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Figure 1: XMMU J174716.1-281048/IGR J17464-2811 observed with IBIS/ISGRI between 20 and 25 keV. The image has been collected in 63 s during the X-ray burst. |
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Figure 2: From the top to bottom: JEM-X1 (3-6 keV), JEM-X1 (6-10 keV) and ISGRI (18-26 keV) lightcurves including the type-I X-ray burst from IGR J17464-2811(binsize = 3 s). The INTEGRAL persistent flux is consistent with zero. |
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Figure 3: Combined IBIS/ISGRI and JEM-X1 photons spectra and model (black-body) of the burst detected by INTEGRAL (left); spectrum of the persistent emission of XMMU J174716.1-281048 fitted with a simple absorbed power-law (EPIC/PN camera observation) is shown (right). |
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Figure 4: X-ray images (0.5-10 keV) of the source field obtained with the EPIC-PN camera in 2000 (on the left) and in 2003 (on the right). The transient XMMU J174716.1-281048 is clearly evident in the centre of the 2003 image. The circle (1' radius) marks the uncertainty region of the burst observed with JEM-X. |
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Figure 5: Long term X-ray lightcurve of XMMU J174716.1-281048. The two observations performed with XMM-Newton in 2003 and 2005 are marked with squares, while meaningful upper limits are reported with arrows. The persistent flux (2-10 keV) is corrected for the absorption. Uncertainties on fluxes are smaller than symbols used. |
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