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Kinematics of z ∼ 4–6 Lyman break galaxies in ALPINE

Published online by Cambridge University Press:  04 June 2020

Gareth C. Jones Open the ORCID record for Gareth C. Jones [Opens in a new window]  and
the ALPINE Collaboration
Gareth C. Jones
Affiliation:
Cavendish Laboratory, University of Cambridge, 19 J. J. Thomson Ave., CambridgeCB3 0HE, UK email: [email protected] Kavli Institute for Cosmology, University of Cambridge, Madingley Road, CambridgeCB3 0HA, UK
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Abstract

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The past century has seen massive improvements in the study of galaxy kinematics. While early work focused on single nearby galaxies, current studies with modern IFUs and interferometers (e.g., SINFONI, ALMA) allow for extension of this field to high redshift. However, the sample of galaxy observations at z > 4 that feature the sensitivity and resolution required for resolved dynamical characterization has been small. The ALMA Large Program to INvestigate CII at Early times (ALPINE) targeted 118 star-forming galaxies at z = 4–6, representing a vast increase in the sample size of potentially dynamically-characterizable sources. Using a set of diagnostic plots, we are able to characterize roughly half the sample, revealing a vast kinematic diversity and high merger rate. For the nine targets that show rotational signatures, initial tilted ring fitting with 3DBarolo shows promise. With further observations (e.g., ALMA, NOEMA, MUSE), the true nature of each source will be revealed in unprecedented detail.

Keywords

galaxies: high-redshiftgalaxies: interactionsgalaxies: kinematics and dynamics
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 15 , Symposium S352: Uncovering Early Galaxy Evolution in the ALMA and JWST Era , June 2019 , pp. 291 - 292
Copyright
© International Astronomical Union 2020

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