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2020天文年會
中研院天文所 國際會議廳

論文摘要

CO Observations on Galactic Outflows in Starbrust Galaxy NGC3628

[ Oral ]

Tsai, Anli (NCU); Rizzo, J. Ricardo (CSIC/INTA); Hwang, Chorng-Yuan (NCU); Chapillon Edwige (IRAM)

Starburst galaxies display intense star forming activity and eject molecular gas into the intergalactic medium through galactic outflows. This process plays a key role on galaxy evolution. NGC3628 is a nearby starburst galaxy with several kpc hot ionized outflows. We expected to see molecular gas exists in similar area of ionized outflows. The past CO observations do not detect galactic-scale molecular outflow due to its insufficient field of view and poor sensitivity. Our recent ARO CO observations detected molecular gas a few kpc above galactic disk. The limited angular resolution of those data prevents us to do a thorough study the morphology and the interaction between molecular gas and ionized gas. Right now we are using IRAM 30m CO observations with a significantly higher angular resolution to resolve the molecular gas distribution in the same area. We will present the newest results in this study.