Zobrazeno 1 - 10
of 63
pro vyhledávání: '"Lebreuilly, U."'
Only indirect evidence of the role of magnetic braking in regulating gravitational collapse and the formation of circumstellar disks was found from observational work, such as compact disk sizes and the launching of high-velocity collimated protostel
Externí odkaz:
http://arxiv.org/abs/2403.18009
Autor:
Navarro-Almaida, D., Lebreuilly, U., Hennebelle, P., Fuente, A., Commerçon, B., Gal, R. Le, Wakelam, V., Gerin, M., Riviére-Marichalar, P., Beitia-Antero, L., Ascasibar, Y.
The first hydrostatic core (FHSC) phase is a brief stage in the protostellar evolution that is difficult to detect. Our goal is to characterize the chemical evolution of gas and dust during the formation of the FHSC. Moreover, we are interested in an
Externí odkaz:
http://arxiv.org/abs/2403.01905
Autor:
Cacciapuoti, L., Macias, E., Gupta, A., Testi, L., Miotello, A., Espaillat, C., Kuffmeier, M., van Terwisga, S., Tobin, J., Grant, S., Manara, C. F., Segura-Cox, D., Wendeborn, J., Klessen, R. S., Maury, A. J., Lebreuilly, U., Hennebelle, P., Molinari, S.
Observations of interstellar material infalling onto star- and planet-forming systems have become increasingly common thanks to recent advancements in radio interferometry. These structures replenish disks with fresh material, have the potential to s
Externí odkaz:
http://arxiv.org/abs/2311.13723
Autor:
Lebreuilly, U., Hennebelle, P., Colman, T., Maury, A., Tung, N. -D., Testi, L., Klessen, R., Molinari, S., Commerçon, B., González, M., Pacetti, E., Somigliana, A., Rosotti, G.
Protostellar disks are the product of angular momentum conservation during the protostellar collapse. Understanding their formation is crucial because they are the birthplace of planets and because their formation is tightly related to star formation
Externí odkaz:
http://arxiv.org/abs/2310.19672
Autor:
Lebreuilly, U., Hennebelle, P., Maury, A., González, M., Traficante, A., Klessen, R., Testi, L., Molinari, S.
Context. Due to the presence of magnetic fields, protostellar jets/outflows are a natural consequence of accretion onto protostars. They are expected to play an important role for star and protoplanetary disk formation. Aims. We aim to determine the
Externí odkaz:
http://arxiv.org/abs/2309.05397
Autor:
Cacciapuoti, L., Macias, E., Maury, A. J., Chandler, C. J., Sakai, N., Tychoniec, Ł., Viti, S., Natta, A., De Simone, M., Miotello, A., Codella, C., Ceccarelli, C., Podio, L., Fedele, D., Johnstone, D., Shirley, Y., Liu, B. J., Bianchi, E., Zhang, Z. E., Pineda, J., Loinard, L., Ménard, F., Lebreuilly, U., Klessen, R. S., Hennebelle, P., Molinari, S., Testi, L., Yamamoto, S.
Publikováno v:
A&A 676, A4 (2023)
Early dust grain growth in protostellar envelopes infalling on young discs has been suggested in recent studies, supporting the hypothesis that dust particles start to agglomerate already during the Class 0/I phase of young stellar objects (YSOs). If
Externí odkaz:
http://arxiv.org/abs/2306.02852
Publikováno v:
A&A 675, A38 (2023)
Context: Chondrules originate from the reprocessing of dust grains. They are key building blocks of telluric planets, yet their formation, which must happen in strongly localized regions of high temperature, remains poorly understood. Aims: We examin
Externí odkaz:
http://arxiv.org/abs/2305.16839
Autor:
Hennebelle, P., Lebreuilly, U.
Publikováno v:
A&A 674, A149 (2023)
Alfv\'en waves are fundamental magnetized modes which play an important role in the dynamics of magnetized flows such as the interstellar medium (ISM). In weakly ionised medium, their propagation critically depends on the ionisation rate but also on
Externí odkaz:
http://arxiv.org/abs/2303.09883
Autor:
Siess, L., Lebreuilly, U.
Publikováno v:
A&A 614, A99 (2018)
Most super AGB stars are expected to end their life as oxygen-neon white dwarfs rather than electron capture supernovae (ECSN). The reason is ascribed to the ability of the second dredge-up to significantly reduce the mass of the He core and of the e
Externí odkaz:
http://arxiv.org/abs/1807.04008
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