Search Results - "Dunham, Michael M."

THE VLA NASCENT DISK AND MULTIPLICITY SURVEY OF PERSEUS PROTOSTARS (VANDAM). II. MULTIPLICITY OF PROTOSTARS IN THE PERSEUS MOLECULAR CLOUD by Tobin, John J., Looney, Leslie W., Li, Zhi-Yun, Chandler, Claire J., Dunham, Michael M., Segura-Cox, Dominique, Sadavoy, Sarah I., Melis, Carl, Harris, Robert J., Kratter, Kaitlin, Perez, Laura

“…ABSTRACT We present a multiplicity study of all known protostars (94) in the Perseus molecular cloud from a Karl G. Jansky Very Large Array survey at Ka-band…”
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Can Protostellar Outflows Set Stellar Masses? by Myers, Philip C., Dunham, Michael M., Stephens, Ian W.

“…Abstract The opening angles of some protostellar outflows appear too narrow to match the expected core–star mass efficiency (SFE) = 0.3–0.5, if the outflow…”
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ALMA Observations of Dust Polarization and Molecular Line Emission from the Class 0 Protostellar Source Serpens SMM1 by Hull, Charles L. H., Girart, Josep M., Tychoniec, ukasz, Rao, Ramprasad, Cortés, Paulo C., Pokhrel, Riwaj, Zhang, Qizhou, Houde, Martin, Dunham, Michael M., Kristensen, Lars E., Lai, Shih-Ping, Li, Zhi-Yun, Plambeck, Richard L.

“…We present high angular resolution dust polarization and molecular line observations carried out with the Atacama Large Millimeter/submillimeter Array (ALMA)…”
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Episodic molecular outflow in the very young protostellar cluster Serpens South by Plunkett, Adele L., Arce, Héctor G., Mardones, Diego, van Dokkum, Pieter, Dunham, Michael M., Fernández-López, Manuel, Gallardo, José, Corder, Stuartt A.

“…A study of 12 CO outflow emission from the protostellar source CARMA-7 in the cluster Serpens South suggests that episodic ejections of mass by the protostar…”
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An ALMA Search for Substructure and Fragmentation in Starless Cores in Orion B North by Fielder, Samuel D., Kirk, Helen, Dunham, Michael M., Offner, Stella S. R.

“…Abstract We present Atacama Large Millimeter/submillimeter Array (ALMA) Cycle 3 observations of 73 starless and protostellar cores in the Orion B North…”
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Star-Gas Surface Density Correlations in 12 Nearby Molecular Clouds. I. Data Collection and Star-sampled Analysis by Pokhrel, Riwaj, Gutermuth, Robert A., Betti, Sarah K., Offner, Stella S. R., Myers, Philip C., Megeath, S. Thomas, Sokol, Alyssa D., Ali, Babar, Allen, Lori, Allen, Thomas S., Dunham, Michael M., Fischer, William J., Henning, Thomas, Heyer, Mark, Hora, Joseph L., Pipher, Judith L., Tobin, John J., Wolk, Scott J.

“…We explore the relation between the stellar mass surface density and the mass surface density of molecular hydrogen gas in 12 nearby molecular clouds that are…”
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An Episodic Wide-angle Outflow in HH 46/47 by Zhang, Yichen, Arce, Héctor G., Mardones, Diego, Cabrit, Sylvie, Dunham, Michael M., Garay, Guido, Noriega-Crespo, Alberto, Offner, Stella S. R., Raga, Alejandro C., Corder, Stuartt A.

“…During star formation, the accretion disk drives fast MHD winds, which usually contain two components, a collimated jet and a radially distributed wide-angle…”
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The VLA Nascent Disk and Multiplicity Survey of Perseus Protostars (VANDAM). V. 18 Candidate Disks around Class 0 and I Protostars in the Perseus Molecular Cloud by Segura-Cox, Dominique M., Looney, Leslie W., Tobin, John J., Li, Zhi-Yun, Harris, Robert J., Sadavoy, Sarah, Dunham, Michael M., Chandler, Claire, Kratter, Kaitlin, Pérez, Laura, Melis, Carl

“…We present the full disk-fit results VANDAM survey of all Class 0 and I protostars in the Perseus molecular cloud. We have 18 new protostellar disk candidates…”
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Evolutionary Signatures in the Formation of Low-Mass Protostars. II. Toward Reconciling Models and Observations by Dunham, Michael M, Evans, Neal J, Terebey, Susan, Dullemond, Cornelis P, Young, Chadwick H

“…A long-standing problem in low-mass star formation is the 'luminosity problem', whereby protostars are underluminous compared to the accretion luminosity…”
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Near-infrared High-resolution Imaging Polarimetry of FU Ori-type Objects: Toward a Unified Scheme for Low-mass Protostellar Evolution by Takami, Michihiro, Fu, Guangwei, Liu, Hauyu Baobab, Karr, Jennifer L., Hashimoto, Jun, Kudo, Tomoyuki, Vorobyov, Eduard I., Kóspál, Ágnes, Scicluna, Peter, Dong, Ruobing, Tamura, Motohide, Pyo, Tae-Soo, Fukagawa, Misato, Tsuribe, Toru, Dunham, Michael M., Henning, Thomas, Leon, Jerome de

“…Abstract We present near-IR imaging polarimetry of five classical FU Ori-type objects (FU Ori, V1057 Cyg, V1515 Cyg, V1735 Cyg, Z CMa) with an ∼0.″1 resolution…”
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The CARMA-NRO Orion Survey: Protostellar Outflows, Energetics, and Filamentary Alignment by Feddersen, Jesse R., Arce, Héctor G., Kong, Shuo, Suri, Sümeyye, Sánchez-Monge, Álvaro, Ossenkopf-Okada, Volker, Dunham, Michael M., Nakamura, Fumitaka, Shimajiri, Yoshito, Bally, John

“…We identify 45 protostellar outflows in CO maps of the Orion A giant molecular cloud from the Combined Array for Research in Millimeter-wave Astronomy-Nobeyama…”
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Hierarchical Fragmentation in the Perseus Molecular Cloud: From the Cloud Scale to Protostellar Objects by Pokhrel, Riwaj, Myers, Philip C., Dunham, Michael M., Stephens, Ian W., Sadavoy, Sarah I., Zhang, Qizhou, Bourke, Tyler L., Tobin, John J., Lee, Katherine I., Gutermuth, Robert A., Offner, Stella S. R.

“…We present a study of hierarchical structure in the Perseus molecular cloud, from the scale of the entire cloud ( pc) to smaller clumps (∼1 pc), cores…”
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ALMA CYCLE 1 OBSERVATIONS OF THE HH46/47 MOLECULAR OUTFLOW: STRUCTURE, ENTRAINMENT, AND CORE IMPACT by Zhang, Yichen, Arce, Héctor G., Mardones, Diego, Cabrit, Sylvie, Dunham, Michael M., Garay, Guido, Noriega-Crespo, Alberto, Offner, Stella S. R., Raga, Alejandro C., Corder, Stuartt A.

“…ABSTRACT We present Atacama Large Millimeter/sub-millimeter Array Cycle 1 observations of the HH 46/47 molecular outflow using combined 12 m array and Atacama…”
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Alignment between Protostellar Outflows and Filamentary Structure by Stephens, Ian W., Dunham, Michael M., Myers, Philip C., Pokhrel, Riwaj, Sadavoy, Sarah I., Vorobyov, Eduard I., Tobin, John J., Pineda, Jaime E., Offner, Stella S. R., Lee, Katherine I., Kristensen, Lars E., Jørgensen, Jes K., Goodman, Alyssa A., Bourke, Tyler L., Arce, Héctor G., Plunkett, Adele L.

“…We present new Submillimeter Array (SMA) observations of CO(2-1) outflows toward young, embedded protostars in the Perseus molecular cloud as part of the Mass…”
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ALMA observations of envelopes around first hydrostatic core candidates by Maureira, María José, Arce, Héctor G, Dunham, Michael M, Mardones, Diego, Guzmán, Andrés E, Pineda, Jaime E, Bourke, Tyler L

“…ABSTRACT We present ALMA 3 mm molecular line and continuum observations with a resolution of ∼3.5 arcsec towards five first hydrostatic core (FHSC) candidates…”
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The Mass Evolution of Protostellar Disks and Envelopes in the Perseus Molecular Cloud by Andersen, Bridget C., Stephens, Ian W., Dunham, Michael M., Pokhrel, Riwaj, Jørgensen, Jes K., Frimann, Søren, Segura-Cox, Dominique, Myers, Philip C., Bourke, Tyler L., Tobin, John J., Tychoniec, ukasz

“…In the standard picture for low-mass star formation, a dense molecular cloud undergoes gravitational collapse to form a protostellar system consisting of a new…”
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The ALMA Legacy Survey of Class 0/I Disks in Corona australis, Aquila, chaMaeleon, oPhiuchus north, Ophiuchus, Serpens (CAMPOS). I. Evolution of Protostellar Disk Radii by Hsieh, Cheng-Han, Arce, Héctor G., Maureira, María José, Pineda, Jaime E., Segura-Cox, Dominique, Mardones, Diego, Dunham, Michael M., Arun, Aiswarya

“…Abstract We surveyed nearly all the embedded protostars in seven nearby clouds (Corona Australis, Aquila, Chamaeleon I and II, Ophiuchus North, Ophiuchus,…”
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Evolution and Kinematics of Protostellar Envelopes in the Perseus Molecular Cloud by Heimsoth, Daniel J., Stephens, Ian W., Arce, Héctor G., Bourke, Tyler L., Myers, Philip C., Dunham, Michael M.

“…Abstract We present a comprehensive analysis of the evolution of envelopes surrounding protostellar systems in the Perseus molecular cloud using data from the…”
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Diagnosing 0.1-10 au Scale Morphology of the FU Ori Disk Using ALMA and VLTI/GRAVITY by Liu, Hauyu Baobab, Mérand, Antoine, Green, Joel D., Pérez, Sebastián, Hales, Antonio S., Yang, Yao-Lun, Dunham, Michael M., Hasegawa, Yasuhiro, Henning, Thomas, Galván-Madrid, Roberto, Kóspál, Ágnes, Takami, Michihiro, Vorobyov, Eduard I., Zhu, Zhaohuan

“…We report new Atacama Large Millimeter/submillimeter Array Band 3 (86-100 GHz; ∼80 mas angular resolution) and Band 4 (146-160 GHz; ∼50 mas angular resolution)…”
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AN ALMA SEARCH FOR SUBSTRUCTURE, FRAGMENTATION, AND HIDDEN PROTOSTARS IN STARLESS CORES IN CHAMAELEON I by Dunham, Michael M., Offner, Stella S. R., Pineda, Jaime E., Bourke, Tyler L., Tobin, John J., Arce, Héctor G., Chen, Xuepeng, Francesco, James Di, Johnstone, Doug, Lee, Katherine I., Myers, Philip C., Price, Daniel, Sadavoy, Sarah I., Schnee, Scott

“…ABSTRACT We present an Atacama Large Millimeter/submillimeter Array (ALMA) 106 GHz (Band 3) continuum survey of the complete population of dense cores in the…”
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