Now showing items 1-20 of 106

    • Kainulainen, J.; Lehtinen, K.; Väisänen, P.; Bronfman Aguiló, Leonardo; Knude, J. (EDP SCIENCES S A, 2007-03)
      We present a study of radial density structure of the star forming globule, DCld303.8-14.2 (DC303), and a non-star forming globule, Thumbprint Nebula (TPN), using near-infrared data taken with the ISAAC instrument on the ...
    • Finger Camus, Ricardo; Curotto, F.; Fuentes, R.; Duan, R.; Bronfman Aguiló, Leonardo; Li, D. (IOP Publishing Ltd, 2018)
      Radio Frequency Interference (RFI) is a growing concern in the radio astronomy community. Single-dish telescopes are particularly susceptible to RFI. Several methods have been developed to cope with RF-polluted environments, ...
    • Deharveng, L.; Schuller, F.; Anderson, L. D.; Zavagno, A.; Wyrowski, F.; Menten, K. M.; Bronfman Aguiló, Leonardo; Testi, L.; Walmsley, C. M.; Wienen, M. (2010-12)
      Context. This study deals with infrared bubbles, the H II regions they enclose, and triggered massive-star formation on their borders. Aims. We attempt to determine the nature of the bubbles observed by Spitzer in the ...
    • Bitrán, M.; Álvarez Moreno, Héctor Julio; Bronfman Aguiló, Leonardo; May Humeres, Jorge; Thaddeus, P. (1997-10)
      We present the data from a CO(J = 1 --> 0) survey of the central region of our Galaxy. The observations were obtained with the 1.2-m Southern Millimeter-wave Telescope at Cerro Tololo Interamerican Observatory, Chile. This ...
    • 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 ...
    • 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. ...
    • Louvet, Fabien; Dougados, Catherine; Cabrit, S.; Hales, A.; Pinte, Christophe; Ménard, F.; Bacciotti, F.; Coffey, D.; Mardones Pérez, Diego; Bronfman Aguiló, Leonardo; Gueth, F. (EDP Sciences, 2016)
      Aims. Recently, differences in Doppler shifts across the base of four close classical T Tauri star jets have been detected with the HST in optical and near-ultraviolet (NUV) emission lines, and these Doppler shifts were ...
    • 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 ...
    • Baug, T.; Wang, Ke; Liu, Tie; Tang, Mengyao; Zhang, Qizhou; Li, Di; Eswaraiah, Chakali; Liu, Sheng-Yuan; Tej, Anandmayee; Goldsmith, Paul F.; Bronfman Aguiló, Leonardo; Qin, Sheng-Li; Tóth, Viktor L.; 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 ...
    • Hsu, Shih-Ying; Liu, Sheng-Yuan; Liu, Tie; Sahu, Dipen; Hirano, Naomi; Lee, Chin-Fei; Tatematsu, Ken’ichi; Kim, Gwanjeong; Juvela, Mika; Sanhueza, Patricio; He, JinHua; Johnstone, Doug; Qin, Sheng-Li; Bronfman Aguiló, Leonardo; Chen, Huei-Ru Vivien; Dutta, Somnath; Eden, David J.; Jhan, Kai-Syun; Kim, Kee-Tae; Kuan, Yi-Jehng; Kwon, Woojin; Lee, Chang Won; Lee, Jeong-Eun; Moraghan, Anthony; Rawlings, M. G.; Shang, Hsein; Soam, Archana; Thompson, M. A.; Traficante, Alessio; Wu, Yuefang; Yang, Yao-Lun; Zhang, Qizhou (IOP, 2020)
      We report the detection of four new hot corino sources, G211.47-19.27S, G208.68-19.20N1, G210.49-19.79W, and G192.12-11.10, from a survey study of Planck Galactic Cold Clumps in the Orion Molecular Cloud Complex with the ...
    • Dutta, Somnath; Lee, Chin-Fei; Liu, Tie; Hirano, Naomí; Liu, Sheng-Yuan; Tatematsu, Ken'ichi; Kim, Kee-Tae; Shang, Hsien; Sahu, Dipen; Kim, Gwanjeong; Moraghan, Anthony; Jhan, Kai-Syun; Hsu, Shih-Ying; Evans, Neal J.; Johnstone, Doug; Ward Thompson, Derek; Kuan, Yi-Jehng; Lee, Chang-Won; Lee, Jeong-Eun; Traficante, Alessio; Juvela, Mika; Vastel, Charlotte; Zhang, Qizhou; Sanhueza, Patricio; Soam, Archana; Kwon, Woojin; Bronfman Aguiló, Leonardo; Eden, David; Goldsmith, Paul F.; He, JinHua; Wu, Yuefang; Pelkonen, Veli Matti; Qin, Sheng-Li; Li, Shanghuo; Li, Di (IOP, 2020)
      Planck Galactic Cold Clumps (PGCCs) are considered to be the ideal targets to probe the early phases of star formation. We have conducted a survey of 72 young dense cores inside PGCCs in the Orion complex with the Atacama ...
    • Casassus Montero, Simón; Readhead, A. C. S.; Pearson, T. J.; Nyman, L. A.; Shepherd, M. C.; Bronfman Aguiló, Leonardo (UNIV CHICAGO PRESS, 2004-03-10)
      A by-product of experiments designed to map the cosmic microwave background is the recent detection of a new component of foreground Galactic emission. The anomalous foreground at similar to 10 - 30 GHz, unexplained by ...
    • Figueira, M.; Zavagno, A.; Bronfman Aguiló, Leonardo; Russeil, D.; Finger Camus, Ricardo; Schuller, F. (EDP Science, 2020)
      Context. The edges of ionized (HII) regions are important sites for the formation of (high-mass) stars. Indeed, at least 30% of the Galactic high-mass-star formation is observed there. The radiative and compressive impact ...
    • Wienen, M.; Wyrowski, F.; Menten, K. M.; Urquhart, J. S.; Csengeri, T.; Walmsley, C. M.; Bontemps, S.; Russeil, D.; Bronfman Aguiló, Leonardo; Koribalski, B. S.; Schuller, F. (EDP Sciences, 2015)
      Context. The formation of high mass stars and clusters occurs in giant molecular clouds. Objects in evolved stages of massive star formation such as protostars, hot molecular cores, and ultracompact HII regions have been ...
    • Schuller, F.; Menten, K. M.; Contreras, Y.; Wyrowski, F.; Schilke, P.; Bronfman Aguiló, Leonardo; Henning, Thomas; Walmsley, C. M.; Beuther, H.; Bontemps, S.; Cesaroni, R.; Deharveng, L.; Garay Brignardello, Guido; Herpin, F.; Lefloch, B.; Linz, H.; Mardones, D.; Minier, V.; Molinari, S.; Motte, F.; Nyman, L.-Å.; Reveret, V.; Risacher, C.; Russeil, D.; Schneider, N.; Testi, L.; Troost, T.; Vasyunina, T.; Wienen, M.; Zavagno, A.; Kovacs, A.; Kreysa, E.; Siringo, G.; Weiß, A. (ESO, 2009-02-20)
      Context. Thanks to its excellent 5100 m high site in Chajnantor, the Atacama Pathfinder Experiment (APEX) systematically explores the southern sky at submillimeter wavelengths, in both continuum and spectral line emission. ...
    • Oka, Tomoharu; Kamegai, Kazuhisa; Hayashida, Masaaki; Nagai, Makoto; Ikeda, Masafumi; Kuboi, Nobuyuki; Tanaka, Kunihiko; Bronfman Aguiló, Leonardo; Yamamoto, Satoshi (UNIV CHICAGO PRESS, 2005-04-20)
      We present a coarsely sampled longitude-velocity (l-V) map of the region l = 300 degrees - 354 degrees, b = 0 degrees in the 492 GHz fine-structure transition of neutral atomic carbon (C-0 P-3(1) - P-3(0); [C I]), observed ...
    • 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 ...
    • Ramos Oliver, Nicolás Esteban (Universidad de ChilePrograma Cybertesis, 2009)
      Desde 1983 la Universidad de Chile, en colaboración con la Universidad de Harvard, opera en el Observatorio Interamericano de Cerro Tololo – La Serena, Chile – un radiotelescopio a 115 [GHz]. Este receptor, conocido como ...
    • Navarrete Moreno, Francisco José (Universidad de ChileCyberDocs, 2011)
      Este trabajo de título tiene como objetivo diseñar y construir un sistema de caracterización de transistores HEMT. Este sistema tiene como n determinar el comportamiento de transistores candidatos a ser utilizados en el ...