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The Faint-End Slope of the Redshift 5.7 Lyman Alpha Luminosity Function
Alaina Henry, Crystal Martin, Alan Dressler +2
Using new Keck DEIMOS spectroscopy, we examine the origin of the steep number counts of ultra-faint emission-line galaxies recently reported by Dressler et al. (2011). We confirm s…
Metals Removed by Outflows from Milky Way Dwarf Spheroidal Galaxies
Evan N. Kirby, Crystal L. Martin, Kristian Finlator
The stars in the dwarf spheroidal satellite galaxies (dSphs) of the Milky Way are significantly more metal-poor than would be expected from a closed box model of chemical evolution…
Physical properties of galactic winds using background quasars
N. Bouche, W. Hohensee, R. Vargas +4
Background quasars are potentially sensitive probes of galactic outflows provided that one can determine the origin of the absorbing material since both gaseous disks and strong bi…
An Ionization Cone in the Dwarf Starburst Galaxy NGC 5253
Jordan Zastrow, M. S. Oey, Sylvain Veilleux +2
There are few observational constraints on how the escape of ionizing photons from starburst galaxies depends on galactic parameters. Here, we report on the first major detection o…
Very Strong Emission-Line Galaxies in the WISP Survey and Implications for High-Redshift Galaxies
H. Atek, B. Siana, C. Scarlata +13
The WFC3 Infrared Spectroscopic Parallel Survey (WISP) uses the Hubble Space Telescope (HST) infrared grism capabilities to obtain slitless spectra of thousands of galaxies over a…
Detections of Faint Lyman-alpha Emitters at z = 5.7: Galaxy Building Blocks and Engines of Reionization
Alan Dressler, Crystal L. Martin, Alaina Henry +2
We report results of a unprecedentedly deep, blind search for Ly-alpha emitters (LAEs) at z = 5.7 using IMACS, the Inamori-Magellan Areal Camera & Spectrograph, with the goal of id…