Now showing items 1-20 of 104

    • Garay Brignardello, Guido; Mardones Pérez, Diego; Brooks, Kate J.; Videla, Liza; Contreras, Yanett (2007)
      We present observations of 1.2 mm dust continuum emission made with the Swedish-ESO Submillimeter Telescope toward 18 luminous IRAS point sources, all with colors typical of compact H II regions and associated with CS(2 ...
    • Brooks, Kate J.; Garay Brignardello, Guido; Mardones Pérez, Diego; Bronfman Aguiló, Leonardo (UNIV CHICAGO PRESS, 2003-09-10)
      IRAS 16547 - 4247 is the most luminous (6.2 x 10(4) L-.) embedded young stellar object known to harbor a thermal radio jet. We report the discovery using the Very Large Telescope Infrared Spectrometer and Array Camera of ...
    • Guzmán, Andres E.; Sanhueza, Patricio; Zapata, Luis; Garay Brignardello, Guido; Rodríguez, Luis Felipe (IOP, 2020)
      We present high spatial resolution (52 au) observations of the high-mass young stellar object (HMYSO) G345.4938+01.4677 made using the Atacama Large Millimeter/submillimeter Array. This O-type HMYSO is located at 2.38 kpc ...
    • Guzmán Fernández, Andrés; Garay Brignardello, Guido; Rodríguez, Luis F.; Contreras, Yanett; Dougados, Catherine; Cabrit, Sylvie (IOP, 2016)
      We present radio continuum observations of the high-mass young stellar object (HMYSO) G345.4938+01.4677 obtained using the Australia Telescope Compact Array (ATCA) at 5, 9, 17, and 19 GHz. These observations provide definite ...
    • Purser, S. J. D.; Lumsden, S. L.; Hoare, M. G.; Urquhart, J. S.; Cunningham, N.; Purcell, C. R.; Brooks, K. J.; Garay Brignardello, Guido; Guzmán Fernández, Andrés; Voronkov, M. A. (Oxford University Press, 2016)
      Radio continuum observations using the Australia telescope compact array at 5.5, 9.0, 17.0 and 22.8 GHz have detected free-free emission associated with 45 of 49 massive young stellar objects and H ii regions. Of these, ...
    • Torrelles, J. M.; Patel, N. A.; Curiel, S.; Estalella, R.; Gómez, J. F.; Rodríguez, L. F.; Cantó, J.; Anglada Escudé, Guillem; Vlemmings, W.; Garay Brignardello, Guido; Raga, A. C.; Ho, P. T. P. (2011)
      We present five epochs of VLBI water maser observations around the massive protostar Cepheus A HW2 with 0.4 mas (0.3 au) resolution. The main goal of these observations was to follow the evolution of the remarkable water ...
    • Silva Bustamante, Andrea (Universidad de Chile, 2010)
      El objetivo de esta tesis es estudiar las propiedades físicas y cinemáticas en el interior de seis núcleos densos y masivos seleccionados en base a la forma de sus perfiles de la línea CS(2-1), que indican existencia de ...
    • Zhang, Yichen; Arce, Héctor G.; Mardones Pérez, Diego; Cabrit, Sylvie; Dunham, Michael M.; Garay Brignardello, Guido; Noriega-Crespo, Alberto; Offner, Stella; Raga, Alejandro; Corder, Stuartt A. (The American Astronomical Society, 2016-12-01)
      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 Compact Array observations. The improved angular resolution and sensitivity ...
    • Hervías-Caimapo, Carlos (Universidad de Chile, 2014)
      El flujo molecular, bipolar y masivo G331.512-0.103 es uno de los flujos más potentes y luminosos en nuestra Galaxia. Localizado a una distancia de ∼ 7.5 kpc, está localizado cerca de la tangente del brazo espiral de Norma. ...
    • Neupane, Sudeep; Garay Brignardello, Guido; Contreras, Yanett; Guzmán, Andrés; Rodríguez, Luis Felipe (IOP, 2020)
      We report Atacama Large Millimeter Array observations of 3 mm dust continuum emission and line emission, in HCO+, (HCO+)-C-13, N2H+, and CH3CN, toward two massive and dense clumps (MDCs) in early but distinct evolutionary ...
    • Zapata, Luis A.; Palau, Aina; Galván Madrid, Roberto; Rodríguez, Luis F.; Garay Brignardello, Guido; Morán, James M.; Franco Hernández, Ramiro (Oxford University Press, 2015)
      We present high angular resolution (similar to 0.3 arcsec) submillimeter continuum (0.85 mm) and line observations of the O-type protostar IRAS 16547-4247 carried out with the Atacama Large Millimeter/Submillimeter Array ...
    • Liu, Tie; Lacy, John; Li, Pak Shing; Wang, Ke; Qin, Sheng-Li; Zhang, Qizhou; Kim, Kee-Tae; Garay Brignardello, Guido; Wu, Yuefang; Mardones, Diego; Zhu, Qingfeng; Tatematsu, Ken'ichi; Hirota, Tomoya; Ren, Zhiyuan; Liu, Sheng-Yuan; Chen, Huei-Ru; Su, Yu-Nung; Li, Di (IOP Publishing Ltd, 2017)
      Stellar feedback from high-mass stars (e.g., H II regions) can strongly influence the surrounding interstellar medium and regulate star formation. Our new ALMA observations reveal sequential high-mass star formation taking ...
    • Plunkett, Adele; Arce, Héctor; Corder, Stuartt; Dunham, Michael; Garay Brignardello, Guido; Mardones Pérez, Diego (IOP Publishing, 2015)
      Molecular outflows driven by protostellar cluster members likely impact their surroundings and contribute to turbulence, affecting subsequent star formation. The very young Serpens South cluster consists of a particularly ...
    • Liu, Tie; Evans, Neal J.; Kim, Kee-Tae; Goldsmith, Paul F.; Liu, Sheng-Yuan; Zhang, Qizhou; Tatematsu, Ken’ichi; Wang, Ke; Juvela, Mika; Bronfman Aguiló, Leonardo; Cunningham, María R.; Garay Brignardello, Guido; Hirota, Tomoya; Lee, Jeong-Eun; Kang, Sung-Ju; Li, Di; Li, Pak Shing; Mardones Pérez, Diego; Qin, Sheng-Li; Ristorcelli, Isabelle; Tej, Anandmayee; Toth, L. Viktor; Wu, Jing-Wen; Wu, Yue-Fang; Yi, Hee-weon; Yun, Hyeong-Sik; Liu, Hong-Li; Peng, Ya-Ping; Li, Juan; Li, Shang-Huo; Lee, Chang Won; Shen, Zhi-Qiang; Baug, Tapas; Wang, Jun-Zhi; Zhang, Yong; Issac, Namitha; Zhu, Feng-Yao; Luo, Qiu-Yi; Soam, Archana; Liu, Xun-Chuan; Xu, Feng-Wei; Wang, Yu; Zhang, Chao; Ren, Zhiyuan; Zhang, Chao (Oxford University Press, 2020)
      The ATOMS, standing for ALMA Three-millimeter Observations of Massive Star-forming regions, survey has observed 146 active star-forming regions with ALMA band 3, aiming to systematically investigate the spatial distribution ...
    • Liu, Tie; Evans, Neal J.; Kim, Kee-Tae; Goldsmith, Paul F.; Liu, Sheng-Yuan; Zhang, Qizhou; Tatematsu, Ken’ichi; Wang, Ke; Juvela, Mika; Bronfman Aguiló, Leonardo; Cunningham, Maria. R.; Garay Brignardello, Guido; Hirota, Tomoya; Lee, Jeong-Eun; Kang, Sung-Ju; Li, Di; Li, Pak Shing; Mardones Pérez, Diego; Qin, Sheng-Li; Ristorcelli, Isabelle; Tej, Anandmayee; Toth, L. Viktor; Wu, Jing-Wen; Wu, Yue-Fang; Yi, Hee-weon; Yun, Hyeong-Sik; Liu, Hong-Li; Peng, Ya-Ping; Li, Juan; Li, Shang Huo; Lee, Chang Won; Shen, Zhi-Qiang; Baug, Tapas; Wang, Jun-Zhi; Zhang, Yong; Issac, Namitha; Zhu, Feng-Yao; Luo, Qiu-Yi; Liu, Xun-Chuan; Xu, Feng-Wei; Wang, Yu; Zhang, Chao; Ren, Zhiyuan; Zhang, Chao (Oxford University Press, 2020)
      We report studies of the relationships between the total bolometric luminosity (L-bol or L-TIR) and the molecular line luminosities of J = 1 - 0 transitions of (HCN)-C-13, (HCO+)-C-13, HCN, and HCO+ with data obtained from ...
    • Rubio López, Mónica; Garay Brignardello, Guido; Montani, J.; Thaddeus, P. (1991-02-10)
      The central 2 arcsec x 2 arcsec region of the SMC has been fully surveyed to search for (C-12)O emission in the J = 1-0 transition. (C-12)O emission from two large complexes located in the southwest and northeast regions ...
    • Rebolledo Lara, David Andrés (Universidad de ChilePrograma Cybertesis, 2007)
      En esta tesis presento observaciones de la emisión en las líneas moleculares C8(2 -+ 1) y 13CO(2 -+ 1) hechas con el telescopio 8E8T, hacia las regiones de formación estelar NGC 6334 y NGC 6357. Observé un total de 68 ...
    • Ruiz González, María Teresa; Rojo Rubke, Patricio; Garay Brignardello, Guido; Maza Sancho, José (UNIV CHICAGO PRESS, 2001-05-10)
      We present spectroscopic observations of object CE 315 revealing a blue continuum with strong emission lines. Most of the detected lines are identified with He I or He II in emission, with a handful of faint lines of ...
    • Rodríguez, L. F.; Garay Brignardello, Guido; Curiel, S.; Ramírez, Solange; Torrelles, J. M.; Gómez, Y.; Velásquez, A. (UNIV CHICAGO PRESS, 1994-07-20)
      At angular resolution of approximately 1 arc second(s) the Cepheus A East Radio source is known to consist of 16 compact components clustered within a 25 arc second(s) radius region, most of which are aligned in stringlike ...
    • Guzmán, Andrés; Guzmán, Viviana; Garay Brignardello, Guido; Bronfman Aguiló, Leonardo; Hechenleitner, Federico (Institute of Physics Publishing, 2018)
      We present molecular line observations of the high-mass molecular clump IRAS 16562−3959 taken at 3 mm using the Atacama Large Millimeter/submillimeter Array (ALMA) at 1. 007 angular resolution (0.014 pc spatial resolution). ...