A. Sargent

Publications225
h-index56
Citations11,243
Highly Influential Citations1,723
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A Survey for Circumstellar Disks around Young Stellar Objects
Results are presented from a survey for 1.3 mm radiation toward 86 stars in the Taurus-Auriga dark clouds, including classical T Tauri stars, stars in T associations, and a few weak emission-line…
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The Spitzer c2d legacy results: star-formation rates and efficiencies; evolution and lifetimes
The c2d Spitzer Legacy project obtained images and photometry with both IRAC and MIPS instruments for five large, nearby molecular clouds. Three of the clouds were also mapped in dust continuum…
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Particle Emissivity in Circumstellar Disks
Submillimeter continuum observations of 29 pre-main-sequence objects in Taurus and Orion are used to study the wavelength dependence of particle emission. These objects are mostly T Tauri stars whose…
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PROPERTIES OF THE YOUNGEST PROTOSTARS IN PERSEUS,SERPENS,AND OPHIUCHUS
We present an unbiased census of deeply embedded protostars in Perseus, Serpens, and Ophiuchus, assembled by combining large-scale 1.1 mm Bolocam continuum and Spitzer Legacy surveys. We identify…
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The Mass Distribution and Lifetime of Prestellar Cores in Perseus, Serpens, and Ophiuchus
We present an unbiased census of starless cores in Perseus, Serpens, and Ophiuchus, assembled by comparing large-scale Bolocam 1.1 mm continuum emission maps with Spitzer c2d surveys. We use the c2d…
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STRUCTURE AND EVOLUTION OF PRE-MAIN-SEQUENCE CIRCUMSTELLAR DISKS
We present new subarcsecond (~0".7) Combined Array for Research in Millimeter-wave Astronomy (CARMA) observations of the 1.3 mm continuum emission from circumstellar disks around 11 low- and…
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Star Formation in Clusters: A Survey of Compact Millimeter-Wave Sources in the Serpens Core
We report the results of a millimeter interferometric survey of compact 3 mm continuum sources in the inner 55 ? 55 region of the Serpens core. We detect 32 discrete sources above 4.0 mJy beam-1, 21…
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High-Resolution Mapping of Molecular Outflows in NGC 2071, W49, and NGC 7538
On presente des cartes de haute resolution (7'') du gaz moleculaire et de l'emission continue dans les noyaux de NGC 2071, W 49 et NGC 7538. Les masses du gaz de haute vitesse, detecte par…
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A HIGH-RESOLUTION STUDY OF GAS AND DUST AROUND YOUNG INTERMEDIATE-MASS STARS: EVIDENCE FOR CIRCUMSTELLAR DISKS IN HERBIG Ae SYSTEMS
As part of a long-term program of observations to search for and characterize disks of gas and dust around intermediate-mass counterparts to solar-mass T Tauri stars, we have probed the environments…
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H2 and CO Emission from Disks around T Tauri and Herbig Ae Pre-Main-Sequence Stars and from Debris Disks around Young Stars: Warm and Cold Circumstellar Gas*
We present ISO Short-Wavelength Spectrometer observations of H_2 pure-rotational line emission from the disks around low- and intermediate-mass pre-main-sequence stars as well as from young stars…
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