Spatially Resolved Chandra HETG Spectroscopy of the NLR Ionization Cone in NGC 1068 Export

@article{citeulike:6058595, abstract = {We present initial results from a new 440-ks Chandra HETG GTO observation of the canonical Seyfert 2 galaxy NGC 1068. The proximity of NGC 1068, together with Chandra's superb spatial and spectral resolution, allow an unprecedented view of its nucleus and circumnuclear NLR. We perform the first spatially resolved high-resolution X-ray spectroscopy of the `ionization cone' in any AGN, and use the sensitive line diagnostics offered by the HETG to measure the ionization state, density, and temperature at discrete points along the ionized NLR. We argue that the NLR takes the form of outflowing photoionized gas, rather than gas that has been collisionally ionized by the small-scale radio jet in NGC 1068. We investigate evidence for any velocity gradients in the outflow, and describe our next steps in modeling the spatially resolved spectra as a function of distance from the nucleus.}, archivePrefix = {arXiv}, author = {Evans, Daniel A. and Ogle, Patrick M. and Marshall, Herman L. and Nowak, Mike A. and Bianchi, Stefano and Guainazzi, Matteo and Longinotti, Anna L. and Dewey, Dan and Schulz, Norbert S. and Noble, Mike S. and Houck, John and Canizares, Claude R.}, citeulike-article-id = {6058595}, citeulike-linkout-0 = {http://arxiv.org/abs/0911.0374}, citeulike-linkout-1 = {http://arxiv.org/pdf/0911.0374}, day = {2}, eprint = {0911.0374}, keywords = {chandra, jet, ngc1068, nlr, seyfert2}, month = {Nov}, posted-at = {2009-11-04 23:41:16}, priority = {2}, title = {Spatially Resolved Chandra HETG Spectroscopy of the NLR Ionization Cone in NGC 1068}, url = {http://arxiv.org/abs/0911.0374}, year = {2009} }

TY - JOUR ID - citeulike:6058595 L3 - citeulike-article-id:6058595 N2 - We present initial results from a new 440-ks Chandra HETG GTO observation of the canonical Seyfert 2 galaxy NGC 1068. The proximity of NGC 1068, together with Chandra's superb spatial and spectral resolution, allow an unprecedented view of its nucleus and circumnuclear NLR. We perform the first spatially resolved high-resolution X-ray spectroscopy of the `ionization cone' in any AGN, and use the sensitive line diagnostics offered by the HETG to measure the ionization state, density, and temperature at discrete points along the ionized NLR. We argue that the NLR takes the form of outflowing photoionized gas, rather than gas that has been collisionally ionized by the small-scale radio jet in NGC 1068. We investigate evidence for any velocity gradients in the outflow, and describe our next steps in modeling the spatially resolved spectra as a function of distance from the nucleus. TI - Spatially Resolved Chandra HETG Spectroscopy of the NLR Ionization Cone in NGC 1068 KW - chandra KW - jet KW - ngc1068 KW - nlr KW - seyfert2 AU - Evans, Daniel AU - Ogle, Patrick AU - Marshall, Herman AU - Nowak, Mike AU - Bianchi, Stefano AU - Guainazzi, Matteo AU - Longinotti, Anna AU - Dewey, Dan AU - Schulz, Norbert AU - Noble, Mike AU - Houck, John AU - Canizares, Claude PY - 2009/Nov/02/ UR - http://arxiv.org/abs/0911.0374 ER -