616 citations
- Hewlett-Packard (United Kingdom)GB14 papers
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8 papers · 1 filter
The DEEP2 Redshift Survey: Lyman Alpha Emitters in the Spectroscopic Database
Marcin Sawicki, Brian C. Lemaux, Puragra Guhathakurta +7
We present the first results of a search for Lyman-alpha emitters (LAEs) in the DEEP2 spectroscopic database that uses a search technique that is different from but complementary t…
A Magellan IMACS Spectroscopic Search for Lyman-Alpha Emitting Galaxies at Redshift 5.7
Crystal L. Martin, Marcin Sawicki, Alan Dressler +1
We present results from a blind, spectroscopic survey for redshift ~5.7 Lyman-alpha-emitting galaxies using the Inamori Magellan Areal Camera and Spectrograph. A total of ~200 squa…
Late-time observations of SN2006gy: Still Going Strong
Nathan Smith, Ryan J. Foley, Joshua S. Bloom +9
Owing to its extremely high luminosity and long duration, SN2006gy radiated more energy in visual light than any other known SN. Two hypotheses to explain its high luminosity -- th…
The Sloan Lens ACS Survey. VI: Discovery and analysis of a double Einstein ring
Raphael Gavazzi, Tommaso Treu, Leon V. E. Koopmans +4
We report the discovery of two concentric Einstein rings around the gravitational lens SDSSJ0946+1006, as part of the Sloan Lens ACS Survey. The main lens is at redshift zl=0.222,…
The Evolutionary History of Galactic Bulges: Photometric and Spectroscopic Studies of Distant Spheroids in the GOODS Fields
Lauren A. MacArthur, Richard S. Ellis, Tommaso Treu +3
We report on the first results of a new study aimed at understanding the diversity and evolutionary history of distant galactic bulges in the context of now well-established trends…
Extended Star Formation and Molecular Gas in the Tidal Arms near NGC3077
F. Walter, C. L. Martin, J. Ott
We report the detection of ongoing star formation in the prominent tidal arms near NGC 3077 (member of the M 81 triplet). In total, 36 faint compact HII regions were identified, co…