A. M. Ghez

13.2k total citations · 7 hit papers
197 papers, 7.4k citations indexed

About

A. M. Ghez is a scholar working on Astronomy and Astrophysics, Instrumentation and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, A. M. Ghez has authored 197 papers receiving a total of 7.4k indexed citations (citations by other indexed papers that have themselves been cited), including 181 papers in Astronomy and Astrophysics, 41 papers in Instrumentation and 39 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in A. M. Ghez's work include Stellar, planetary, and galactic studies (117 papers), Astrophysics and Star Formation Studies (74 papers) and Astrophysical Phenomena and Observations (66 papers). A. M. Ghez is often cited by papers focused on Stellar, planetary, and galactic studies (117 papers), Astrophysics and Star Formation Studies (74 papers) and Astrophysical Phenomena and Observations (66 papers). A. M. Ghez collaborates with scholars based in United States, Germany and France. A. M. Ghez's co-authors include M. Morris, E. E. Becklin, R. J. White, Jessica R. Lu, G. Neugebauer, K. Matthews, Gaspard Duchêne, K. Matthews, A. Tanner and Tuan Do and has published in prestigious journals such as Nature, Science and Proceedings of the National Academy of Sciences.

In The Last Decade

A. M. Ghez

185 papers receiving 7.2k citations

Hit Papers

5 papers align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Stellar Orbits around the Galactic Center Black Hole

2005 428 citations A. M. Ghez, Jessica R. Lu et al. The Astrophysical Journal profile →
High Proper‐Motion Stars in the Vicinity of Sagittarius A*: Evidence for a Supermassive Black Hole at the Center of Our Galaxy

1998 423 citations A. M. Ghez, M. Morris et al. The Astrophysical Journal profile →
The First Measurement of Spectral Lines in a Short-Period Star Bound to the Galaxy’s Central Black Hole: A Paradox of Youth

2003 413 citations A. M. Ghez, Gaspard Duchêne et al. The Astrophysical Journal profile →
Observational Constraints on the Formation and Evolution of Binary Stars

2001 329 citations R. J. White, A. M. Ghez The Astrophysical Journal profile →
The multiplicity of T Tauri stars in the star forming regions Taurus-Auriga and Ophiuchus-Scorpius: A 2.2 micron speckle imaging survey

1993 321 citations A. M. Ghez, K. Matthews et al. The Astronomical Journal profile →
Measuring Distance And Properties Of The Milky Way's Central Supermassive Black Hole With Stellar Orbits

2016 255 citations A. M. Ghez profile →
Testing General Relativity with Stellar Orbits around the Supermassive Black Hole in Our Galactic Center

2017 110 citations Aurélien Hees, Tuan Do et al. Physical Review Letters profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
A. M. Ghez United States	46	7.2k	1.1k	831	638	631	197	7.4k
E. E. Becklin United States	45	7.1k 1.0×	1.1k 0.9×	1.1k 1.3×	558 0.9×	697 1.1×	241	7.4k
A. Eckart Germany	45	8.0k 1.1×	2.2k 1.9×	907 1.1×	681 1.1×	176 0.3×	383	8.3k
Geoffrey C. Clayton United States	33	10.1k 1.4×	1.1k 1.0×	2.6k 3.1×	375 0.6×	389 0.6×	174	10.4k
K. Horne United Kingdom	42	6.7k 0.9×	1.1k 1.0×	948 1.1×	371 0.6×	135 0.2×	239	6.9k
J. E. Pringle Russia	43	8.3k 1.2×	735 0.6×	413 0.5×	185 0.3×	1.1k 1.7×	127	8.5k
G. P. Garmire United States	55	9.5k 1.3×	3.6k 3.2×	899 1.1×	423 0.7×	198 0.3×	281	10.0k
Marcia Rieke United States	46	6.8k 0.9×	758 0.7×	2.3k 2.8×	376 0.6×	350 0.6×	191	7.0k
Andreas Burkert Germany	57	10.0k 1.4×	1.8k 1.6×	2.7k 3.3×	388 0.6×	454 0.7×	270	10.4k
K. J. Johnston United States	32	3.7k 0.5×	1.1k 1.0×	551 0.7×	632 1.0×	388 0.6×	289	4.1k
P. M. W. Kalberla Germany	27	7.2k 1.0×	2.6k 2.3×	548 0.7×	164 0.3×	145 0.2×	79	7.4k

Countries citing papers authored by A. M. Ghez

Since Specialization

Citations

This map shows the geographic impact of A. M. Ghez's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by A. M. Ghez with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites A. M. Ghez more than expected).

Fields of papers citing papers by A. M. Ghez

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by A. M. Ghez. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by A. M. Ghez. The network helps show where A. M. Ghez may publish in the future.

Co-authorship network of co-authors of A. M. Ghez

This figure shows the co-authorship network connecting the top 25 collaborators of A. M. Ghez. A scholar is included among the top collaborators of A. M. Ghez based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with A. M. Ghez. A. M. Ghez is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Do, Tuan, Gregory D. Martinez, A. M. Ghez, et al.. (2024). New Evidence for a Flux-independent Spectral Index of Sgr A* in the Near-infrared. The Astrophysical Journal. 977(2). 228–228. 3 indexed citations

Do, Tuan, A. M. Ghez, Devin S. Chu, et al.. (2024). An Estimate of the Binary Star Fraction among Young Stars at the Galactic Center: Possible Evidence of a Radial Dependence. The Astrophysical Journal. 964(2). 164–164. 5 indexed citations

Morris, M., et al.. (2023). High-resolution, Mid-infrared Color Temperature Mapping of the Central 10″ of the Galaxy. The Astronomical Journal. 167(1). 41–41. 3 indexed citations

Schödel, R., F. Nogueras-Lara, Matthew W. Hosek, et al.. (2023). The formation history of our Galaxy’s nuclear stellar disc constrained from HST observations of the Quintuplet field. Astronomy and Astrophysics. 672. L8–L8. 13 indexed citations

Chu, Devin S., Tuan Do, A. M. Ghez, et al.. (2023). Evidence of a Decreased Binary Fraction for Massive Stars within 20 milliparsecs of the Supermassive Black Hole at the Galactic Center. The Astrophysical Journal. 948(2). 94–94. 11 indexed citations

Lu, Jessica R., Devin S. Chu, Matthew W. Hosek, et al.. (2023). Stellar Populations in the Central 0.5 pc of Our Galaxy. III. The Dynamical Substructures. The Astrophysical Journal. 949(1). 18–18. 11 indexed citations

Hees, Aurélien, Tuan Do, B. M. Roberts, et al.. (2020). Search for a Variation of the Fine Structure Constant around the Supermassive Black Hole in Our Galactic Center. Physical Review Letters. 124(8). 81101–81101. 33 indexed citations

Martinez, Gregory D., Aurélien Hees, A. M. Ghez, et al.. (2019). Improving Orbit Estimates for Incomplete Orbits with a New Approach to Priors: with Applications from Black Holes to Planets. The Astronomical Journal. 158(1). 4–4. 19 indexed citations

Naoz, Smadar, A. M. Ghez, Aurélien Hees, et al.. (2018). Confusing Binaries: The Role of Stellar Binaries in Biasing Disk Properties in the Galactic Center. The Astrophysical Journal Letters. 853(2). L24–L24. 20 indexed citations

10.

Witzel, Gunther, Breann Sitarski, A. M. Ghez, et al.. (2017). The Post-periapsis Evolution of Galactic Center Source G1: The Second Case of a Resolved Tidal Interaction with a Supermassive Black Hole. eScholarship (California Digital Library). 29 indexed citations

11.

Chappell, Samantha, A. M. Ghez, Tuan Do, et al.. (2016). The late-type stellar density profile in the Galactic Center: A statistical approach. eScholarship (California Digital Library). 1 indexed citations

12.

Sitarski, Breann, A. M. Ghez, M. Morris, et al.. (2015). Galactic Center Source G1 and other G2-like Sources. AAS. 225. 1 indexed citations

13.

Sitarski, Breann, Tuan Do, Gunther Witzel, et al.. (2014). Is G2 Alone? Other Infrared Sources in the Central 0.04 Parsecs of the Galactic Center. 223. 1 indexed citations

14.

Witzel, Gunther, A. M. Ghez, M. Morris, et al.. (2014). DETECTION OF GALACTIC CENTER SOURCE G2 AT 3.8 μm DURING PERIAPSE PASSAGE. The Astrophysical Journal Letters. 796(1). L8–L8. 60 indexed citations

15.

Ghez, A. M.. (2008). Stellar Orbits at the Galactic Center: Lessons on Ro and Star Formation in Extreme Environments. 212. 1 indexed citations

16.

Duchêne, Gaspard, et al.. (2006). Accurate stellar masses in the multiple system T Tauri. Springer Link (Chiba Institute of Technology). 22 indexed citations

17.

Macintosh, Bruce, James R. Graham, A. M. Ghez, et al.. (2002). Extreme Adaptive Optics Planet Imager. AAS. 201. 1 indexed citations

18.

Cotera, A., M. Morris, A. M. Ghez, et al.. (1999). Mid-Infrared Imaging of the Central Parsec with Keck. ASPC. 186. 240. 3 indexed citations

19.

Larkin, James, et al.. (1998). GRB980329 Keck K-band observations. GRB Coordinates Network. 51. 1. 1 indexed citations

20.

Patience, J., A. M. Ghez, R. J. White, et al.. (1998). A High-Resolution Search for Stellar Companions to Stars with Planets. AAS. 193. 1 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact