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To Stack or Not to Stack: Spectral Energy Distribution Properties of Lya-Emitting Galaxies at z=2.1
Carlos J. Vargas, Hannah Bish, Viviana Acquaviva +13
We use the Cosmic Assembly Near-Infrared Deep Extragalactic Legacy Survey (CANDELS) GOODS-S multi-wavelength catalog to identify counterparts for 20 Lya Emitting (LAE) galaxies at…
A Critical Assessment of Photometric Redshift Methods: A CANDELS Investigation
Tomas Dahlen, Bahram Mobasher, Sandra M. Faber +35
We present results from the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS) photometric redshift methods investigation. In this investigation, the results…
The Atacama Cosmology Telescope: Cosmological parameters from three seasons of data
Jonathan L. Sievers, Renée A. Hlozek, Michael R. Nolta +90
We present constraints on cosmological and astrophysical parameters from high-resolution microwave background maps at 148 GHz and 218 GHz made by the Atacama Cosmology Telescope (A…
Searching for Neutral Hydrogen Halos around z ~ 2.1 and z ~ 3.1 Ly-alpha Emitting Galaxies
John Feldmeier, Alex Hagen, Robin Ciardullo +9
We search for evidence of diffuse Ly-alpha emission from extended neutral hydrogen surrounding Ly-alpha emitting galaxies (LAEs) using deep narrow-band images of the Extended Chand…
Survey design for Spectral Energy Distribution fitting: a Fisher Matrix approach
Viviana Acquaviva, Eric Gawiser, Steven J. Bickerton +3
The spectral energy distribution (SED) of a galaxy contains information on the galaxy's physical properties, and multi-wavelength observations are needed in order to measure these…
The Curious Case of Lyman Alpha Emitters: Growing Younger from z ~ 3 to z ~ 2?
Viviana Acquaviva, Carlos Vargas, Eric Gawiser +1
Lyman Alpha Emitting (LAE) galaxies are thought to be progenitors of present-day L* galaxies. Clustering analyses have suggested that LAEs at z ~ 3 might evolve into LAEs at z ~ 2,…