Search Results - "Conroy, Charlie"
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Modeling the Panchromatic Spectral Energy Distributions of Galaxies
Published in Annual review of astronomy and astrophysics (18-08-2013)“…The spectral energy distributions (SEDs) of galaxies are shaped by nearly every physical property of the system, including the star-formation history, metal…”
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UniverseMachine: The correlation between galaxy growth and dark matter halo assembly from z = 0−10
Published in Monthly notices of the Royal Astronomical Society (21-09-2019)“…ABSTRACT We present a method to flexibly and self-consistently determine individual galaxies’ star formation rates (SFRs) from their host haloes’ potential…”
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THE STELLAR INITIAL MASS FUNCTION IN EARLY-TYPE GALAXIES FROM ABSORPTION LINE SPECTROSCOPY. II. RESULTS
Published in The Astrophysical journal (20-11-2012)“…The spectral absorption lines in early-type galaxies contain a wealth of information regarding the detailed abundance pattern, star formation history, and…”
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The Propagation of Uncertainties in Stellar Population Synthesis Modeling. III. Model Calibration, Comparison, and Evaluation
Published in The Astrophysical journal (01-04-2010)“…Stellar population synthesis (SPS) provides the link between the stellar and dust content of galaxies and their observed spectral energy distributions. In the…”
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Nebular Continuum and Line Emission in Stellar Population Synthesis Models
Published in The Astrophysical journal (01-05-2017)“…Accounting for nebular emission when modeling galaxy spectral energy distributions (SEDs) is important, as both line and continuum emissions can contribute…”
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The Evolution and Properties of Rotating Massive Star Populations
Published in The Astrophysical journal (01-04-2017)“…We investigate the integrated properties of massive ( ) rotating single-star stellar populations for a variety of initial rotation rates ( , 0.2, 0.4, 0.5, and…”
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How to Measure Galaxy Star Formation Histories. II. Nonparametric Models
Published in The Astrophysical journal (01-05-2019)“…Nonparametric star formation histories (SFHs) have long promised to be the "gold standard" for galaxy spectral energy distribution (SED) modeling as they are…”
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Gaia Reveals a Metal-rich, in situ Component of the Local Stellar Halo
Published in The Astrophysical journal (20-08-2017)“…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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MESA ISOCHRONES AND STELLAR TRACKS (MIST). I. SOLAR-SCALED MODELS
Published in The Astrophysical journal (01-06-2016)“…ABSTRACT This is the first of a series of papers presenting the Modules for Experiments in Stellar Astrophysics (MESA) Isochrones and Stellar Tracks (MIST)…”
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Hunting Faint Dwarf Galaxies in the Field Using Integrated Light Surveys
Published in The Astrophysical journal (20-03-2018)“…We discuss the approach of searching the lowest mass dwarf galaxies, , in the general field, using integrated light surveys. By exploring the limiting surface…”
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The Stellar Initial Mass Function in Early-type Galaxies from Absorption Line Spectroscopy. III. Radial Gradients
Published in The Astrophysical journal (01-06-2017)“…There is good evidence that the centers of massive early-type galaxies have a bottom-heavy stellar initial mass function (IMF) compared to that of the Milky…”
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Reconciling M/L Ratios Across Cosmic Time: a Concordance IMF for Massive Galaxies
Published in Astrophysical journal. Letters (01-09-2024)“…Abstract The stellar initial mass function (IMF) is thought to be bottom heavy in the cores of the most massive galaxies, with an excess of low-mass stars…”
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A Redshift-independent Efficiency Model: Star Formation and Stellar Masses in Dark Matter Halos at z 4
Published in The Astrophysical journal (01-12-2018)“…We explore the connection between the UV luminosity functions (LFs) of high-z galaxies and the distribution of stellar masses and star formation histories…”
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The Spur and the Gap in GD-1: Dynamical Evidence for a Dark Substructure in the Milky Way Halo
Published in The Astrophysical journal (20-07-2019)“…We present a model for the interaction of the GD-1 stellar stream with a massive perturber that naturally explains many of the observed stream features,…”
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The Stellar Initial Mass Function in Early-type Galaxies from Absorption Line Spectroscopy. IV. A Super-Salpeter IMF in the Center of NGC 1407 from Non-parametric Models
Published in The Astrophysical journal (10-03-2017)“…It is now well-established that the stellar initial mass function (IMF) can be determined from the absorption line spectra of old stellar systems, and this has…”
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A substantial population of low-mass stars in luminous elliptical galaxies
Published in Nature (London) (16-12-2010)“…The stellar initial mass function (IMF) describes the mass distribution of stars at the time of their formation and is of fundamental importance for many areas…”
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Galaxy evolution in groups and clusters: star formation rates, red sequence fractions and the persistent bimodality
Published in Monthly notices of the Royal Astronomical Society (01-07-2012)“…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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How to Measure Galaxy Star Formation Histories. I. Parametric Models
Published in The Astrophysical journal (01-03-2019)“…Parametric models for galaxy star formation histories (SFHs) are widely used, though they are known to impose strong priors on physical parameters. This has…”
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A Theory for the Variation of Dust Attenuation Laws in Galaxies
Published in The Astrophysical journal (10-12-2018)“…In this paper, we provide a physical model for the origin of variations in the shapes and bump strengths of dust attenuation laws in galaxies by combining a…”
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