Browsing by Author "Garay Brignardello, Guido"
Now showing items 1-20 of 32
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(The American Astronomical Society, 2013-09-01)The morphology, kinematics, and entrainment mechanism of the HH 46/47 molecular outflow were studied using new ALMA Cycle 0 observations. Results show that the blue and red lobes are strikingly different. We argue that ...
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(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 ...
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(Institute of Physics Publishing, 2019)© 2019. The American Astronomical Society. All rights reserved.. For the past few decades, there has been great interest in determining if even the most massive stars in our galaxy (namely the spectral O-type stars) are ...
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(Institute of Physics Publishing, 2019)© 2019. The American Astronomical Society.. We report molecular line observations of the massive protostellar source G339.88-1.26 with the Atacama Large Millimeter/Submillimeter Array. The observations reveal a highly ...
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(Institute of Physics Publishing, 2019)© 2019. The American Astronomical Society. All rights reserved..We present 247 GHz molecular line observations of methanol (CH3OH) toward 16 massive star-forming regions using the APEX telescope with an angular resolution ...
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(The American Astronomical Society., 2015-04-10)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 high ...
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(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. ...
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(2015-04-01)G0.253+0.016 is a molecular clump that appears to be on the verge of forming a high-mass cluster: its extremely low dust temperature, high mass, and high density, combined with its lack of prevalent star formation, make ...
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(The American Astronomical Society, 2000-03-10)We present sensitive Very Large Array (VLA) radio continuum observations at 3.6 cm toward the star-forming region GGD 14 (also known as GGD 12/13/14/15, G213.88-11.84, and AFGL 890). In addition to the previously known ...
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A co survey in planet-forming disks: characterizing the gas content in the epoch of planet formation (The American Astronomical Society., 2014-07-31)We carried out a 12CO(3-2) survey of 52 southern stars with a wide range of IR excesses (L IR/L *) using the single-dish telescopes APEX and ASTE. The main aims were (1) to characterize the evolution of molecular gas in ...
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(The American Astronomical Society, 1991-08-20)VLA observations of ammonia in the (J, K) = (2, 2) and (3, 3) inversion transitions toward the compact H II region G5.89 - 0.39 are presented. These observations reveal the presence of a massive and hot molecular envelope ...
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(The American Astronomical Society, 1988-10-15)New 6 cm continuum and radio recombination line VLA observations as well as CO observations are presented of the bright PN NGC 6302. The H110-alpha line is significantly broader than the H76-alpha line, an effect which is ...
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(The American Astronomical Society, 2010-10)We present high angular and spectral resolution Hi 21 cm line observations toward the cometary-shaped compact Hii region G213.880−11.837 in the GGD 14 complex. The kinematics and morphology of the photodissociated region, ...
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(The American Astronomical Society., 2014-04-25)Despite their importance as stellar nurseries and the building blocks of galaxies, very little is known about the formation of the highest mass clusters. The dense clump G0.253+0.016 represents an example of a clump that ...
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(The American Astronomical Society, 2011-08-01)We report molecular line observations in the CO J = 3→2, 6→5, and 7→6 transitions, made using the Atacama Pathfinder Experiment Telescope, toward the massive and dense core IRAS 16562−3959. This core harbors a string of ...
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(EDP Sciences, 2019)Context. The formation of high-mass stars remains unknown in many aspects. There are two competing families of models to explain the formation of high-mass stars. On the one hand, quasi-static models predict the existence ...
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(Universidad de Chile, 2020)En esta Tesis se estudian las propiedades f\'isica, qu\'imicas de nubes moleculares densas y masivas (MDCs), que corresponden a las maternidades de estrellas de alta masa, que se encuentran en diferentes etapas evolutivas ...
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(Royal Astronomical Society, 2005)We report the results of a 1.2-mm continuum emission survey toward 131 star-forming complexes suspected of undergoing massive star formation. These regions have previously been identified as harbouring a methanol maser ...
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(Universidad de Chile, 2011)Las condensaciones masivas en nubes moleculares gigantes (GMCs) están asociadas con la formación de estrellas de alta masa, las cuales son la principal fuente de elementos pesados y radiación UV, jugando un papel importante ...
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(The American Astronomical Society, 2002-06-01)We present sensitive radio continuum observations at 3.6 and 6 cm made quasi-simultaneously toward the star-forming region GGD 14. The observations reveal the presence of nine extremely compact ( 0>3) and faint radio ...
