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- Consejo Nacional de Investigaciones Científicas y TécnicasAR78 papers
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18 papers · 1 filter
Sub-terahertz, microwaves and high energy emissions during the December 6, 2006 flare, at 18:40 UT
Pierre Kaufmann, Gerard Trottet, C. Guillermo Gimenez de Castro +4
The presence of a solar burst spectral component with flux density increasing with frequency in the sub-terahertz range, spectrally separated from the well-known microwave spectral…
Is J 133658.3-295105 a Radio Source at z >= 1.0 or at the Distance of M 83?
Horacio Dottori, Ruben J. Diaz, Damian Mast
We present Gemini optical imaging and spectroscopy of the radio source J 133658.3-295105. This source has been suggested to be the core of an FR II radio source with two detected l…
A Three-Decade Outburst of the LMC Luminous Blue Variable R127 Draws to a Close
Nolan R. Walborn, Otmar Stahl, Roberto C. Gamen +7
The paradigmatic Luminous Blue Variable R127 in the Large Magellanic Cloud has been found in the intermediate, peculiar early-B state, and substantially fainter in visual light, si…
Discovery of a [WO] central star in the planetary nebula Th 2-A
W. A. Weidmann, R. Gamen, R. J. Diaz +1
% context About 2500 planetary nebulae are known in our Galaxy but only 224 have central stars with reported spectral types in the Strasbourg-ESO Catalogue of Galactic Planetary Ne…
Spectroscopic metallicities of Vega-like stars
C. Saffe, M. Gomez, O. Pintado +1
Aims: To determine the metallicities of 113 Southern Hemisphere Vega-like candidate stars in relation to the Exoplanet host group and field stars. Methods: We applied two spectrosc…
Effects of Supernova Feedback on the Formation of Galaxy Disks
Cecilia Scannapieco, Patricia B. Tissera, Simon D. M. White +1
We use cosmological simulations in order to study the effects of supernova (SN) feedback on the formation of a Milky Way-type galaxy of virial mass ~10^12 M_sun/h. We analyse a set…