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Testing metallicity indicators at z~1.4 with the gravitationally lensed galaxy CASSOWARY 20
Bethan L. James, Max Pettini, Lise Christensen +6
We present X-shooter observations of CASSOWARY 20 (CSWA 20), a star-forming (SFR ~6 Msol/yr) galaxy at z=1.433, magnified by a factor of 11.5 by the gravitational lensing produced…
The SINS/zC-SINF survey of z~2 galaxy kinematics: Evidence for powerful AGN-driven nuclear outflows in massive star-forming galaxies
N. M. Förster Schreiber, R. Genzel, S. F. Newman +29
We report the detection of ubiquitous powerful nuclear outflows in massive (> 10^11 Msun) z~2 star-forming galaxies (SFGs), which are plausibly driven by an Active Galactic Nucleus…
The Mass-Metallicity Relation Of A Z~2 Protocluster With MOSFIRE
Kristin R. Kulas, Ian S. McLean, Alice E. Shapley +7
We present Keck/MOSFIRE observations of the role of environment in the formation of galaxies at z~2. Using K-band spectroscopy of H-alpha and [N II] emission lines, we have analyze…
Narrowband Lyman-Continuum Imaging of Galaxies at z ~ 2.85
Robin E. Mostardi, Alice E. Shapley, Daniel B. Nestor +3
We present results from a survey for z~2.85 Lyman-Continuum (LyC) emission in the HS1549+1933 field and place constraints on the amount of ionizing radiation escaping from star-for…
Scattered Emission from z~1 Galactic Outflows
Crystal L. Martin, Alice E. Shapley, Alison L. Coil +3
Mapping Mg II resonance emission scattered by galactic winds offers a means to determine the spatial extent and density of the warm outflow. Using Keck/LRIS spectroscopy, we have r…
The Column Density Distribution and Continuum Opacity of the Intergalactic and Circumgalactic Medium at Redshift <z>=2.4
Gwen C. Rudie, Charles C. Steidel, Alice E. Shapley +1
We present new high-precision measurements of the opacity of the intergalactic and circumgalactic medium (IGM, CGM) at <z>=2.4. Using Voigt profile fits to the full Lyman alpha and…