Browsing by Author "Bronfman Aguiló, Leonardo"

Now showing items 1-20 of 37

    • ALMA Observations of the Massive Molecular Outflow G331.512-0.103. II. Physical Properties, Kinematics, and ... 
      Hervías-Caimapo, Carlos; Merello, Manuel; Bronfman Aguiló, Leonardo; Ake-Nyman, Lars; Garay Brignardello, Guido; Lo, Nadia; Ii, Neal J.Evans; López Calderón, Cristian Marcelo; Mendoza, Edgar (Institute of Physics Publishing, 2019)
      We present observations and analysis of the massive molecular outflow G331.512-0.103, obtained with Atacama Large Millimeter/submillimeter Array band 7, continuing the work from Merello et al. Several lines were identified ...
    • Alma observations reveal no preferred outflow -filament and outflow- magnetic field orientations in protoclusters 
      Baug, T.; Wang, Ke; Liu, Tie; Tang, Mengyao; Zhang, Qizhou; Li, Di; Eswaraiah, Chakali; Liu, Sheng-Yuan; Tej, Anandmayee; Goldsmith, Paul; Bronfman Aguiló, Leonardo; Qin, Sheng-Li; Toth, Viktor; Li, Pak-Shing; Kim, Kee-Tae (IOP Publishing, 2020)
      We present a statistical study of the orientation of outflows with respect to large-scale filaments and magnetic fields. Although filaments are widely observed toward Galactic star-forming regions, the exact role of filaments ...
    • ALMA survey of massive cluster progenitors from ATLASGAL: Limited fragmentation at the early evolutionary ... 
      Csengeri, T.; Bontemps, S.; Wyrowski, F.; Motte, F.; Menten, K. M.; Beuther, H.; Bronfman Aguiló, Leonardo; Commerçon, B.; Chapillón, E.; Duarte Cabral, A.; Fuller, G. A.; Henning, Th; Leurini, S.; Longmore, S.; Palau, A.; Peretto, N.; Schuller, F.; Tan, J. C.; Testi, L.; Traficante, A.; Urquhart, J. S. (EDP Sciences, 2017)
      The early evolution of massive cluster progenitors is poorly understood. We investigate the fragmentation properties from 0.3 pc to 0.06 pc scalesof a homogenous sample of infrared-quiet massive clumps within 4.5 kpc ...
    • ATLASGAL - compact source catalogue: 330 degrees < l < 21 degrees 
      Contreras, Y.; Schuller, F.; Urquhart, J. S.; Csengeri, T.; Wyrowski, F.; Beuther, H.; Bontemps, S.; Bronfman Aguiló, Leonardo; Henning, Thomas; Menten, K. M.; Schilke, P.; Walmsley, C. M.; Wienen, M.; Tackenberg, J.; Linz, H. (EDP Sciences, 2012-10-24)
      Context. The APEX Telescope Large Area Survey of the GALaxy (ATLASGAL) is the first systematic survey of the inner Galactic plane in the sub-millimetre. The observations were carried out with the Large APEX Bolometer Camera ...
    • ATLASGAL - Complete compact source catalogue: 280°<ℓ< 60° 
      Urquhart, J. S.; Csengeri, T.; Wyrowski, F.; Schuller, F.; Bontemps, S.; Bronfman Aguiló, Leonardo; Menten, K. M.; Walmsley, C. M.; Contreras, Y.; Beuther, H.; Wienen, M.; Linz, H. (EDP Sciences, 2014)
      Context. The APEX Telescope Large Area Survey of the Galaxy (ATLASGAL) is the largest and most sensitive systematic survey of the inner Galactic plane in the submillimetre wavelength regime. The observations were carried ...
    • ATLASGAL - environments of 6.7 GHz methanol masers 
      Urquhart, J. S.; Moore, T. J. T.; Schuller, F.; Wyrowski, F.; Menten, K. M.; Thompson, M. A.; Csengeri, T.; Walmsley, C. M.; Bronfman Aguiló, Leonardo; König, C. (Oxford University Press on behalf of the Royal Astronomical Society, 2013-03-12)
      Using the 870 mu m APEX Telescope large area survey of the Galaxy, we have identified 577 submillimetre continuum sources with masers from the methanol multibeam survey in the region 280 degrees < l < 20 degrees; vertical ...
    • The ATLASGAL survey: a catalog of dust condensations in the Galactic plane 
      Csengeri, T.; Urquhart, S.; Schuller, F.; Motte, F.; Bontemps, S.; Wyrowski, F.; Menten, K. M.; Bronfman Aguiló, Leonardo; Beuther, H.; Henning, Thomas; Testi, L.; Zavagno, A.; Walmsley, M. (2014)
      Context. The formation processes and the evolutionary stages of high-mass stars are poorly understood compared to low-mass stars. Large-scale surveys are needed to provide an unbiased census of high column density sites ...
    • The ATLASGAL survey: distribution of cold dust in the Galactic plane Combination with Planck data 
      Csengeri, T.; Weiss, A.; Wyrowski, F.; Menten, K.; Urquhart, J.; Leurini, S.; Schuller, F.; Beuther, H.; Bontemps, S.; Bronfman Aguiló, Leonardo; Henning, Thomas; Schneider, N. (EDP SCIENCES, 2016)
      Context. Sensitive ground-based submillimeter surveys, such as ATLASGAL, provide a global view on the distribution of cold dense gas in the Galactic plane at up to two-times better angular-resolution compared to recent ...
    • ATLASGAL – properties of compact H II regions and their natal clumps 
      Urquhart, J.; Thompson, M.; Moore, T.; Purcell, C. R.; Hoare, M.; Schuller, F.; Wyrowski, F.; Csengeri, T.; Menten, K.; Lumsden, S. L.; Kurtz, S.; Walmsley, C. M.; Bronfman Aguiló, Leonardo; Morgan, L.; Eden, D.; Russeil, D. (Royal Astronomical Society, 2013-08-19)
      We present a complete sample of molecular clumps containing compact and ultracompact H II (UC H II) regions between = 10◦ and 60◦ and |b| < 1◦, identified by combining the APEX Telescope Large Area Survey of the Galaxy ...
    • ATLASGAL – towards a complete sample of massive star forming clumps 
      Urquhart, James; Moore, Toby; Csengeri, Timea; Wyrowski, Friedrich; Schuller, Frederic; Hoare, Melvin G.; Lumsden, Stuart; Mottran, Josep; Thompson, Mark; Menten, Karl; Walmsley, C. M.; Bronfman Aguiló, Leonardo; Pfalzner, Susana; König, Carsten; Wienen, Marion (Royal Astronomical Society, 2014)
      By matching infrared-selected, massive young stellar objects (MYSOs) and compact H II regions in the Red MSX Source survey to massive clumps found in the submillimetre ATLASGAL (APEX Telescope Large Area Survey of the ...
    • Characterization of infrared dark clouds 
      Chira, R. A.; Beuther, H.; Linz, H.; Schuller, F.; Walmsley, C. M.; Menten, K. M.; Bronfman Aguiló, Leonardo (2013)
      Context. Despite increasing research in massive star formation, little is known about its earliest stages. Infrared dark clouds (IRDCs) are cold, dense and massive enough to harbour the sites of future high-mass star ...
    • Construction and Measurement of a 31.3–45 GHz Optimized Spline-profile Horn with Corrugations 
      Zorzi Avendaño, Pablo Ignacio; Granet, Christophe; Colleoni, Franco; Reyes, Nicolás; Pizarro Lucero, José; Mena Mena, Fausto Patricio; Bronfman Aguiló, Leonardo (Springer, 2012)
      A corrugated spline-profile horn has been designed to meet the stringent specifications and constraints of a receiver for Band 1 (31.3–45 GHz) of the Atacama Large Millimeter Array (ALMA). Given the physical restrictions ...
    • Control of deviations and prediction of surface roughness from micro machining of THz waveguides using ... 
      Griffin, James M.; Díaz, Fernanda; Geerling, Edgar; Clasing, Matías; Ponce, Vicente; Taylor, Chris; Turner, Sam; Michael, Ernest; Mena Mena, Fausto Patricio; Bronfman Aguiló, Leonardo (Academic Press-Elsevier, 2017)
      By using acoustic emission (AE) it is possible to control deviations and surface quality during micro milling operations. The method of micro milling is used to manufacture a submillimetre waveguide where micro machining ...
    • Development of modular components for radio astronomical receivers in the bands Q (30-50 GHZ) and W (80-110 GHZ) 
      Jarufe Troncoso, Claudio Felipe (Universidad de Chile, 2018)
      Este trabajo presenta el diseño, construcción y caracterización de dispositivos para receptores radioastronómicos en las bandas Q (30-50GHz) y W (80-110GHz). Por un lado, el dispositivo desarrollado para la banda Q es de ...
    • DISCOVERY OF A MASSIVE PROTOSTAR NEAR IRAS 18507+0121 
      Shepherd, D. S.; Nürnberger, D. E. A.; Bronfman Aguiló, Leonardo (The American Astronomical Society, 2004-02-20)
      We have observed the massive star-forming region IRAS 18507+0121 at millimeter wavelengths in 3 mm continuum emission, H13CO+ ( J ¼ 1 0) and SiO (v ¼ 0, J ¼ 2 1) line emission, and at near-infrared (NIR) wavelengths ...
    • Dust-correlated cm wavelength continuum emission from translucent clouds ζ Oph and LDN 1780 
      Vidal, M.; Casassus Montero, Simón; Dickinson, C.; Witt, A. N.; Castellanos, P.; Davies, R. D.; Davis, R. J.; Cabrera, G.; Cleary, K.; Allison, J. R.; Bond, J. R.; Bronfman Aguiló, Leonardo; Bustos, R.; Jones, M. E.; Paladini, R.; Pearson, T. J.; Readhead, A. C. S.; Reeves, R.; Sievers, J. L.; Taylor, A. C. (2011)
      The diffuse cm wave IR-correlated signal, the ‘anomalous’ CMB foreground, is thought to arise in the dust in cirrus clouds.We present Cosmic Background Imager (CBI) cm wave data of two translucent clouds, ζ Oph and LDN ...
    • Dust-gas scaling relations and oh abundance in the galactic ISM 
      Nguyen, Hiep; Dawson, J. R.; Miville-Deschenes, M.-A.; Tang, Ningyu; Li, Di; Heiles, Carl; Murray, Claire E.; Stanimirovic, Snezana; Gibson, Steven J.; McClure-Griffiths, N. M.; Troland, Thomas; Bronfman Aguiló, Leonardo; Finger Camus, Ricardo (IOP Publishing, 2018)
      Observations of interstellar dust are often used as a proxy for total gas column density N-H. By comparing Planck thermal dust data (Release 1.2) and new dust reddening maps from Pan-STARRS 1 and 2MASS, with accurate ...
    • Extended mosaic observations with the Cosmic Background Imager 
      Readhead, A. C. S.; Mason, B. S.; Contaldi, C. R.; Pearson, T. J.; Bond, J. R.; Myers, S. T.; Padin, S.; Sievers, J. L.; Cartwright, J. K.; Shepherd, M. C.; Pogosyan, D.; Prunet, S.; Altamirano, P.; Bustos, R.; Bronfman Aguiló, Leonardo; Casassus Montero, Simón; Holzapfel, W. L.; May Humeres, Jorge; Pen, U.-L.; Torres, S.; Udomprasert, P. S. (IOP PUBLISHING, 2004-07-10)
      Two years of microwave background observations with the Cosmic Background Imager ( CBI) have been combined to give a sensitive, high-resolution angular power spectrum over the range 400 < l < 3500. This power spectrum has ...
    • Giant molecular clouds and massive star formation in the Southern Milky Way 
      García, P.; Bronfman Aguiló, Leonardo; Nyman, Lars-Åke; Dame, T. M.; Luna, A. (The American Astronomical Society., 2014-05)
      The Columbia University–Universidad de Chile CO Survey of the southern Milky Way is used to separate the CO(1–0) emission of the fourth Galactic quadrant within the solar circle into its dominant components, giant molecular ...
    • Infrared dark clouds on the far side of the Galaxy 
      Giannetti, A.; Wyrowski, Friedrich; Leurini, S.; Urquhart, J.; Csengeri, T.; Menten, K. M.; Bronfman Aguiló, Leonardo; Van der Tak, F. F. S. (EDP Sciences, 2015)
      Context. Infrared dark clouds are the coldest and densest portions of giant molecular clouds. The most massive ones represent some of the most likely birthplaces for the next generation of massive stars in the Milky Way. ...