천문학논총 (Publications of The Korean Astronomical Society)

  • 제33권2호
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  • Pages.21-30
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  • 2018
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  • 1225-1534(pISSN)
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  • 2287-6936(eISSN)
한국천문학회 (The Korean Astronomical Society)
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RECENT PROGRESS IN HIGH-MASS STAR-FORMATION STUDIES WITH ALMA

  • Hirota, Tomoya (Mizusawa VLBI Observatory, National Astronomical Observatory of Japan)
  • 투고 : 2018.05.01
  • 심사 : 2018.06.27
  • 발행 : 2018.09.30
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초록

Formation processes of high-mass stars have been long-standing issues in astronomy and astrophysics. This is mainly because of major difficulties in observational studies such as a smaller number of high-mass young stellar objects (YSOs), larger distances, and more complex structures in young high-mass clusters compared with nearby low-mass isolated star-forming regions (SFRs), and extremely large opacity of interstellar dust except for centimeter to submillimeter wavelengths. High resolution and high sensitivity observations with Atacama Large Millimeter/Submillimeter Array (ALMA) at millimeter/submillimeter wavelengths will overcome these observational difficulties even for statistical studies with increasing number of high-mass YSO samples. This review will summarize recent progresses in high-mass star-formation studies with ALMA such as clumps and filaments in giant molecular cloud complexes and infrared dark clouds (IRDCs), protostellar disks and outflows in dense cores, chemistry, masers, and accretion bursts in high-mass SFRs.

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