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8 papers · 2 filters
Lyman alpha Luminosity Functions at Redshift z = 4.5
Zhen-Ya Zheng, Steven L. Finkelstein, Keely Finkelstein +7
We present a spectroscopically confirmed sample of Lyman alpha emitting galaxies (LAEs) at z ~ 4.5 in the Extended Chandra Deep Field South (ECDFS), which we combine with a sample…
The road to the red sequence: A detailed view of the formation of a massive galaxy at z~2
Ignacio Ferreras, Anna Pasquali, Sadegh Khochfar +7
(Abridged) We present here a detailed analysis of the star formation history (SFH) of FW4871, a massive galaxy at z=1.893+-0.002. We compare rest-frame optical and NUV slitless gri…
Search for z~6.96 Ly-alpha emitters with Magellan/IMACS in the COSMOS field
Pascale Hibon, Sangeeta Malhotra, James E. Rhoads +1
We report a search for z~6.96 Ly-alpha emitters (LAEs) using a Narrow-Band filter, centered at 9680 Angstroms, with the IMACS instrument on the Magellan telescope at Las Campanas O…
Predicting the Merger Fraction of Lyman alpha Emitters from Redshift z~3 to z~7
Vithal Tilvi, Evan Scannapieco, Sangeeta Malhotra +1
Rapid mass assembly, likely from mergers or smooth accretion, has been predicted to play a vital role in star-formation in high-redshift Lyman-alpha (Lya) emitters. Here we predict…
Sizing up Lyman-alpha and Lyman Break Galaxies
Sangeeta Malhotra, James E. Rhoads, Steven L. Finkelstein +4
We show that populations of high redshift galaxies grow more luminous as they grow in linear size. This is because the brightness per unit area has a distinct upper limit due to th…
Searching for z~7.7 Lyman Alpha Emitters in the COSMOS Field with NEWFIRM
Hannah Krug, Sylvain Veilleux, Vithal Tilvi +8
The study of Ly-alpha emission in the high-redshift universe is a useful probe of the epoch of reionization, as the Ly-alpha line should be attenuated by the intergalactic medium (…