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We present results on Mrk 573 obtained as part of the CHandra survey ofExtended Emission-line Regions in nearby Seyfert galaxies (CHEERS). Previousstudies showed that this source features a biconical emission in the soft X-rayband closely related with the Narrow Line Region as mapped by the [O iii]emission line and the radio emission, though on a smaller scale; we investigatethe properties of soft X-ray emission from this source with new deep Chandraobservations. Making use of the subpixel resolution of the Chandra/ACIS imageand PSF-deconvolution, we resolve and study substructures in each ionizingcone. The two cone spectra are fitted with photoionization model, showing amildly photoionized phase diffused over the bicone. Thermal collisional gas atabout ~ 1.1 keV and ~ 0.8 keV appears to be located between the nucleus and the"knots" resolved in radio observations, and between the "arcs" resolved in theoptical images, respectively; this can be interpreted in terms of shockinteraction with the host galactic plane. The nucleus shows a significant fluxdecrease across the observations indicating variability of the AGN, with thenuclear region featuring higher ionization parameter with respect to the biconeregion. The long exposure allows us to find extended emission up to ~ 7 kpcfrom the nucleus along the bicone axis. Significant emission is also detectedin the direction perpendicular to the ionizing cones, disagreeing with thefully obscuring torus prescribed in the AGN unified model, and suggestinginstead the presence of a clumpy structure.

CHEERS results on Mrk 573: Study of deep Chandra observations