Eric F. Bell

Stellar bars form dark matter counterparts in TNG50

Neil Ash, Monica Valluri, Yingtian Chen, Eric F. Bell

Dark matter (DM) bars that shadow stellar bars have been previously shown to form in idealized simulations of isolated disk galaxies. Here, we show that DM bars commonly occur in barred disk galaxies in the TNG50 cosmological simulation suite, but do not …

The 4MOST Hemisphere Survey of the Nearby Universe (4HS)

Edward N. Taylor, M. E. Cluver, Eric F. Bell, J. Brinchmann et autres

The 4MOST Hemisphere Survey (4HS) will obtain uniform spectroscopy and redshifts for approximately six million galaxies over ~ 2π steradians, and with high and unbiased completeness for z < 0.15. 4HS aims to 1) complete the map of mass and motion in …

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Overview of the DESI Legacy Imaging Surveys

Arjun Dey, David J. Schlegel, Dustin Lang, Robert Blum et autres

42 pages, 16 figures; submitted to the Astronomical Journal on April 23, 2018

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The DESI Experiment Part II: Instrument Design

Amir Aghamousa, Steve Ahlen, Shadab Alam, Carlos Allende Prieto et autres

DESI (Dark Energy Spectropic Instrument) is a Stage IV ground-based dark energy experiment that will study baryon acoustic oscillations and the growth of structure through redshift-space distortions with a wide-area galaxy and quasar redshift survey. The DESI instrument is a robotically-actuated, fiber-fed …

kr, us, gb, es, fr, ch, cl, mx (code pays fourni par la source)

The DESI Experiment Part I: Science,Targeting, and Survey Design

Amir Aghamousa, Steve Ahlen, Shadab Alam, Carlos Prieto et autres

DESI (Dark Energy Spectroscopic Instrument) is a Stage IV ground-based dark energy experiment that will study baryon acoustic oscillations (BAO) and the growth of structure through redshift-space distortions with a wide-area galaxy and quasar redshift survey. To trace the underlying dark matter …

kr, us, es, fr, gb, ca, ch, cl, mx, cn, it (code pays fourni par la source)