Search Results - "Looney, Leslie W."

The VLA/ALMA Nascent Disk and Multiplicity (VANDAM) Survey of Orion Protostars. III. Substructures in Protostellar Disks by Sheehan, Patrick D., Tobin, John J., Federman, Sam, Megeath, S. Thomas, Looney, Leslie W.

“…The prevalence of substructures in ∼1-10 Myr old protoplanetary disks, which are often linked to planet formation, has raised the question of how early such…”
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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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ALMA's Polarized View of 10 Protostars in the Perseus Molecular Cloud by Cox, Erin G., Harris, Robert J., Looney, Leslie W., Li, Zhi-Yun, Yang, Haifeng, J. Tobin, John, Stephens, Ian

“…We present 870 m ALMA dust polarization observations of 10 young Class 0/I protostars in the Perseus Molecular Cloud. At ∼0 35 (80 au) resolution, all of our…”
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The VLA/ALMA Nascent Disk and Multiplicity (VANDAM) Survey of Orion Protostars. VI. Insights from Radiative Transfer Modeling by Sheehan, Patrick D., Tobin, John J., Looney, Leslie W., Megeath, S. Thomas

“…Abstract We present Markov Chain Monte Carlo radiative transfer modeling of a joint ALMA 345 GHz and spectral energy distribution data set for a sample of 97…”
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Highly Ordered and Pinched Magnetic Fields in the Class 0 Protobinary System L1448 IRS 2 by Kwon, Woojin, Stephens, Ian W., Tobin, John J., Looney, Leslie W., Li, Zhi-Yun, van der Tak, Floris F. S., Crutcher, Richard M.

“…We have carried out polarimetric observations with the Atacama Large Millimeter/submillimeter Array toward the Class 0 protostellar system L1448 IRS 2, which…”
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THE ENVELOPE AND EMBEDDED DISK AROUND THE CLASS 0 PROTOSTAR L1157-mm: DUAL-WAVELENGTH INTERFEROMETRIC OBSERVATIONS AND MODELING by CHIANG, Hsin-Fang, LOONEY, Leslie W, TOBIN, John J

“…We present dual-wavelength observations and modeling of the nearly edge-on Class 0 young stellar object L1157-mm. Using the Combined Array for Research in…”
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A SUB-ARCSECOND SURVEY TOWARD CLASS 0 PROTOSTARS IN PERSEUS: SEARCHING FOR SIGNATURES OF PROTOSTELLAR DISKS by Tobin, John J., Looney, Leslie W., Wilner, David J., Kwon, Woojin, Chandler, Claire J., Bourke, Tyler L., Loinard, Laurent, Chiang, Hsin-Fang, Schnee, Scott, Chen, Xuepeng

“…ABSTRACT We present a 1.3 mm dust continuum survey toward nine Class 0 protostars and two Class I protostars in the Perseus molecular cloud, using CARMA with a…”
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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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Resolving the Circumstellar Disk of HL Tauri at Millimeter Wavelengths by Kwon, Woojin, Looney, Leslie W, Mundy, Lee G

“…We present results of high-resolution imaging toward HL Tau by the Combined Array for Research in Millimeter-wave Astronomy. We have obtained Delta *l = 1.3 mm…”
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Low-level Carbon Monoxide Line Polarization in Two Protoplanetary Disks: HD 142527 and IM Lup by Stephens, Ian W., Fernández-López, Manuel, Li, Zhi-Yun, Looney, Leslie W., Teague, Richard

“…Abstract Magnetic fields are expected to play an important role in accretion processes for circumstellar disks. However, measuring the magnetic field…”
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Early Planet Formation in Embedded Disks (eDisk). II. Limited Dust Settling and Prominent Snow Surfaces in the Edge-on Class I Disk IRAS 04302+2247 by Lin, Zhe-Yu Daniel, Li, Zhi-Yun, Tobin, John J., Ohashi, Nagayoshi, Jørgensen, Jes Kristian, Looney, Leslie W., Aso, Yusuke, Takakuwa, Shigehisa, Aikawa, Yuri, van’t Hoff, Merel L. R., de Gregorio-Monsalvo, Itziar, Encalada, Frankie J., Flores, Christian, Gavino, Sacha, Han, Ilseung, Kido, Miyu, Koch, Patrick M., Kwon, Woojin, Lai, Shih-Ping, Lee, Chang Won, Lee, Jeong-Eun, Phuong, Nguyen Thi, Sai (Insa Choi), Jinshi, Sharma, Rajeeb, Sheehan, Patrick, Thieme, Travis J., Williams, Jonathan P., Yamato, Yoshihide, Yen, Hsi-Wei

“…Abstract While dust disks around optically visible, Class II protostars are found to be vertically thin, when and how dust settles to the midplane are unclear…”
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Magnetic Fields Observed along the East–West Outflow of IRAS 16293-2422 by Encalada, Frankie J., Looney, Leslie W., Novak, Giles, Sadavoy, Sarah, Cox, Erin G., Pereira-Santos, Fabio, Lee, Dennis, Harrison, Rachel, Pattle, Kate

“…Magnetic fields likely play an important role in the formation of young protostars. Multiscale and multiwavelength dust polarization observations can reveal…”
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KINEMATICS OF THE ENVELOPE AND TWO BIPOLAR JETS IN THE CLASS 0 PROTOSTELLAR SYSTEM L1157 by Kwon, Woojin, Fernández-López, Manuel, Stephens, Ian W., Looney, Leslie W.

“…ABSTRACT A massive envelope and a strong bipolar outflow are the two main structures characterizing the youngest protostellar systems. In order to understand…”
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The VLA/ALMA Nascent Disk and Multiplicity (VANDAM) Survey of Orion Protostars. IV. Unveiling the Embedded Intermediate-Mass Protostar and Disk within OMC2-FIR3/HOPS-370 by Tobin, John J., Sheehan, Patrick D., Reynolds, Nickalas, Megeath, S. Thomas, Osorio, Mayra, Anglada, Guillem, Díaz-Rodríguez, Ana Karla, Furlan, Elise, Kratter, Kaitlin M., Offner, Stella S. R., Looney, Leslie W., Kama, Mihkel, Li, Zhi-Yun, van ’t Hoff, Merel L. R., Sadavoy, Sarah I., Karnath, Nicole

“…Abstract We present ALMA (0.87 and 1.3 mm) and VLA (9 mm) observations toward the candidate intermediate-mass protostar OMC2-FIR3 (HOPS-370; L bol  ∼ 314 L ⊙ )…”
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Turbulent Vortex with Moderate Dust Settling Probed by Scattering-induced Polarization in the IRS 48 System by Yang, Haifeng, Fernández-López, Manuel, Li, Zhi-Yun, Stephens, Ian W., Looney, Leslie W., Lin, Zhe-Yu Daniel, Harrison, Rachel

“…Abstract We investigate the crescent-shaped dust trap in the transition disk Oph IRS 48 using well-resolved (sub)millimeter polarimetric observations at ALMA…”
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STELLAR CLUSTERINGS AROUND "ISOLATED" MASSIVE YSOs IN THE LMC by Stephens, Ian W., Gouliermis, Dimitrios, Looney, Leslie W., Gruendl, Robert A., Chu, You-Hua, Weisz, Daniel R., Seale, Jonathan P., Chen, C.-H. Rosie, Wong, Tony, Hughes, Annie, Pineda, Jorge L., Ott, Jürgen, Muller, Erik

“…ABSTRACT Observations suggest that there is a significant fraction of O stars in the field of the Milky Way that appear to have formed in isolation or in…”
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Protoplanetary Disk Polarization at Multiple Wavelengths: Are Dust Populations Diverse? by Harrison, Rachel E., Lin, Zhe-Yu Daniel, Looney, Leslie W., Li, Zhi-Yun, Yang, Haifeng, Stephens, Ian W., Fernández-López, Manuel

“…Abstract Millimeter and submillimeter observations of continuum linear dust polarization provide insight into dust grain growth in protoplanetary disks, which…”
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Finding Substructures in Protostellar Disks in Ophiuchus by Michel, Arnaud, Sadavoy, Sarah I., Sheehan, Patrick D., Looney, Leslie W., Cox, Erin G., Tobin, John J., van der Marel, Nienke, Segura-Cox, Dominique M.

“…Abstract High-resolution, millimeter observations of disks at the protoplanetary stage reveal substructures such as gaps, rings, arcs, spirals, and cavities…”
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ALIGNMENT BETWEEN FLATTENED PROTOSTELLAR INFALL ENVELOPES AND AMBIENT MAGNETIC FIELDS by Chapman, Nicholas L, Davidson, Jacqueline A, Goldsmith, Paul F, Houde, Martin, Kwon, Woojin, Li, Zhi-Yun, Looney, Leslie W, Matthews, Brenda, Matthews, Tristan G, Novak, Giles, Peng, Ruisheng, Vaillancourt, John E, VOLGENAU, NIKOLAUS H

“…We present 350 [mu]m polarization observations of four low-mass cores containing Class 0 protostars: L483, LI 157, L1448-IRS2, and Serp-FIR1. This is the…”
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The VLA/ALMA Nascent Disk And Multiplicity (VANDAM) Survey of Orion Protostars. V. A Characterization of Protostellar Multiplicity by Tobin, John J., Offner, Stella S. R., Kratter, Kaitlin M., Megeath, S. Thomas, Sheehan, Patrick D., Looney, Leslie W., Diaz-Rodriguez, Ana Karla, Osorio, Mayra, Anglada, Guillem, Sadavoy, Sarah I., Furlan, Elise, Segura-Cox, Dominique, Karnath, Nicole, van ’t Hoff, Merel L. R., van Dishoeck, Ewine F., Li, Zhi-Yun, Sharma, Rajeeb, Stutz, Amelia M., Tychoniec, Łukasz

“…Abstract We characterize protostellar multiplicity in 20 Current address: Niels Bohr Institute, University of Copenhagen, Øster Voldgade 5–7, DK-1350,…”
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