Search Results - "Smith, T. D."
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Calibrating Star Formation in WISE Using Total Infrared Luminosity
Published in The Astrophysical journal (20-11-2017)“…We present accurate resolved WISE photometry of galaxies in the combined SINGS and KINGFISH sample. The luminosities in the W3 12 m and W4 23 m bands are…”
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2
Excitation of Polycyclic Aromatic Hydrocarbon Emission: Dependence on Size Distribution, Ionization, and Starlight Spectrum and Intensity
Published in The Astrophysical journal (01-08-2021)“…Abstract Using physical models, we study the sensitivity of polycyclic aromatic hydrocarbon (PAH) emission spectra to the character of the illuminating…”
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Star Formation and Molecular Gas Diagnostics with Mid- and Far-infrared Emission
Published in The Astrophysical journal (01-05-2023)“…Abstract With the start of JWST observations, mid-infrared (MIR) emission features from polycyclic aromatic hydrocarbons (PAHs), H 2 rotational lines, fine…”
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Calibration of Ultraviolet, Mid-infrared, and Radio Star Formation Rate Indicators
Published in The Astrophysical journal (01-10-2017)“…We present calibrations for star formation rate (SFR) indicators in the ultraviolet, mid-infrared, and radio-continuum bands, including one of the first direct…”
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Metallicity Effects on Dust Properties in Starbursting Galaxies
Published in The Astrophysical journal (10-05-2008)“…We present infrared observations of 66 starburst galaxies over the full range of oxygen abundances observed in local star-forming galaxies, from [image] to…”
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A Framework for Modeling Polycyclic Aromatic Hydrocarbon Emission in Galaxy Evolution Simulations
Published in The Astrophysical journal (01-07-2023)“…Abstract We present a new methodology for simulating mid-infrared emission from polycyclic aromatic hydrocarbons (PAHs) in galaxy evolution simulations. To do…”
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Modeling Ionized Gas in the Small Magellanic Cloud: The Wolf–Rayet Nebula N76
Published in The Astrophysical journal (01-07-2024)“…Abstract We present Cloudy modeling of infrared emission lines in the Wolf–Rayet (WR) nebula N76 caused by one of the most luminous and hottest WR stars in the…”
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[C i](1–0) and [C i](2–1) in Resolved Local Galaxies
Published in The Astrophysical journal (10-12-2019)“…Abstract We present resolved [C i ] line intensities of 18 nearby galaxies observed with the SPIRE FTS spectrometer on the Herschel Space Observatory . We use…”
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The Metallicity Dependence of PAH Emission in Galaxies. I. Insights from Deep Radial Spitzer Spectroscopy
Published in The Astrophysical journal (01-10-2024)“…Abstract We use deep Spitzer mid-infrared spectroscopic maps of radial strips across three nearby galaxies with well-studied metallicity gradients (M101, NGC…”
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Combined influence of physical activity and television viewing on the risk of overweight in US youth
Published in International Journal of Obesity (01-04-2008)“…Objective: The purpose of this study was to examine the combined influence of physical activity (PA) and television viewing (TV) on the risk of overweight in…”
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Maternal obesity and increased nutrient intake before and during gestation in the ewe results in altered growth, adiposity, and glucose tolerance in adult offspring
Published in Journal of animal science (01-11-2010)“…We evaluated the effects of preconception and gestational obesity in the ewe on offspring growth, metabolism, and glucose homeostasis. From 60 d before…”
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Spectral Mapping Reconstruction of Extended Sources
Published in Publications of the Astronomical Society of the Pacific (01-10-2007)“…Three‐dimensional spectroscopy of extended sources is typically performed with dedicated integral field spectrographs. We describe a method of reconstructing…”
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LIGHTING THE DARK MOLECULAR GAS: H2 AS A DIRECT TRACER
Published in The Astrophysical journal (10-10-2016)“…ABSTRACT Robust knowledge of molecular gas mass is critical for understanding star formation in galaxies. The molecule does not emit efficiently in the cold…”
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14
The Behavior of the Aromatic Features in M101 H II Regions: Evidence for Dust Processing
Published in The Astrophysical journal (20-07-2008)“…The aromatic features in M101 were studied spectroscopically and photometrically using observations from all three instruments on the Spitzer Space Telescope…”
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15
Milky Way Mid-Infrared Spitzer Spectroscopic Extinction Curves: Continuum and Silicate Features
Published in The Astrophysical journal (01-07-2021)“…Abstract We measured the mid-infrared (MIR) extinction using Spitzer photometry and spectroscopy (3.6–37 μ m) for a sample of Milky Way sight lines (mostly)…”
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All the PAHs: An AKARI–Spitzer Cross-archival Spectroscopic Survey of Aromatic Emission in Galaxies
Published in The Astrophysical journal (01-12-2020)“…Abstract We present a large sample of 2.5–38 μ m galaxy spectra drawn from a cross-archival comparison in the AKARI–Spitzer Extragalactic Spectral Survey, and…”
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After the Fall: The Dust and Gas in E+A Post-starburst Galaxies
Published in The Astrophysical journal (01-03-2018)“…The traditional picture of post-starburst galaxies as dust- and gas-poor merger remnants, rapidly transitioning to quiescence, has been recently challenged…”
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The Impact of an Active Galactic Nucleus on Polycyclic Aromatic Hydrocarbon Emission in Galaxies: The Case of Ring Galaxy NGC 4138
Published in The Astrophysical journal (01-04-2024)“…Abstract We present a focused study of radially resolved varying PAH emission in the low-luminosity active galactic nucleus (AGN)-host NGC 4138 using deep…”
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Radio Jet Feedback on the Inner Disk of Virgo Spiral Galaxy Messier 58
Published in The Astrophysical journal (01-02-2024)“…Abstract Spitzer spectral maps reveal a disk of highly luminous, warm (>150 K) H 2 in the center of the massive spiral galaxy Messier 58, which hosts a…”
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Remating in the laboratory reflects rates of polyandry in the wild
Published in Animal behaviour (01-12-2011)“…Much of our understanding of female mating behaviour in insects comes from studies performed under controlled laboratory conditions, with Drosophila as the…”
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