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Home All issues Volume 496 / No 2 (March III 2009) A&A, 496 2 (2009) 333-342 Full HTML
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Table 1:

Log of RXTE and Swift observations and best-fit spectral parameters of the persistent emission. An absorbed power-law model is used to fit these spectra.
Instrument Date Exp. $N_{\rm H}$ $\Gamma$ Flux $_{\rm 2{-}10~ keV}^{a}$ Flux $_{\rm 2{-}20~ keV}^{a}$ Flux $_{\rm0.3{-}100~ keV}^{a}$ $\chi ^{2}_{\rm red}$
  MJD ks 1022 cm-2   erg cm-2 s-1 erg cm-2 s-1 erg cm-2 s-1  

Swiftb		 54628.66385 0.4 $4.0^{\rm +0.7}_{-0.6}$ $2.2^{\rm +0.3}_{-0.3}$ $2.8\pm0.3$e-10 $3.7\pm0.5$e-10 $10.2\pm2$e-10 0.8
RXTE 54633.24637 2.0 $3.4^{\rm +1.2}_{-2}$ $2.4^{\rm +0.1}_{-0.2}$ $4.5\pm0.4$e-10 $5.6\pm0.4$e-10 $17.5\pm7$e-10 1.2
RXTE 54634.42452 2.5 $3.4^{\rm +1.2}_{-1.2}$ $2.4^{\rm +0.1}_{-0.2}$ $3.4\pm0.2$e-10 $4.3\pm0.2$e-10 $12.8\pm2$e-10 0.7
RXTE 54635.27545 2.0 $3.3^{\rm +2.1}_{-2.2}$ $2.2^{\rm +0.1}_{-0.2}$ $2.7\pm0.2$e-10 $3.6\pm0.2$e-10 $9.4\pm1.6$e-10 0.8
RXTE 54638.80878 3.5 $3.4^{\rm +0.8}_{-0.9}$ $2.2^{\rm +0.1}_{-0.1}$ $1.9\pm0.1$e-10 $2.6\pm0.1$e-10 $6.8\pm1.1$e-10 0.9
RXTE 54639.85563 3.0 $3.4^{\rm +0.7}_{-0.7}$ $2.3^{\rm +0.1}_{-0.1}$ $2.1\pm0.1$e-10 $2.8\pm0.1$e-10 $7.8\pm1.4$e-10 1.2
RXTE 54640.90230 3.5 $3.5^{\rm +0.7}_{-0.7}$ $2.2^{\rm +0.1}_{-0.1}$ $1.9\pm0.1$e-10 $2.6\pm0.1$e-10 $7.1\pm1.1$e-10 1.2
Swiftb,c 54664.62684 0.6 $3.1^{\rm +0.4}_{-0.4}$ $1.9^{\rm +0.2}_{-0.2}$ $4.9\pm0.3$e-10 $7.2\pm0.6$e-10 $18.3\pm3$e-10 1.1
RXTE 54665.10546 3.0 $3.7^{\rm +1.2}_{-2}$ $2.6^{\rm +0.2}_{-0.1}$ $4.9\pm0.6$e-10 $5.9\pm0.7$e-10 $20.0\pm4$e-10 1.6
RXTE 54669.24527 1.8 $2.9^{\rm +1.2}_{-2}$ $2.5^{\rm +0.2}_{-0.2}$ $4.8\pm0.8$e-10 $5.8\pm0.9$e-10 $18.0\pm3$e-10 1.6
RXTE 54670.99462 3.3 $3.9^{\rm +1.2}_{-2}$ $2.5^{\rm +0.1}_{-0.2}$ $5.5\pm0.7$e-10 $6.5\pm0.6$e-10 $23.2\pm4$e-10 1.5
RXTE 54672.97638 1.7 $4.1^{\rm +1.2}_{-2}$ $2.7^{\rm +0.2}_{-0.2}$ $4.9\pm0.5$e-10 $5.8\pm0.6$e-10 $21.5\pm5$e-10 1.3
RXTE 54674.73749 1.8 $4.2^{\rm +1.2}_{-2}$ $2.7^{\rm +0.2}_{-0.3}$ $4.6\pm0.7$e-10 $5.5\pm0.6$e-10 $20.8\pm5$e-10 1.6
Swiftb,d 54674.94054 0.1 $3.4^{\rm +0.4}_{-0.4}$ $2.0^{\rm +0.4}_{-0.4}$ $7.3\pm0.5$e-10 $8.3\pm0.6$e-10 $23.3\pm4$e-10 1.4
RXTE 54677.47471 3.5 $4.2^{\rm +1.1}_{-1.2}$ $2.6^{\rm +0.3}_{-0.2}$ $4.5\pm0.7$e-10 $5.3\pm0.8$e-10 $18.3\pm3$e-10 1.2
RXTE 54678.59119 3.3 $4.4^{\rm +2.2}_{-1}$ $2.3^{\rm +0.3}_{-0.1}$ $4.3\pm0.7$e-10 $5.0\pm0.8$e-10 $17.5\pm4$e-10 1.5
RXTE 54679.63915 3.2 $4.1^{\rm +1.2}_{-2}$ $2.7^{\rm +0.2}_{-0.3}$ $4.0\pm0.5$e-10 $5.1\pm0.6$e-10 $14.9\pm5$e-10 1.3
RXTE 54680.29712 2.1 $2.9^{\rm +1.2}_{-1.4}$ $2.5^{\rm +0.2}_{-0.3}$ $3.7\pm0.5$e-10 $4.3\pm0.6$e-10 $13.2\pm3$e-10 1.5
RXTE 54681.86101 3.5 $3.6^{\rm +1.2}_{-2}$ $2.3^{\rm +0.2}_{-0.2}$ $3.3\pm0.5$e-10 $3.7\pm0.6$e-10 $14.7\pm3$e-10 1.1
RXTE 54682.71212 7.0 $2.3^{\rm +0.9}_{-0.9}$ $2.5^{\rm +0.1}_{-0.1}$ $1.5\pm0.04$e-10 $1.9\pm0.05$e-10 $6.5\pm1.4$e-10 1.1
RXTE 54683.89045 3.5 $2.2^{\rm +1.2}_{-1.2}$ $2.2^{\rm +0.1}_{-0.2}$ $0.95\pm0.07$e-10 $1.2\pm0.5$e-10 $3.4\pm0.6$e-10 0.8
RXTE 54684.93786 1.8 $2.2^{\rm +0.9}_{-1}$ $2.2^{\rm +0.2}_{-0.2}$ $0.89\pm0.03$e-10 $1.4\pm0.3$e-10 $3.2\pm0.5$e-10 0.9
RXTE 54685.80434 1.6 $2.0^{\rm +1.0}_{-0.6}$ $2.2^{\rm +0.1}_{-0.1}$ $0.84\pm0.06$e-10 $1.1\pm0.07$e-10 $3.0\pm0.6$e-10 1.2
RXTE 54686.31211 2.5 $1.3^{\rm +0.9}_{-0.4}$ $2.3^{\rm +0.1}_{-0.1}$ $0.94\pm0.06$e-10 $1.2\pm0.6$e-10 $3.5\pm0.8$e-10 0.8
RXTE 54687.04156 0.7 $4.0^{\rm +2}_{-2}$ $2.5^{\rm +0.2}_{-0.2}$ $1.2\pm0.1$e-10 $1.5\pm0.2$e-10 $5.2\pm1.2$e-10 0.7
RXTE 54687.35989 2.7 $2.7^{\rm +1.2}_{-1.2}$ $2.3^{\rm +0.1}_{-0.1}$ $1.1\pm0.06$e-10 $1.5\pm0.06$e-10 $4.4\pm0.9$e-10 1.3
RXTE 54687.43638 2.2 $2.7^{\rm +1.3}_{-1.3}$ $2.3^{\rm +0.1}_{-0.1}$ $1.1\pm0.07$e-10 $1.4\pm0.08$e-10 $4.4\pm1.0$e-10 1.5
RXTE 54688.34471 2.4 $2.7^{\rm +1.2}_{-1.2}$ $2.4^{\rm +0.1}_{-0.1}$ $1.2\pm0.05$e-10 $1.6\pm0.05$e-10 $4.9\pm2$e-10 1.2
RXTE 54690.23786 2.2 $2.3^{\rm +1.1}_{-1.0}$ $2.3^{\rm +0.1}_{-0.1}$ $1.4\pm0.06$e-10 $1.9\pm0.1$e-10 $5.5\pm1$e-10 1.4
RXTE 54691.67712 1.8 $1.9^{\rm +1.1}_{-1.0}$ $2.3^{\rm +0.1}_{-0.1}$ $1.5\pm0.07$e-10 $2.0\pm0.07$e-10 $5.6\pm1.5$e-10 1.6
RXTE 54692.13508 1.6 $1.7^{\rm +1}_{-1}$ $2.2^{\rm +0.1}_{-0.1}$ $1.5\pm0.07$e-10 $2.0\pm0.06$e-10 $5.6\pm1.1$e-10 1.3
RXTE 54692.74785 1.2 $3.1^{\rm +1.3}_{-1.3}$ $2.3^{\rm +0.1}_{-0.1}$ $1.8\pm0.07$e-10 $2.3\pm0.1$e-10 $6.8\pm1.2$e-10 1.3
RXTE 54696.71397 0.5 $3.2^{\rm +2}_{-1.5}$ $2.3^{\rm +0.1}_{-0.1}$ $2.1\pm0.1$e-10 $2.8\pm0.2$e-10 $8.2\pm1.6$e-10 1.1
a Unabsorbed flux; b Swift/XRT was operating in WT mode; c,d intermediate long
and short pre-burst persistent emission, respectively.

Source LaTeX | All tables | In the text

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