Testing relativistic reflection and resolving outflows in PG 1211+143 with XMM-Newton and NuSTAR

Abstract

We analyze the broad-band X-ray spectrum (0.3-50 keV) of the luminous Seyfert 1 / quasar PG 1211+143 - the archetypal source for high-velocity X-ray outflows - using near-simultaneous XMM-Newton and NuSTAR observations. We compare pure relativistic reflection models with a model including the strong imprint of photoionized emission and absorption from a high-velocity wind (Pounds16a,16b), finding a spectral fit that extrapolates well over the higher photon energies covered by NuSTAR. Inclusion of the high S/N XMM-Newton spectrum provides much tighter constraints on the model parameters, with a much harder photon index / lower reflection fraction compared to that from the NuSTAR data alone. We show that pure relativistic reflection models are not able to account for the spectral complexity of PG 1211+143 and that wind absorption models are strongly required to match the data in both the soft X-ray and Fe K spectral regions. In confirming the significance of previously reported ionized absorption features, the new analysis provides a further demonstration of the power of combining the high throughput and resolution of long-look XMM-Newton observations with the unprecedented spectral coverage of NuSTAR.

arXiv commentAccepted for publication in ApJ; 9 pages, 6 figures, 2 tables

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• Searching for Ultra-fast Outflows in AGN using Variability Spectra
• The variable, fast soft X-ray wind in PG 1211+143
• AGN Coronae Through A Jet Perspective
• The Ultra-Fast Outflow of the Quasar PG 1211+143 as Viewed by Time-Averaged Chandra Grating Spectroscopy
• Relativistic components of the Ultra-Fast Outflow in the Quasar PDS 456 from Chandra/HETGS, NuSTAR and XMM-Newton observations
• Disentangling the Complex Broadband X-ray Spectrum of IRAS 13197-1627 with NuSTAR, XMM-Newton and Suzaku
• XRISM Spectroscopy of Accretion-Driven Wind Feedback in NGC 4151
• A systematic study of the ultra-fast outflow responses to luminosity variations in active galactic nuclei
• Constraining the geometry of AGN outflows with reflection spectroscopy
• X-ray time lags in PG 1211+143