Microlensing Constraints on Broad Absorption and Emission Line Flows in the Quasar H1413+117

Abstract

We present new integral field spectroscopy of the gravitationally lensed broad absorption line (BAL) quasar H1413+117, covering the ultraviolet to visible rest-frame spectral range. We observe strong microlensing signatures in lensed image D, and we use this microlensing to simultaneously constrain both the broad emission and broad absorption line gas. By modeling the lens system over the range of probable lensing galaxy redshifts and using on a new argument based on the wavelength-independence of the broad line lensing magnifications, we determine that there is no significant broad line emission from smaller than ~20 light days. We also perform spectral decomposition to derive the intrinsic broad emission line (BEL) and continuum spectrum, subject to BAL absorption. We also reconstruct the intrinsic BAL absorption profile, whose features allow us to constrain outflow kinematics in the context of a disk-wind model. We find a very sharp, blueshifted onset of absorption of 1,500 km/s in both C IV and N V that may correspond to an inner edge of a disk-wind's radial outflow. The lower ionization Si IV and Al III have higher-velocity absorption onsets, consistent with a decreasing ionization parameter with radius in an accelerating outflow. There is evidence of strong absorption in the BEL component which indicates a high covering factor for absorption over two orders of magnitude in outflow radius.

29 pages, 8 figures

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Cited by in corpus (10)

• Testing Quasar Unification: Radiative Transfer in Clumpy Winds
• HST imaging of four gravitationally lensed quasars
• Confirmation of Planet-Mass Objects in Extragalactic Systems
• The Kinematics of Quasar Broad Emission Line Regions Using a Disk-wind Model
• Spectroscopic confirmation and modelling of two lensed quadruple quasars in the Dark Energy Survey public footprint
• Polarization microlensing in the quadruply imaged broad absorption line quasar H1413+117
• Spatially separated continuum sources revealed by microlensing in the gravitationally lensed broad absorption line quasar SDSSJ081830.46+060138.0
• A joint microlensing analysis of lensing mass and accretion disc models
• New constraints on quasar broad absorption and emission line regions from gravitational microlensing
• Predicting High-magnification Events in Microlensed Quasars in the Era of LSST using Recurrent Neural Networks