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The evolution of the size-mass relation at =1-3 derived from the complete Hubble Frontier Fields data set
Lilan Yang, Guido Roberts-Borsani, Tommaso Treu +3
We measure the size-mass relation and its evolution between redshifts 13, using galaxies lensed by six foreground Hubble Frontier Fields clusters. The power afforded by strong…
The black hole mass of the multiply imaged quasar SDSS J2222+2745 from velocity-resolved time lags of the CIV emission line
Peter R. Williams, Tommaso Treu, Håkon Dahle +6
We present the first results of a 4.5 year monitoring campaign of the three bright images of multiply imaged quasar SDSS J2222+2745 using the Gemini North Multi-Object Sp…
The MUSE Deep Lensed Field on the Hubble Frontier Field MACS~J0416
E. Vanzella, G. B. Caminha, P. Rosati +21
Context: A census of faint and tiny star forming complexes at high redshift is key to improving our understanding of reionizing sources, galaxy growth and the formation of globular…
High-resolution imaging follow-up of doubly imaged quasars
Anowar J. Shajib, Eden Molina, Adriano Agnello +8
We report upon three years of follow-up and confirmation of doubly imaged quasar lenses through imaging campaigns from 2016-2018 with the Near-Infrared Camera2 (NIRC2) on the W. M.…
Space Telescope and Optical Reverberation Mapping Project. XII. Broad-Line Region Modeling of NGC 5548
P. R. Williams, A. Pancoast, T. Treu +155
We present geometric and dynamical modeling of the broad line region for the multi-wavelength reverberation mapping campaign focused on NGC 5548 in 2014. The dataset includes photo…
Stellar velocity dispersion and initial mass function gradients in dissipationless galaxy mergers
Carlo Nipoti, Carlo Cannarozzo, Francesco Calura +2
The stellar initial mass function (IMF) is believed to be non-universal among early-type galaxies (ETGs). Parameterizing the IMF with the so-called IMF mismatch parameter $α_{\rm I…