Andrea Ghez

Distinguished Professor

University of California, Los Angeles

United States

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About

Andrea Ghez is a Distinguished Professor at the University of California Los Angeles, USA. Her research focuses on the dynamics and structure of the Milky Way's Galactic Center, with recent articles exploring topics such as the near-infrared astrometric reference frame and the behavior of Sgr A*, the supermassive black hole at the center of our galaxy. Ghez's contributions to the field include investigating binary star fractions and developing high-resolution mapping techniques for understanding galactic properties.

Articles (12)

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2025

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2024

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2024

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2024

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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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UNITED STATES

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angela gardini

Instituto de Astrofísica de Andalucía

SPAIN

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Mark Morris

Distinguished Research Professor Emeritus

University of California, Los Angeles

UNITED STATES

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Andrea Ghez

Research Interests

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Articles (12)

The HST–Gaia Near-infrared Astrometric Reference Frame Near the Milky Way Galactic Center

The Galactic Center in Color: Measuring Extinction with High-proper-motion Stars

An Estimate of the Binary Star Fraction among Young Stars at the Galactic Center: Possible Evidence of a Radial Dependence

High-resolution, Mid-infrared Color Temperature Mapping of the Central 10″ of the Galaxy

New Evidence for a Flux-independent Spectral Index of Sgr A* in the Near-infrared

Near-infrared Flux Distribution of Sgr A* from 2005–2022: Evidence for an Enhanced Accretion Episode in 2019

The Orbital Eccentricities of Directly Imaged Companions Using Observable-based Priors: Implications for Population-level Distributions

Evidence of a Decreased Binary Fraction for Massive Stars within 20 milliparsecs of the Supermassive Black Hole at the Galactic Center

The formation history of our Galaxy’s nuclear stellar disc constrained from HST observations of the Quintuplet field

An Optical Distortion Solution for the Keck I OSIRIS Imager

An Updated Reference Frame for the Galactic Inner Parsec

Constraining a Companion of the Galactic Center Black Hole Sgr A*

Collaborators (7)

Jeremy Darling

Tuan Do

Jessica Lu

Robert Rich

Renate Kupke

angela gardini

Mark Morris

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