Alexander Ji

Assistant Professor

University of Chicago

United States

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About

Dr. Alexander Ji is an Assistant Professor at the University of Chicago, USA. His research focuses on the chemical composition and evolutionary history of dwarf galaxies, exploring topics such as star clusters, chemical diversity, and the origins of r-process elements in the universe. His recent articles investigate the characteristics of primordial star clusters, abundance analysis in ultrafaint dwarf galaxies, and the role of extragalactic stars in chemical enrichment.

Articles (20)

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2024

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2023

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2023

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2023

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2023

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2023

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2022

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2022

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2022

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2022

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2022

Collaborators (14)

Yuan-Sen Ting

Associate Professor (tenured)

Australian National University

AUSTRALIA

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Brian O'Shea

Professor

Michigan State University

UNITED STATES

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Gary Da Costa

Professor

Australian National University

AUSTRALIA

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Geraint F Lewis

University of Sydney

AUSTRALIA

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Keith Bechtol

Assistant Professor

University of Wisconsin-Madison

UNITED STATES

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Ian Roederer

Associate Professor

North Carolina State University

UNITED STATES

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Anirudh Chiti

Stanford University

UNITED STATES

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Vasily Belokurov

University of Cambridge

UNITED KINGDOM

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Andrew B Pace

Carnegie Mellon University

UNITED STATES

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Jorge Peñarrubia

Professor

European Southern Observatory

UNITED KINGDOM

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Vinicius Placco

US National Gemini Office Head

UNITED STATES

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D Erkal

University of Surrey

UNITED KINGDOM

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Anna Frebel

Associate Professor

Massachusetts Institute of Technology

UNITED STATES

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Sergey Koposov

Reader in Observational Astronomy

University of Edinburgh

UNITED KINGDOM

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Alexander Ji

Research Interests

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About

Articles (20)

Multiple populations and a CH star found in the 300S globular cluster stellar stream

Enrichment by extragalactic first stars in the Large Magellanic Cloud

The R-Process Alliance: detailed chemical composition of an r-process enhanced star with UV and optical spectroscopy

Extending the chemical reach of the H3 survey: detailed abundances of the dwarf-galaxy stellar stream Wukong/LMS-1

Eridanus III and DELVE 1: Carbon-rich Primordial Star Clusters or the Smallest Dwarf Galaxies?*

The Rise of the r-process in the Gaia-Sausage/Enceladus Dwarf Galaxy ∗

LAMOST J1010+2358 is not a Pair-Instability Supernova Relic

Chemical Diversity on Small Scales: Abundance Analysis of the Tucana V Ultrafaint Dwarf Galaxy

A Population of Short-duration Gamma-Ray Bursts with Dwarf Host Galaxies

Reading between the (Spectral) Lines: Magellan/IMACS Spectroscopy of the Ultrafaint Dwarf Galaxies Eridanus IV and Centaurus I

S 5: Probing the Milky Way and Magellanic Clouds potentials with the 6D map of the Orphan–Chenab stream

Metal Mixing in the r-process Enhanced Ultrafaint Dwarf Galaxy Reticulum II*

Detailed Chemical Abundances of Stars in the Outskirts of the Tucana II Ultrafaint Dwarf Galaxy*

Timing the r-process Enrichment of the Ultra-faint Dwarf Galaxy Reticulum II

Chemical abundances of the Typhon stellar stream

The effect of the deforming dark matter haloes of the Milky Way and the Large Magellanic Cloud on the Orphan–Chenab stream

Magellan/IMACS Spectroscopy of Grus I: A Low Metallicity Ultra-faint Dwarf Galaxy*

The chemical abundance pattern of the extremely metal-poor thin disc star 2MASS J1808−5104 and its origins

Possibilities and Limitations of Kinematically Identifying Stars from Accreted Ultra-faint Dwarf Galaxies

Public Release of A-SLOTH: Ancient Stars and Local Observables by Tracing Halos

Collaborators (14)

Yuan-Sen Ting

Brian O'Shea

Gary Da Costa

Geraint F Lewis

Keith Bechtol

Ian Roederer

Anirudh Chiti

Vasily Belokurov

Andrew B Pace

Jorge Peñarrubia

Vinicius Placco

D Erkal

Anna Frebel

Sergey Koposov

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