Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Gueth, Fredéric"'
Autor:
Codella, Claudio, Ceccarelli, Cecilia, Lee, Chin-Fei, Bianchi, Eleonora, Balucani, Nadia, Podio, Linda, Cabrit, Sylvie, Gueth, Frederic, Gusdorf, Antoine, Lefloch, Bertrand, Tabone, Benoit
The investigation of star forming regions have enormously benefited from the recent advent of the ALMA interferometer. More specifically, the unprecedented combination of high-sensitivity and high-angular resolution provided by ALMA allows one to she
Externí odkaz:
http://arxiv.org/abs/1910.04442
Autor:
Tobin, John, Bourke, Tyler, Mader, Stacy, Kristensen, Lars, Arce, Hector, Gueth, Frederic, Gusdorf, Antoine, Codella, Claudio, Leurini, Silvia, Chen, Xuepeng
We present a characterization of the binary protostar system that is forming within a dense core in the isolated dark cloud BHR71. The pair of protostars, IRS1 and IRS2, are both in the Class 0 phase, determined from observations that resolve the sou
Externí odkaz:
http://arxiv.org/abs/1811.03059
Autor:
Lefèvre, Charlène, Cabrit, Sylvie, Maury, Anaëlle J., Gueth, Frederic, Tabone, Benoît, Podio, Linda, Belloche, Arnaud, Codella, Claudio, Maret, Sébastien, Anderl, Sybille, André, Philippe, Hennebelle, Patrick
Publikováno v:
A&A 604, L1 (2017)
Aims. We wish to clarify the origin of the multiple jet features emanating from the binary protostar SVS 13A (= VLA4A/VLA4B). Methods. We used the Plateau de Bure Interferometer to map at 0.3-0.8" (~70-190 au) dust emission at 1.4 mm, CO(2-1), SiO(5-
Externí odkaz:
http://arxiv.org/abs/1707.02262
Autor:
Tang, Ya-Wen, Dutrey, Anne, Guilloteau, Stephane, Chapillon, Edwige, Pietu, Vincent, Di Folco, Emmanuel, Bary, Jeff, Beck, Tracy, Beust, Herve, Boehler, Yann, Gueth, Frederic, Hure, Jean-Marc, Pierens, Arnaud, Simon, Michal
We aim to unveil the observational imprint of physical mechanisms that govern planetary formation in the young, multiple system GG Tau A. We present ALMA observations of $^{12}$CO and $^{13}$CO 3-2 and 0.9 mm continuum emission with 0.35" resolution.
Externí odkaz:
http://arxiv.org/abs/1511.05687
Autor:
Wang, Yuan, Audard, Marc, Fontani, Francesco, Sánchez-Monge, Álvaro, Busquet, Gemma, Palau, Aina, Beuther, Henrik, Tan, Jonathan C., Estalella, Robert, Isella, Andrea, Gueth, Frederic, Jiménez-Serra, Izaskun
Publikováno v:
A&A 587, A69 (2016)
IRAS 22134+5834 was observed in the centimeter with (E)VLA, 3~mm with CARMA, 2~mm with PdBI, and 1.3~mm with SMA, to study the continuum emission as well as the molecular lines, that trace different physical conditions of the gas to study the influen
Externí odkaz:
http://arxiv.org/abs/1510.02251
Autor:
Tang, Ya-Wen, Dutrey, Anne, Guilloteau, Stephane, Pietu, Vincent, Di Folco, Emmanuel, Beck, Tracy, Ho, Paul T. P., Boehler, Yann, Gueth, Frederic, Bary, Jeff, Simon, Michal
Recent exo-planetary surveys reveal that planets can orbit and survive around binary stars. This suggests that some fraction of young binary systems which possess massive circumbinary disks (CB) may be in the midst of planet formation. However, there
Externí odkaz:
http://arxiv.org/abs/1407.4561
Autor:
Louvet, Fabien, Motte, Frédérique, Hennebelle, Patrick, Bonnell, Ian, Bontemps, Sylvain, Gusdorf, Antoine, Hill, Tracey, Gueth, Frédéric, Peretto, Nicolas, Duarte-Cabral, Ana, Stephan, Gwendoline, Schilke, Peter, Csengeri, Timéa, Luong, Quang Nguyen, Lis, Darek
Publikováno v:
A&A 570, A15 (2014)
Context: Star formation efficiency (SFE) theories are currently based on statistical distributions of turbulent cloud structures and a simple model of star formation from cores. They remain poorly tested, especially at the highest densities. Aims: We
Externí odkaz:
http://arxiv.org/abs/1404.4843
Previous SiO maps of the innermost regions of HH212 set strong constraints on the structure and origin of this jet. They rule out a fast wide-angle wind, and tentatively favor a magneto-centrifugal disk wind launched out to 0.6 AU. We aim to assess t
Externí odkaz:
http://arxiv.org/abs/1211.1258
Autor:
Dutrey, Anne, Wakelam, Valentine, Boehler, Yann, Guilloteau, Stéphane, Hersant, Franck, Semenov, Dmitry, Chapillon, Edwige, Henning, Thomas, Piétu, Vincent, Launhardt, Ralf, Gueth, Frederic, Schreyer, Katharina
We study the content in S-bearing molecules of protoplanetary disks around low-mass stars. We used the new IRAM 30-m receiver EMIR to perform simultaneous observations of the $1_{10}-1_{01}$ line of H$_2$S at 168.8 GHz and $2_{23}-1_{12}$ line of SO
Externí odkaz:
http://arxiv.org/abs/1109.5870
Previous studies have found that Vega is surrounded by an extended debris disc that is very smooth in the far infrared, but displays possible clumpiness at 850micron and dust emission peaks at 1.3mm. We reobserved Vega at 1.3mm with PdBI to constrain
Externí odkaz:
http://arxiv.org/abs/1105.2586