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Resolving star and planet formation with ALMA

Published online by Cambridge University Press:  13 January 2020

Per Bjerkeli ,
Daniel Harsono ,
Matthijs H. D. van der Wiel ,
Jon P. Ramsey ,
Lars E. Kristensen  and
Jes K. Jørgensen Open the ORCID record for Jes K. Jørgensen [Opens in a new window]
Per Bjerkeli
Affiliation:
Department of Space, Earth and Environment, Chalmers University of Technology, Sweden email: [email protected]
Daniel Harsono
Affiliation:
Leiden Observatory, Leiden University, The Netherlands
Matthijs H. D. van der Wiel
Affiliation:
ASTRON, the Netherlands Institute for Radio Astronomy, The Netherlands
Jon P. Ramsey
Affiliation:
Department of Astronomy, University of Virginia, United States
Lars E. Kristensen
Affiliation:
Centre for Star and Planet Formation, Niels Bohr Institute & Natural History Museum of Denmark, University of Copenhagen, Denmark
Jes K. Jørgensen
Affiliation:
Centre for Star and Planet Formation, Niels Bohr Institute & Natural History Museum of Denmark, University of Copenhagen, Denmark
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Abstract

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Disks around young stars are the sites of planet formation. As such, the physical and chemical structure of disks have a direct impact on the formation of planetary bodies. Outflowing winds remove angular momentum and mass and affect the disk structure and therefore potentially planet formation. Until very recently, we have lacked the facilities to provide the necessary observational tools to peer into the wind launching and planet forming regions of the young disks. Within the framework of the Resolving star formation with ALMA program, young protostellar systems are targeted with ALMA to resolve the disk formation, outflow launching and planet formation. This contribution presents the first results of the program. The first resolved images of outflow launching from a disk were recently reported towards the Class I source TMC1A (Bjerkeli et al. 2016) where we also present early evidence of grain growth (Harsono et al. 2018).

Keywords

ISM: jets and outflowsProtoplanetary disksStars: windsoutflowsStars: formation
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium S345: Origins: From the Protosun to the First Steps of Life , August 2018 , pp. 106 - 110
Copyright
© International Astronomical Union 2020 

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