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Higuchi, Bertrand Lefloch, Cecilia Ceccarelli, Charlotte Vastel, Claudine Kahane, Emmanuel Caux, Nami Sakai, Satoshi Yamamoto, Takeshi Sakai, Tomoya Hirota, Yoko Oya, Yoshimasa Watanabe, Yuri Aikawa","submitted_at":"2017-03-10T12:25:32Z","abstract_excerpt":"The Class 0 protostar, L483, has been observed in various molecular lines in the 1.2 mm band at a sub-arcsecond resolution with ALMA. An infalling-rotating envelope is traced by the CS line, while a very compact component with a broad velocity width is observed for the CS, SO, HNCO, NH$_2$CHO, and HCOOCH$_3$ lines. Although this source is regarded as the warm carbon-chain chemistry (WCCC) candidate source at a 1000 au scale, complex organic molecules characteristic of hot corinos such as NH$_2$CHO and HCOOCH$_3$ are detected in the vicinity of the protostar. 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