Zobrazeno 1 - 10
of 2 069
pro vyhledávání: '"De Simone, M."'
How does molecular complexity emerge and evolve during the process leading to the formation of a planetary system? Astrochemistry is experiencing a golden age, marked by significant advancements in the observation and understanding of the chemical pr
Externí odkaz:
http://arxiv.org/abs/2407.10882
Autor:
Podio, L., Ceccarelli, C., Codella, C., Sabatini, G., Segura-Cox, D., Balucani, N., Rimola, A., Ugliengo, P., Chandler, C. J., Sakai, N., Svoboda, B., Pineda, J., De Simone, M., Bianchi, E., Caselli, P., Isella, A., Aikawa, Y., Bouvier, M., Caux, E., Chahine, L., Charnley, S. B., Cuello, N., Dulieu, F., Evans, L., Fedele, D., Feng, S., Fontani, F., Hama, T., Hanawa, T., Herbst, E., Hirota, T., Jiménez-Serra, I., Johnstone, D., Lefloch, B., Gal, R. Le, Loinard, L., Liu, H. Baobab, López-Sepulcre, A., Maud, L. T., Maureira, M. J., Menard, F., Miotello, A., Moellenbrock, G., Nomura, H., Oba, Y., Ohashi, S., Okoda, Y., Oya, Y., Sakai, T., Shirley, Y., Testi, L., Vastel, C., Viti, S., Watanabe, N., Watanabe, Y., Zhang, Y., Zhang, Z. E., Yamamoto, S.
Publikováno v:
A&A 688, L22 (2024)
Recent observations suggest that planets formation starts early, in protostellar disks of $\le10^5$ yrs, which are characterized by strong interactions with the environment, e.g., through accretion streamers and molecular outflows. To investigate the
Externí odkaz:
http://arxiv.org/abs/2407.04813
Autor:
De Simone, M., Podio, L., Chahine, L., Codella, C., Chandler, C. J., Ceccarelli, C., Lopez-Sepulcre, A., Loinard, L., Svoboda, B., Sakai, N., Johnstone, D., Menard, F., Aikawa, Y., Bouvier, M., Sabatini, G., Miotello, A., Vastel, C., Cuello, N., Bianchi, E., Caselli, P., Caux, E., Hanawa, T., Herbst, E., Segura-Cox, D., Zhang, Z., Yamamoto, S.
Publikováno v:
A&A 686, L13 (2024)
Context. Understanding the connection between outflows, winds, accretion and disks in the inner protostellar regions is crucial for comprehending star and planet formation process. Aims. We aim to we explore the inner 300 au of the protostar IRAS 4A2
Externí odkaz:
http://arxiv.org/abs/2404.19690
Autor:
Sabatini, G., Podio, L., Codella, C., Watanabe, Y., De Simone, M., Bianchi, E., Ceccarelli, C., Chandler, C. J., Sakai, N., Svoboda, B., Testi, L., Aikawa, Y., Balucani, N., Bouvier, M., Caselli, P., Caux, E., Chahine, L., Charnley, S., Cuello, N., Dulieu, F., Evans, L., Fedele, D., Feng, S., Fontani, F., Hama, T., Hanawa, T., Herbst, E., Hirota, T., Isella, A., Jímenez-Serra, I., Johnstone, D., Lefloch, B., Gal, R. Le, Loinard, L., Liu, H. Baobab, López-Sepulcre, A., Maud, L. T., Maureira, M. J., Menard, F., Miotello, A., Moellenbrock, G., Nomura, H., Oba, Y., Ohashi, S., Okoda, Y., Oya, Y., Pineda, J., Rimola, A., Sakai, T., Segura-Cox, D., Shirley, Y., Vastel, C., Viti, S., Watanabe, N., Zhang, Y., Zhang, Z. E., Yamamoto, S.
The origin of the chemical diversity observed around low-mass protostars probably resides in the earliest history of these systems. We aim to investigate the impact of protostellar feedback on the chemistry and grain growth in the circumstellar mediu
Externí odkaz:
http://arxiv.org/abs/2403.18108
Autor:
Vastel, C., Sakai, T., Ceccarelli, C., Jiménez-Serra, I., Alves, F., Balucani, N., Bianchi, E., Bouvier, M., Caselli, P., Chandler, C. J., Charnley, S., Codella, C., De Simone, M., Dulieu, F., Evans, L., Fontani, F., Lefloch, B., Loinard, L., Menard, F., Podio, L., Sabatini, G., Sakai, N., Yamamoto, S.
iCOMs are species commonly found in the interstellar medium. They are believed to be crucial seed species for the build-up of chemical complexity in star forming regions as well as our own Solar System. Thus, understanding how their abundances evolve
Externí odkaz:
http://arxiv.org/abs/2403.07757
Autor:
Codella, C., Podio, L., De Simone, M., Ceccarelli, C., Ohashi, S., Chandler, C. J., Sakai, N., Pineda, J. E., Segura-Cox, D. M., Bianchi, E., Cuello, N., López-Sepulcre, A., Fedele, D., Caselli, P., Charnley, S., Johnstone, D., Zhang, Z. E., Maureira, M. J., Zhang, Y., Sabatini, G., Svoboda, B., Jiménez-Serra, I., Loinard, L., Mercimek, S., Murillo, N., Yamamoto, S.
The ALMA interferometer has played a key role in revealing a new component of the Sun-like star forming process: the molecular streamers, i.e. structures up to thousands of au long funneling material non-axisymmetrically to disks. In the context of t
Externí odkaz:
http://arxiv.org/abs/2402.10258
Autor:
Kadler, M., Riechers, D. A., Agarwal, J., Baczko, A. -K., Beuther, H., Bigiel, F., Birnstiel, T., Boccardi, B., Bomans, D. J., Boogaard, L., Braun, T. T., Britzen, S., Brüggen, M., Brunthaler, A., Caselli, P., Elsässer, D., von Fellenberg, S., Flock, M., Fromm, C. M., Fuhrmann, L., Hartogh, P., Hoeft, M., Keenan, R. P., Kovalev, Y., Kreckel, K., Livingston, J., Lobanov, A. P., Müller, H., Ros, E., Schilke, P., De Simone, M., Spitler, L., Ueda, T., Vardoulaki, E., Vegetti, S., Weis, K., Wendel, C., Xu, M. H., Zhao, G. -Y., Albrecht, M., Basu, A., Tjus, J. Becker, Bernhart, S., Blum, J., Bonnassieux, E., Bredendiek, C., van Delden, M., Di Gennaro, G., Enders, A., Eppel, F., Hase, H., Hoang, D., Hugentobler, U., Kaasinen, M., Krupp, N., Kun, E., Laubach, M., Lin, Y., Mannheim, K., Menten, K. M., Perkuhn, R., Pohl, N., Powell, D. M., Rezzolla, L., Ricci, L., Schinnerer, E., Schmidt, K., Schöpfel, J., Stanko, S., Stein, M., Sulzenauer, N., Taziaux, S., Tursunov, A., Walter, F., Weiss, A., Witzel, G., Wolf, S., Zensus, J. A., Mus, A., Toth, L. V., Alberdi, A., Benisty, M., Cox, P., Guirado, J. C., Johnson, M. D., Juvela, M., Neeleman, M., Pashchenko, I. N., Torres, M. A. Pérez, Perraut, K., Zajacek, M.
The Next Generation Very Large Array (ngVLA) is a planned radio interferometer providing unprecedented sensitivity at wavelengths between 21 cm and 3 mm. Its 263 antenna element array will be spatially distributed across North America to enable both
Externí odkaz:
http://arxiv.org/abs/2311.10056
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
Autor:
Mercimek, S., Podio, L., Codella, C., Chahine, L., López-Sepulcre, A., Ohashi, S., Loinard, L., Johnstone, D., Menard, F., Cuello, N., Caselli, P., Zamponi, J., Aikawa, Y., Bianchi, E., Busquet, G., Pineda, J. E., Bouvier, M., De Simone, M., Zhang, Y., Sakai, N., Chandler, C. J., Ceccarelli, C., Alves, F., Durán, A., Fedele, D., Murillo, N., Jiménez-Serra, I., Yamamoto, S.
More than 50% of solar-mass stars form in multiple systems. It is therefore crucial to investigate how multiplicity affects the star and planet formation processes at the protostellar stage. We report continuum and C$^{18}$O (2-1) observations of the
Externí odkaz:
http://arxiv.org/abs/2303.16257
Autor:
Villenave, M., Podio, L., Duchene, G., Stapelfeldt, K. R., Melis, C., Carrasco-Gonzalez, C., Gouellec, V. J. M. Le, Menard, F., De Simone, M., Chandler, C., Garufi, A., Pinte, C., Bianchi, E., Codella, C.
We present new VLA observations, between 6.8mm and 66mm, of the edge-on Class~I disk IRAS04302+2247. Observations at 6.8mm and 9.2mm lead to the detection of thermal emission from the disk, while shallow observations at the other wavelengths are used
Externí odkaz:
http://arxiv.org/abs/2302.01949