Publication
Microlensing of Quasar Ultraviolet Iron Emission
We measure the differential microlensing of the UV Fe II and Fe III emission line blends between 14 quasar image pairs in 13 gravitational lenses. We find that...
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PublicationMicrolensing of the broad emission lines in 27 gravitationally lensed quasars. Broad line region structure and kinematicsAims: We aim to study the structure and kinematics of the broad line region (BLR) of a sample of 27 gravitationally lensed quasars with up to five different...
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PublicationMicrolensing-based Studies of the Unresolved Structure of AGNs and the Composition of Lensing GalaxiesMultiple images of quasars formed by gravitational lensing are typically seen through the lensing galaxy. The granulation of the galaxy in stars or other...
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TalkMicrolensing: Quasar Size and Luminosity Profile (2)
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TalkMicrovariability detection in quasars: An astrostatistical problemMicrovariations probe the physics and internal structure of quasars. Unpredictability and small flux variations make this phenomenon elusive and difficult to...
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PublicationMid-infrared sources in the ELAIS Deep X-ray SurveyWe present a cross-correlation of the European Large Area Infrared Space Observatory (ISO) survey (ELAIS) with the ELAIS Deep X-ray Survey of the N1 and N2...
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PublicationMid-infrared spectroscopy of infrared-luminous galaxies at z ~ 0.5-3We present results on low-resolution mid-infrared (MIR) spectra of 70 IR-luminous galaxies obtained with the infrared spectrograph (IRS) onboard Spitzer. We...
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PublicationMiNDSTEp differential photometry of the gravitationally lensed quasars WFI 2033-4723 and HE 0047-1756: microlensing and a new time delayAims: We present V and R photometry of the gravitationally lensed quasars WFI 2033-4723 and HE 0047-1756. The data were taken by the MiNDSTEp collaboration with...
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PublicationMonitoring of active galactic nuclei. I - The quasars 1302 - 102 and 1217 + 023We present the results of a five-month spectroscopic monitoring campaign of two radio loud quasars, PKS 1217 + 023 and PKS 1302 - 102. There is a pronounced...