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ALMA Observations of a High-density Core in Taurus: Dynamical Gas Interaction at the Possible Site of a Multiple Star Formation

  • Kazuki Tokuda (a1), Toshikazu Onishi (a1), Kazuya Saigo (a1), Akiko Kawamura (a2), Yasuo Fukui (a3), Tomoaki Matsumoto (a4), Shu-ichiro Inutsuka (a3), Masahiro N. Machida (a5), Kengo Tomida (a6) (a7) and Kengo Tachihara (a3)...

Abstract

It is crucially important to observe dense cores in order to investigate the initial condition of star formation since protostars are formed via dynamical collapse of dense cores, inhering the physical properties from their natal dense cores. Here we present the results of ALMA Cycle 0 and Cycle 1 observations of dust continuum emission and molecular rotational lines toward a dense core, MC27 (aka L1521F), which is considered to be very close to the first protostellar core phase. We revealed the spatial/velocity structures of the core are very complex and and suggest that the star formation is highly dynamical.

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References

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