Zobrazeno 1 - 10
of 275
pro vyhledávání: '"Nomura, Hideko"'
Autor:
Yoshida, Tomohiro C., Nomura, Hideko, Law, Charles J., Teague, Richard, Shibaike, Yuhito, Furuya, Kenji, Tsukagoshi, Takashi
Gas giant planets are formed by gas accretion onto planetary cores in protoplanetary disks. However, direct evidence of this process is still lacking, limiting our understanding of planetary formation processes. During mass accretion, planet-driven o
Externí odkaz:
http://arxiv.org/abs/2407.14395
The chemical complexity in low-metallicity hot cores has been confirmed by observations. We investigate the effect of varying physical parameters, such as temperature, density and the cosmic ray ionisation rate (CRIR), on the molecular abundance evol
Externí odkaz:
http://arxiv.org/abs/2407.06791
Recent high-resolution and sensitivity ALMA observations have unveiled the carbon isotope ratios ($^{12}$C/$^{13}$C) of Complex Organic Molecules (COMs) in a low-mass protostellar source. To understand the $^{12}$C/$^{13}$C ratios of COMs, we investi
Externí odkaz:
http://arxiv.org/abs/2406.02961
Autor:
Chahine, Layal, Ceccarelli, Cecilia, De Simone, Marta, Chandler, Claire J., Codella, Claudio, Podio, Linda, López-Sepulcre, Ana, Sakai, Nami, Loinard, Laurent, Bouvier, Mathilde, Caselli, Paola, Vastel, Charlotte, Bianchi, Eleonora, Cuello, Nicolás, Fontani, Francesco, Johnstone, Doug, Sabatini, Giovanni, Hanawa, Tomoyuki, Zhang, Ziwei E., Aikawa, Yuri, Busquet, Gemma, Caux, Emmanuel, Durán, Aurore, Herbst, Eric, Ménard, François, Segura-Cox, Dominique, Svodoba, Brian, Balucani, Nadia, Charnley, Steven, Dulieu, François, Evans, Lucy, Fedele, Davide, Feng, Siyi, Hama, Tetsuya, Hirota, Tomoya, Isella, Andrea, Jímenez-Serra, Izaskun, Lefloch, Bertrand, Maud, Luke T., Maureira, María José, Miotello, Anna, Moellenbrock, George, Nomura, Hideko, Oba, Yasuhiro, Ohashi, Satoshi, Okoda, Yuki, Oya, Yoko, Pineda, Jaime, Rimola, Albert, Sakai, Takeshi, Shirley, Yancy, Testi, Leonardo, Viti, Serena, Watanabe, Naoki, Watanabe, Yoshimasa, Zhang, Yichen, Yamamoto, Satoshi
The exploration of outflows in protobinary systems presents a challenging yet crucial endeavour, offering valuable insights into the dynamic interplay between protostars and their evolution. In this study, we examine the morphology and dynamics of je
Externí odkaz:
http://arxiv.org/abs/2405.12735
Autor:
Yamaguchi, Masayuki, Muto, Takayuki, Tsukagoshi, Takashi, Nomura, Hideko, Hirano, Naomi, Nakazato, Takeshi, Ikeda, Shiro, Tamura, Motohide, Kawabe, Ryohei
In the past decade, ALMA observations of protoplanetary disks revealed various substructures including gaps and rings. Their origin may be probed through statistical studies on the physical properties of the substructures. We present the analyses of
Externí odkaz:
http://arxiv.org/abs/2404.13570
Carbon isotope fractionation of CO has been reported in the disk around TW Hya,where elemental carbon is more abundant than elemental oxygen ([C/O]$_{\rm elem}$> 1). We investigated the effects of the [C/O]$_{\rm elem}$ ratio on carbon fractionation
Externí odkaz:
http://arxiv.org/abs/2404.01635
Autor:
Yoshida, Tomohiro C., Nomura, Hideko, Furuya, Kenji, Teague, Richard, Law, Charles J., Tsukagoshi, Takashi, Lee, Seokho, Rab, Christian, Öberg, Karin I., Loomis, Ryan A.
Recent measurements of carbon isotope ratios in both protoplanetary disks and exoplanet atmospheres have suggested a possible transfer of significant carbon isotope fractionation from disks to planets. For a clearer understanding of the isotopic link
Externí odkaz:
http://arxiv.org/abs/2403.00626
Autor:
Booth, Alice S., Leemker, Margot, van Dishoeck, Ewine F., Evans, Lucy, Ilee, John D., Kama, Mihkel, Keyte, Luke, Law, Charles J., van der Marel, Nienke, Nomura, Hideko, Notsu, Shota, Öberg, Karin, Temmink, Milou, Walsh, Catherine
Observations of disks with the Atacama Large Millimeter/submillimeter Array (ALMA) allow us to map the chemical makeup of nearby protoplanetary disks with unprecedented spatial resolution and sensitivity. The typical outer Class II disk observed with
Externí odkaz:
http://arxiv.org/abs/2402.04001
Autor:
Booth, Alice S., Temmink, Milou, van Dishoeck, Ewine F., Evans, Lucy, Ilee, John D., Kama, Mihkel, Keyte, Luke, Law, Charles J., Leemker, Margot, van der Marel, Nienke, Nomura, Hideko, Notsu, Shota, Öberg, Karin, Walsh, Catherine
The Atacama Large Millimeter/submillimeter Array (ALMA) can probe the molecular content of planet-forming disks with unprecedented sensitivity. These observations allow us to build up an inventory of the volatiles available for forming planets and co
Externí odkaz:
http://arxiv.org/abs/2402.04002
Complex organic molecules (COMs) in protoplanetary disks are key to understanding the origin of volatiles in comets in our solar system, yet the chemistry of COMs in protoplanetary disks remains poorly understood. Here we present Atacama Large Millim
Externí odkaz:
http://arxiv.org/abs/2312.01300