Search Results - "Wetzel, Andrew"

On the orbits of infalling satellite haloes by Wetzel, Andrew R.

“…The orbital properties of infalling satellite haloes set the initial conditions which control the subsequent evolution of subhaloes and the galaxies that they…”
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Galaxy evolution in groups and clusters: star formation rates, red sequence fractions and the persistent bimodality by Wetzel, Andrew R., Tinker, Jeremy L., Conroy, Charlie

“…Using galaxy group/cluster catalogues created from the Sloan Digital Sky Survey Data Release 7, we examine in detail the specific star formation rate (SSFR)…”
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SATELLITE DWARF GALAXIES IN A HIERARCHICAL UNIVERSE: INFALL HISTORIES, GROUP PREPROCESSING, AND REIONIZATION by Wetzel, Andrew R., Deason, Alis J., Garrison-Kimmel, Shea

“…ABSTRACT In the Local Group (LG), almost all satellite dwarf galaxies that are within the virial radius of the Milky Way (MW) and Andromeda (M31) exhibit…”
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THE PHYSICAL NATURE OF THE COSMIC ACCRETION OF BARYONS AND DARK MATTER INTO HALOS AND THEIR GALAXIES by Wetzel, Andrew R., Nagai, Daisuke

“…ABSTRACT The cosmic accretion of both dark matter and baryons into halos is typically measured using some evolving virial relation, but recent work suggests…”
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Galaxy evolution in groups and clusters: satellite star formation histories and quenching time-scales in a hierarchical Universe by Wetzel, Andrew R., Tinker, Jeremy L., Conroy, Charlie, van den Bosch, Frank C.

“…Satellite galaxies in groups and clusters are more likely to have low star formation rates (SFRs) and lie on the 'red sequence' than central ('field')…”
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Gaia Reveals a Metal-rich, in situ Component of the Local Stellar Halo by Bonaca, Ana, Conroy, Charlie, Wetzel, Andrew, Hopkins, Philip F., Kereš, Dušan

“…We use the first Gaia data release, combined with the RAVE and APOGEE spectroscopic surveys, to investigate the origin of halo stars within kpc from the Sun…”
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Baryonic solutions and challenges for cosmological models of dwarf galaxies by Sales, Laura V., Wetzel, Andrew, Fattahi, Azadeh

“…Galaxies and their dark-matter haloes have posed several challenges to the dark energy plus cold dark matter ( Λ CDM) cosmological model. These discrepancies…”
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Black holes on FIRE: stellar feedback limits early feeding of galactic nuclei by Anglés-Alcázar, Daniel, Faucher-Giguère, Claude-André, Quataert, Eliot, Hopkins, Philip F., Feldmann, Robert, Torrey, Paul, Wetzel, Andrew, Kereš, Dušan

“…Abstract We introduce massive black holes (BHs) in the Feedback In Realistic Environments (FIRE) project and perform high-resolution cosmological hydrodynamic…”
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AGN All the Way Down? AGN-like Line Ratios Are Common in the Lowest-mass Isolated Quiescent Galaxies by Dickey, Claire Mackay, Geha, Marla, Wetzel, Andrew, El-Badry, Kareem

“…We investigate the lowest-mass quiescent galaxies known to exist in isolated environments ( ; 1.5 Mpc from a more massive galaxy). This population may…”
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The Local Group on FIRE: dwarf galaxy populations across a suite of hydrodynamic simulations by Garrison-Kimmel, Shea, Hopkins, Philip F, Wetzel, Andrew, Bullock, James S, Boylan-Kolchin, Michael, Kereš, Dušan, Faucher-Giguère, Claude-André, El-Badry, Kareem, Lamberts, Astrid, Quataert, Eliot, Sanderson, Robyn

“…Abstract We present a new set of high-resolution hydrodynamic cosmological zoom-in simulations that apply the Feedback In Realistic Environments physics to…”
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BREATHING FIRE: HOW STELLAR FEEDBACK DRIVES RADIAL MIGRATION, RAPID SIZE FLUCTUATIONS, AND POPULATION GRADIENTS IN LOW-MASS GALAXIES by El-Badry, Kareem, Wetzel, Andrew, Geha, Marla, Hopkins, Philip F., Kereš, Dusan, Chan, T. K., Faucher-Giguère, Claude-André

“…ABSTRACT We examine the effects of stellar feedback and bursty star formation on low-mass galaxies (Mstar = 2 × 106 − 5 × 1010 M ) using the Feedback in…”
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FIRE-2 simulations: physics versus numerics in galaxy formation by Hopkins, Philip F, Wetzel, Andrew, Kereš, Dušan, Faucher-Giguère, Claude-André, Quataert, Eliot, Boylan-Kolchin, Michael, Murray, Norman, Hayward, Christopher C, Garrison-Kimmel, Shea, Hummels, Cameron, Feldmann, Robert, Torrey, Paul, Ma, Xiangcheng, Anglés-Alcázar, Daniel, Su, Kung-Yi, Orr, Matthew, Schmitz, Denise, Escala, Ivanna, Sanderson, Robyn, Grudić, Michael Y, Hafen, Zachary, Kim, Ji-Hoon, Fitts, Alex, Bullock, James S, Wheeler, Coral, Chan, T K, Elbert, Oliver D, Narayanan, Desika

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fire in the field: simulating the threshold of galaxy formation by Fitts, Alex, Boylan-Kolchin, Michael, Elbert, Oliver D., Bullock, James S., Hopkins, Philip F., Oñorbe, Jose, Wetzel, Andrew, Wheeler, Coral, Faucher-Giguère, Claude-André, Kereš, Dušan, Skillman, Evan D., Weisz, Daniel R.

“…Abstract We present a suite of 15 cosmological zoom-in simulations of isolated dark matter haloes, all with masses of M halo ≈ 1010 M⊙ at z = 0, in order to…”
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What does Clustering Tell us About the Buildup of the Red Sequence? by Tinker, Jeremy L, Wetzel, Andrew R

“…We analyze the clustering of red and blue galaxies from four samples spanning a redshift range of 0.4 < z < 2.0 to test the various scenarios by which galaxies…”
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Star Formation Quenching Timescale of Central Galaxies in a Hierarchical Universe by Hahn, ChangHoon, Tinker, Jeremy L., Wetzel, Andrew

“…Central galaxies make up the majority of the galaxy population, including the majority of the quiescent population at . Thus, the mechanism(s) responsible for…”
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Gas kinematics, morphology and angular momentum in the FIRE simulations by El-Badry, Kareem, Quataert, Eliot, Wetzel, Andrew, Hopkins, Philip F., Weisz, Daniel R., Chan, T. K., Fitts, Alex, Boylan-Kolchin, Michael, Kereš, Dušan, Faucher-Giguère, Claude-André, Garrison-Kimmel, Shea

“…Abstract We study the z = 0 gas kinematics, morphology and angular momentum content of isolated galaxies in a suite of cosmological zoom-in simulations from…”
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The origins of the circumgalactic medium in the FIRE simulations by Hafen, Zachary, Faucher-Giguère, Claude-André, Anglés-Alcázar, Daniel, Stern, Jonathan, Kereš, Dušan, Hummels, Cameron, Esmerian, Clarke, Garrison-Kimmel, Shea, El-Badry, Kareem, Wetzel, Andrew, Chan, T K, Hopkins, Philip F, Murray, Norman

“…ABSTRACT We use a particle tracking analysis to study the origins of the circumgalactic medium (CGM), separating it into (1) accretion from the intergalactic…”
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Halo histories versus galaxy properties at z = 0 II: large-scale galactic conformity by Tinker, Jeremy L, Hahn, ChangHoon, Mao, Yao-Yuan, Wetzel, Andrew R, Conroy, Charlie

“…Abstract Using group catalogues from the Sloan Digital Sky Survey (SDSS) Data Release 7, we measure galactic conformity in the local universe. We measure the…”
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Galaxy evolution near groups and clusters: ejected satellites and the spatial extent of environmental quenching by Wetzel, Andrew R., Tinker, Jeremy L., Conroy, Charlie, Bosch, Frank C. van den

“…Galaxies that are several virial radii beyond groups/clusters show preferentially quiescent star formation rates (SFR). Using a galaxy group/cluster catalogue…”
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The formation times and building blocks of Milky Way-mass galaxies in the FIRE simulations by Santistevan, Isaiah B, Wetzel, Andrew, El-Badry, Kareem, Bland-Hawthorn, Joss, Boylan-Kolchin, Michael, Bailin, Jeremy, Faucher-Giguère, Claude-André, Benincasa, Samantha

“…ABSTRACT Surveys of the Milky Way (MW) and M31 enable detailed studies of stellar populations across ages and metallicities, with the goal of reconstructing…”
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