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The first carbon-enhanced metal-poor star found in the Sculptor dwarf spheroidal
Asa Skuladottir, Eline Tolstoy, Stefania Salvadori +4
The origin of carbon-enhanced metal-poor (CEMP) stars and their possible connection with the chemical elements produced by the first stellar generation is still highly debated. In…
Uncovering Blue Diffuse Dwarf Galaxies
Bethan L. James, Sergey Koposov, Daniel P. Stark +3
Extremely metal poor (XMP) galaxies are known to be very rare, despite the large numbers of low-mass galaxies predicted by the local galaxy luminosity function. This paper presents…
The Ly-alpha Properties of Faint Galaxies at z2-3 with Systemic Redshifts and Velocity Dispersions from Keck-MOSFIRE
Dawn K. Erb, Charles C. Steidel, Ryan F. Trainor +13
We study the Lya profiles of 36 spectroscopically-detected Lya-emitters (LAEs) at z2-3, using Keck MOSFIRE to measure systemic redshifts and velocity dispersions from rest-frame op…
Evidence of patchy hydrogen reionization from an extreme Ly trough below redshift six
George D. Becker, James S. Bolton, Piero Madau +3
We report the discovery of an extremely long (110 Mpc/) and dark () Ly trough extending down to towards the $z_{\rm em} \simeq 6.0…
The most metal-poor damped Lyman alpha systems: An insight into dwarf galaxies at high redshift
Ryan Cooke, Max Pettini, Regina A. Jorgenson
In this paper we analyze the kinematics, chemistry, and physical properties of a sample of the most metal-poor damped Lyman-alpha systems (DLAs), to uncover their links to modern-d…
Strong Nebular Line Ratios in the Spectra of z~2-3 Star-forming Galaxies: First Results from KBSS-MOSFIRE
C. C. Steidel, G. C. Rudie, A. L. Strom +11
We present initial results of a deep near-IR spectroscopic survey covering the 15 fields of the Keck Baryonic Structure Survey (KBSS) using MOSFIRE on the Keck 1 telescope, focusin…