Detection of a possible multiphase ultra-fast outflow in IRAS 13349+2438 with NuSTAR and XMM-Newton. (arXiv:2008.05965v1 [astro-ph.HE])
<a href="http://arxiv.org/find/astro-ph/1/au:+Parker_M/0/1/0/all/0/1">M. L. Parker</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Matzeu_G/0/1/0/all/0/1">G. A. Matzeu</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Alston_W/0/1/0/all/0/1">W. N. Alston</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Fabian_A/0/1/0/all/0/1">A C. Fabian</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Lobban_A/0/1/0/all/0/1">A. Lobban</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Miniutti_G/0/1/0/all/0/1">G. Miniutti</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Pinto_C/0/1/0/all/0/1">C. Pinto</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Santos_Lleo_M/0/1/0/all/0/1">M. Santos-Lle&#xf3;</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Schartel_N/0/1/0/all/0/1">N. Schartel</a>

We present joint NuSTAR and XMM-Newton observations of the bright, variable
quasar IRAS 13349+2438. This combined dataset shows two clear iron absorption
lines at 8 and 9 keV, which are most likely associated with two layers of
mildly relativistic blueshifted absorption, with velocities of 0.14c and 0.27c.
We also find strong evidence for a series of Ly$alpha$ absorption lines at
intermediate energies in a stacked XMM-Newton EPIC-pn spectrum, at the same
blueshift as the lower velocity iron feature. This is consistent with a
scenario where an outflowing wind is radially stratified, so faster, higher
ionization material is observed closer to the black hole, and cooler, slower
material is seen from streamlines at larger radii.

We present joint NuSTAR and XMM-Newton observations of the bright, variable
quasar IRAS 13349+2438. This combined dataset shows two clear iron absorption
lines at 8 and 9 keV, which are most likely associated with two layers of
mildly relativistic blueshifted absorption, with velocities of 0.14c and 0.27c.
We also find strong evidence for a series of Ly$alpha$ absorption lines at
intermediate energies in a stacked XMM-Newton EPIC-pn spectrum, at the same
blueshift as the lower velocity iron feature. This is consistent with a
scenario where an outflowing wind is radially stratified, so faster, higher
ionization material is observed closer to the black hole, and cooler, slower
material is seen from streamlines at larger radii.

http://arxiv.org/icons/sfx.gif