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Systematically Measuring Ultra Diffuse Galaxies (SMUDGes). I. Survey Description and First Results in the Coma Galaxy Cluster and Environs
Dennis Zaritsky, Richard Donnerstein, Arjun Dey +6
We present a homogeneous catalog of 275 large (effective radius 5.3 arcsec) ultra-diffuse galaxy (UDG) candidates lying within an 290 square degree region surro…
Tidal Interactions and Mergers in Intermediate Redshift EDisCS Clusters
Sinan Deger, Gregory Rudnick, Kshitija Kelkar +6
We study the fraction of tidal interactions and mergers with well identified observability timescales () in group, cluster, and accompanying field galaxies and its dep…
Emission line ratios for the Circumgalactic Medium and the "Bimodal" Nature of Galaxies
Huanian Zhang, Dennis Zaritsky, Jessica Werk +1
We find significantly different diagnostic emission line ratios for the circumgalactic gas associated with galaxies of stellar masses above and below M using SD…
The Wide Integral Field Infrared Spectrograph: Commissioning Results and On-sky Performance
Suresh Sivanandam, Dae-Sik Moon, R. Elliot Meyer +11
We have recently commissioned a novel infrared ( m) integral field spectrograph (IFS) called the Wide Integral Field Infrared Spectrograph (WIFIS). WIFIS is a unique in…
Development of the Arizona Robotic Telescope Network
Benjamin J. Weiner, David Sand, Paul Gabor +9
The Arizona Robotic Telescope Network (ARTN) project is a long term effort to develop a system of telescopes to carry out a flexible program of PI observing, survey projects, and t…
The Local Cluster Survey I: Evidence of Outside-In Quenching in Dense Environments
Rose A. Finn, Vandana Desai, Gregory Rudnick +9
The goal of the Local Cluster Survey is to look for evidence of environmentally driven quenching among star-forming galaxies in nearby galaxy groups and clusters. Quenching is link…