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73 papers
GTC Follow-up Observations of Very Metal-Poor Star Candidates from DESI
Carlos Allende Prieto, David S. Aguado, Jonay I. González Hernández +48
The observations from the Dark Energy Spectroscopic Instrument (DESI) will significantly increase the numbers of known extremely metal-poor stars by a factor of ~ 10, improving the…
Fast, Slow, Early, Late: Quenching Massive Galaxies at z~0.8
Sandro Tacchella, Charlie Conroy, S. M. Faber +14
We investigate the stellar populations for a sample of 161 massive, mainly quiescent galaxies at with deep Keck/DEIMOS rest-frame optical spectros…
Performance of Kitt Peak's Mayall 4-meter Telescope During DESI Commissioning
Aaron M. Meisner, Behzad Abareshi, Arjun Dey +21
In preparation for the Dark Energy Spectroscopic Instrument (DESI), a new top end was installed on the Mayall 4-meter telescope at Kitt Peak National Observatory. The refurbished t…
Preliminary Target Selection for the DESI Milky Way Survey (MWS)
Carlos Allende Prieto, Andrew P. Cooper, Arjun Dey +31
The DESI Milky Way Survey (MWS) will observe 8 million stars between mag, supplemented by observations of brighter targets under poor observing conditions. The s…
SpecTel: A 10-12 meter class Spectroscopic Survey Telescope
Richard Ellis, Kyle Dawson, Joss Bland-Hawthorn +25
We recommend a conceptual design study for a spectroscopic facility in the southern hemisphere comprising a large diameter telescope, fiber system, and spectrographs collectively o…
HALO7D II: The Halo Velocity Ellipsoid and Velocity Anisotropy with Distant Main Sequence Stars
Emily C. Cunningham, Alis J. Deason, Robyn E. Sanderson +7
The Halo Assembly in Lambda-CDM: Observations in 7 Dimensions (HALO7D) dataset consists of Keck II/DEIMOS spectroscopy and Hubble Space Telescope-measured proper motions of Milky W…