S
Satoshi Yamamoto
Researcher at University of Tokyo
Publications - 177
Citations - 5350
Satoshi Yamamoto is an academic researcher from University of Tokyo. The author has contributed to research in topics: Protostar & Molecular cloud. The author has an hindex of 40, co-authored 172 publications receiving 4638 citations.
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Journal ArticleDOI
Change in the chemical composition of infalling gas forming a disk around a protostar
Nami Sakai,Takeshi Sakai,Tomoya Hirota,Yoshimasa Watanabe,Cecilia Ceccarelli,Claudine Kahane,Sandrine Bottinelli,Sandrine Bottinelli,Emmanuel Caux,Emmanuel Caux,K. Demyk,K. Demyk,Charlotte Vastel,Charlotte Vastel,Audrey Coutens,Vianney Taquet,Nagayoshi Ohashi,Nagayoshi Ohashi,Shigehisa Takakuwa,Hsi-Wei Yen,Hsi-Wei Yen,Yuri Aikawa,Satoshi Yamamoto +22 more
TL;DR: It is reported that the unsaturated hydrocarbon molecule cyclic-C3H2 resides in the infalling rotating envelope, whereas sulphur monoxide is enhanced in the transition zone at the radius of the centrifugal barrier (100 ± 20 au), which is the radius at which the kinetic energy of the inf falling gas is converted to rotational energy.
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Infalling-Rotating Motion and Associated Chemical Change in the Envelope of IRAS 16293-2422 Source A Studied with ALMA
Yoko Oya,Nami Sakai,Ana López-Sepulcre,Yoshimasa Watanabe,Cecilia Ceccarelli,Cecilia Ceccarelli,Bertrand Lefloch,Bertrand Lefloch,Cécile Favre,Cécile Favre,Satoshi Yamamoto +10 more
TL;DR: In this article, rotational spectral line emission of OCS, CH3OH, HCOOCH3, and H2CS was analyzed toward the low-mass Class 0 protostellar source IRAS 16293-2422 Source A at a sub-arcsecond resolution (~0".6 x 0".5) with ALMA.
Journal ArticleDOI
A Chemical View of Protostellar-disk Formation in L1527
Nami Sakai,Yoko Oya,Takeshi Sakai,Yoshimasa Watanabe,Tomoya Hirota,Cecilia Ceccarelli,Cecilia Ceccarelli,Claudine Kahane,Claudine Kahane,Ana López-Sepulcre,Ana López-Sepulcre,Bertrand Lefloch,Bertrand Lefloch,Charlotte Vastel,Charlotte Vastel,Sandrine Bottinelli,Sandrine Bottinelli,Emmanuel Caux,Emmanuel Caux,Audrey Coutens,Yuri Aikawa,Shigehisa Takakuwa,Nagayoshi Ohashi,Hsi-Wei Yen,Satoshi Yamamoto +24 more
TL;DR: In this paper, the rotational line emissions of CCH, CS, H2CO, and CH3OH have been obtained toward the low-mass protostar IRAS 04368+2557 in L1527 as one of the early science projects of the Atacama Large Millimeter/submillimeter Array.
Journal ArticleDOI
Seeds Of Life In Space (SOLIS): The Organic Composition Diversity at 300–1000 au Scale in Solar-type Star-forming Regions*
Cecilia Ceccarelli,Paola Caselli,Francesco Fontani,R. Neri,Ana López-Sepulcre,Claudio Codella,Siyi Feng,Izaskun Jiménez-Serra,Izaskun Jiménez-Serra,Bertrand Lefloch,Jaime E. Pineda,Charlotte Vastel,Charlotte Vastel,Felipe O. Alves,Rafael Bachiller,Nadia Balucani,Nadia Balucani,Nadia Balucani,E. Bianchi,E. Bianchi,Luca Bizzocchi,Sandrine Bottinelli,Sandrine Bottinelli,Emmanuel Caux,Emmanuel Caux,Ana Chacón-Tanarro,R. Choudhury,Audrey Coutens,François Dulieu,Cécile Favre,Cécile Favre,P. Hily-Blant,Jonathan Holdship,Claudine Kahane,A. Jaber Al-Edhari,A. Jaber Al-Edhari,Jacob C. Laas,J. Ospina,Yoko Oya,Linda Podio,Andy Pon,Anna Punanova,D. Quénard,D. Quénard,Albert Rimola,Nami Sakai,Ian R. Sims,S. Spezzano,Vianney Taquet,Leonardo Testi,Leonardo Testi,Patrice Theulé,Piero Ugliengo,Anton Vasyunin,Serena Viti,Laurent Wiesenfeld,Satoshi Yamamoto +56 more
TL;DR: SOLIS as discussed by the authors is a large project using the IRAM-NOEMA interferometer to image the emission of several crucial organic molecules in a sample of solar-like star-forming regions in different evolutionary stages and environments.