Visit ASIAA Homepage Registration Deadline: November 27, 2019 (Taiwan Time)
East-Asian ALMA Science Workshop 2019
February 19(Wed)-21(Fri), 2020
ASIAA, Taipei, Taiwan

Poster Presentation

The Molecular Gas Kinematics of HI Monsters

Author(s): Dawoon Kim, Aeree Chung, Min S. Yun, Daisuke Iono

Presenter: Dawoon Kim (Yonsei University)

The HI monsters are local HI-rich galaxies (z<0.08), which were identified by the ALFALFA survey. Most HI monsters appear to be normal spirals but with a much larger cool gas reservoir. Regarding their relatively low star formation activity for given cool gas fraction, one hypothesis is that the gas in monsters might be too turbulent to form stars as normal spirals. In order to verify this, we have been studying the molecular gas kinematics of 10 HI monsters using the ALMA 12CO (1-0) data. In this work, we present the results and discuss the implications.

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