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Home All issues Volume 495 / No 2 (February IV 2009) A&A, 495 2 (2009) 547-559 Full HTML
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Table 3:

Overview of the spectral results for the seven active X-ray transients, obtained from the average outburst spectra.
Source Year $N_{{\rm H}}$a $\Gamma$ red. $\chi^{2}$ $F_{{\rm X, abs}}$b $F_{{\rm X, unabs}}$c $F_{{\rm X, peak}}$d $L_{{\rm X}}$e $L_{{\rm X, peak}}$f
AX J1745.6-2901 2006 $23.1 \pm 1.3$ $2.3 \pm 0.2$ 1.11 $14.7^{\rm +0.3}_{-0.2} $ $50.4^{\rm +4.6}_{-3.8}$ 120 39 92
  2007 $24.9^{\rm +0.6}_{-0.7}$ $2.8 \pm 0.1$ 1.14 $ 44.8^{\rm +0.4}_{-0.3}$ $205^{\rm +9}_{-11}$ 800 160 610
CXOGC J174553.5-290124 2006 $14.2^{\rm +5.1}_{-7.4}$ $1.1^{\rm +1.2}_{-1.1}$ 1.40 $ 1.25^{\rm +0.25}_{-0.21}$ $2.25 ^{\rm +1.10}_{-0.43}$ 4.0 1.7 3.0
CXOGC J174540.0-290005 2006 $8.63^{\rm +5.66}_{-5.00}$ $1.4^{\rm +1.0}_{-0.9}$ 1.54 $ 7.81^{\rm +0.92}_{-0.88}$ $ 12.5^{\rm +4.9}_{-2.2}$ 30 9.6 23
Swift J174553.7-290347 2006 $24.4^{\rm +10.1}_{-7.7}$ $3.0^{\rm +1.6}_{-1.1}$ 1.23 $ 1.53^{\rm +0.22}_{-0.24}$ $7.73^{\rm +18.0}_{-3.49}$ 26 5.9 20
Swift J174622.1-290634 2006 $11.7^{\rm +6.1}_{-3.9}$ $3.3^{\rm +1.4}_{-1.0}$ 0.57 $ 0.468\pm0.064$ $1.55^{\rm +2.06}_{-0.55}$ 9.1 1.2 7.0
GRS 1741.9-2853 2006 14 fix $5.0^{\rm +2.5}_{-2.7}$ 0.84 $0.646^{\rm +0.424}_{-0.199}$ $5.07^{\rm +4.36}_{-2.38}$ 12 3.9 9.2
  2007 $14.0^{\rm +1.0}_{-0.9}$ $2.6 \pm 0.2$ 1.15 $61.6\pm1.2$ $175^{\rm +17}_{-14}$ 260 130 200
XMM J174457-2850.3g 2007 6 fix 1.3 fix   0.21 0.29 1.4 0.22 1.1
a Hydrogen column density in units of $10^{22}~{\rm H~cm}^{-2}$; b mean 2-10 keV absorbed outburst flux in units of $10^{-12}~{\rm erg~cm}^{-2}~{\rm s}^{-1}$; c mean 2-10 keV unabsorbed outburst flux in units of $10^{-12}~{\rm erg~cm}^{-2}~{\rm s}^{-1}$; d unabsorbed peak flux observed during the outburst in units of $10^{-12}~{\rm erg~cm}^{-2}~{\rm s}^{-1}$; e the mean outburst X-ray luminosity, in units of $10^{34}~{\rm erg~s}^{-1}$, is calculated from the mean unabsorbed flux by adopting a distance of 8 kpc for all sources; f the peak X-ray luminosity, in units of $10^{34}~{\rm erg~s}^{-1}$, is calculated from the peak unabsorbed flux by adopting a distance of 8 kpc for all sources; g fluxes for XMM J174457-2850.3 were deduced using PIMMS, with $N_{{\rm H}}$ and $\Gamma$ fixed at the values obtained by Sakano et al. (2005).

Source LaTeX | All tables | In the text

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