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17 p, 2.9 MB |
V. Hot methanol in the [BHB2007] 11 protobinary system; Hot corino versus shock origin
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Vastel, C. (Université de Toulouse) ;
Alves, F. (Université Grenoble Alpes) ;
Ceccarelli, Cecilia (Université Grenoble Alpes) ;
Bouvier, M. (Université Grenoble Alpes) ;
Jiménez-Serra, I. (Centro de Astrobiología (Madrid)) ;
Sakai, T. (University of Electro-Communications) ;
Caselli, P. (Max Planck Institute for Extraterrestrial Physics) ;
Evans, L. (Université de Toulouse) ;
Fontani, F. (Osservatorio Astrofisico Di Arcetri) ;
Le Gal, R. (Institute for Planetary sciences and Astrophysics) ;
Chandler, C. J. (National Radio Astronomy Observatory Socorro) ;
Svoboda, B. (National Radio Astronomy Observatory Socorro) ;
Maud, L. (ESO Supernova Planetarium & Visitor Centre) ;
Codella, Claudio (Institute for Planetary sciences and Astrophysics) ;
Sakai, N. (RIKEN) ;
López-Sepulcre, A. (Institute for Planetary sciences and Astrophysics) ;
Moellenbrock, G. (National Radio Astronomy Observatory Socorro) ;
Aikawa, Y. (The University of Tokyo) ;
Balucani, Nadia (Università degli studi di Perugia) ;
Bianchi, E. (Institute for Planetary sciences and Astrophysics) ;
Busquet, G. (Universitat de Barcelona) ;
Caux, E. (Université de Toulouse) ;
Charnley, S. (NASA Goddard Space Flight Center) ;
Cuello, N. (Institute for Planetary sciences and Astrophysics) ;
De Simone, M. (Institute for Planetary sciences and Astrophysics) ;
Dulieu, F. (CY Cergy Paris Université) ;
Durán, A. (Instituto de Radioastronomía y Astrofísica) ;
Fedele, D. (Osservatorio Astrofisico Di Arcetri) ;
Feng, S. (Xiamen University) ;
Francis, L. (University of Victoria BC) ;
Hama, T. (The University of Tokyo) ;
Hanawa, T. (Chiba University. Center for Frontier Science) ;
Herbst, E. (University of Virginia) ;
Hirota, T. (National Astronomical Observatories) ;
Imai, M. (The University of Tokyo) ;
Isella, A. (Rice University) ;
Johnstone, D. (University of Victoria BC) ;
Lefloch, B. (Institute for Planetary sciences and Astrophysics) ;
Loinard, L. (Universidad Nacional Autónoma de México. Instituto de Radioastronomía y Astrofísica) ;
Maureira, M. (Max Planck Institute for Extraterrestrial Physics) ;
Murillo, N. M. (RIKEN) ;
Mercimek, S. (Osservatorio Astrofisico Di Arcetri) ;
Mori, S. (Tohoku University) ;
Menard, F. (Institute for Planetary sciences and Astrophysics) ;
Miotello, A. (ESO Supernova Planetarium & Visitor Centre) ;
Nakatani, R. (RIKEN) ;
Nomura, H. (Chinese Academy of Sciences) ;
Oba, Y. (Hokkaido University) ;
Ohashi, S. (RIKEN) ;
Okoda, Y. (The University of Tokyo) ;
Ospina-Zamudio, J. (Institute for Planetary sciences and Astrophysics) ;
Oya, Y. (The University of Tokyo) ;
Pineda, J. E. (Max Planck Institute for Extraterrestrial Physics) ;
Podio, L. (Osservatorio Astrofisico Di Arcetri) ;
Rimola, Albert (Universitat Autònoma de Barcelona. Departament de Química) ;
Cox, D. Segura (Max Planck Institute for Extraterrestrial Physics) ;
Shirley, Y. (University of Arizona) ;
Testi, L. (Osservatorio Astrofisico Di Arcetri) ;
Viti, S. (University of Leiden) ;
Watanabe, N. (Hokkaido University) ;
Watanabe, Y. (Shibaura Institute of Technology) ;
Witzel, A. (Institute for Planetary sciences and Astrophysics) ;
Xue, C. (University of Virginia) ;
Zhang, Y. (RIKEN) ;
Zhao, B. (Max Planck Institute for Extraterrestrial Physics) ;
Yamamoto, S. (The University of Tokyo)
Aims. Methanol is a ubiquitous species commonly found in the molecular interstellar medium. It is also a crucial seed species for the build-up of chemical complexity in star forming regions. Thus, understanding how its abundance evolves during the star formation process and whether it enriches the emerging planetary system is of paramount importance. [...]
2022 -  10.1051/0004-6361/202243414
Astronomy & astrophysics, Vol. 664 (August 2022) , art. A171
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14 p, 4.7 MB |
Theoretical computations on the efficiency of acetaldehyde formation on interstellar icy grains
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Enrique-Romero, Joan (Universitat Autònoma de Barcelona. Departament de Química) ;
Ceccarelli, Cecilia (Centre National de la Recherche Scientifique. Université Grenoble Alpes. Institut de Planétologie et d'Astrophysique de Grenoble) ;
Rimola, Albert (Universitat Autònoma de Barcelona. Departament de Química) ;
Skouteris, Dimitrios (Master-Tech (Italy)) ;
Balucani, Nadia (Università di Perugia. Dipartimento di Chimica, Biologia e Biotecnologie) ;
Ugliengo, Piero (Università degli Studi di Torino. Dipartimento di Chimica)
Context: Interstellar grains are known to be important actors in the formation of interstellar molecules such as H2, water, ammonia, and methanol. It has been suggested that the so-called interstellar complex organic molecules (iCOMs) are also formed on the interstellar grain icy surfaces by the combination of radicals via reactions assumed to have an efficiency equal to unity. [...]
2021 - 10.1051/0004-6361/202141531
Astronomy & astrophysics, Vol. 655 (November 2021) , art. A9
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10 p, 3.9 MB |
Interaction of HCO+ cations with interstellar negative frains. Quantum chemical investigation and astrophysical implications
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Rimola, Albert (Universitat Autònoma de Barcelona. Departament de Química) ;
Ceccarelli, Cecilia (Centre National de la Recherche Scientifique. Université Grenoble Alpes. Institut de Planétologie et d'Astrophysique de Grenoble) ;
Balucani, Nadia (Università degli Studi di Perugia. Dipartimento di Chimica, Biologia e Biotecnologie) ;
Ugliengo, Piero (Università degli Studi di Torino. Dipartimento di Chimica and Nanostructured Interfaces and Surfaces Centre)
In cold galactic molecular clouds, dust grains are coated by icy mantles and are prevalently charged negatively, because of the capture of the electrons in the gas. The interaction of the charged grains with gaseous cations is known to neutralize them. [...]
2021 - 10.3389/fspas.2021.655405
Frontiers in Astronomy and Space Sciences, Vol. 8 (April 2021) , art. 655405
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23 p, 2.7 MB |
CosmoHub : Interactive exploration and distribution of astronomical data on Hadoop
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Tallada, Pau (Port d'Informació Científica) ;
Carretero Palacios, Jorge (Institut de Física d'Altes Energies) ;
Casals, Jordi (Port d'Informació Científica) ;
Acosta-Silva, Carlos (Institut de Física d'Altes Energies) ;
Serrano, Santiago (Institut d'Estudis Espacials de Catalunya) ;
Caubet, Marc (Port d'Informació Científica) ;
Castander, Francisco Javier (Institut d'Estudis Espacials de Catalunya) ;
César Galobardes, Eduardo (Universitat Autònoma de Barcelona. Departament d'Arquitectura de Computadors i Sistemes Operatius) ;
Crocce, Martín (Institut d'Estudis Espacials de Catalunya) ;
Delfino, Manuel (Institut de Física d'Altes Energies) ;
Eriksen, Martin (Institut de Física d'Altes Energies) ;
Fosalba, Pablo (Institut d'Estudis Espacials de Catalunya) ;
Gaztañaga, Enrique (Institut d'Estudis Espacials de Catalunya) ;
Merino, Gonzalo (Institut de Física d'Altes Energies) ;
Neissner, Christian (Institut de Física d'Altes Energies) ;
Tonello, Nadia (Barcelona Supercomputing Center)
We present CosmoHub (https://cosmohub. pic. es), a web application based on Hadoop to perform interactive exploration and distribution of massive cosmological datasets. Recent Cosmology seeks to unveil the nature of both dark matter and dark energy mapping the large-scale structure of the Universe, through the analysis of massive amounts of astronomical data, progressively increasing during the last (and future) decades with the digitization and automation of the experimental techniques. [...]
2020 - 10.1016/j.ascom.2020.100391
Astronomy and computing, Vol. 32 (July 2020) , art. 100391
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