pm 0.17$ 467 (48.2)b
22-Mar-2008 1885 261 $9.48 _{-1.14}^{+1.13} \times 10^{-12}$ $1.41 \pm 0.19$ 1.34 (11)

a Unabsorbed flux; b cash statistic (C-stat) and percentage of Montecarlo realizations that had statistic < C-stat, performing 104 simulations.


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