2026 Marco Ajello: Physics Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Physics	155	244	233	144	138	666	85528

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Physics

155

244

233

144

138

666

85528

Overview

Marco Ajello is affiliated with Clemson University in the United States. Their research is primarily situated within the field of Physics and Astronomy, encompassing 358 publications. Ajello's work spans several subfields, including Astronomy and Astrophysics, Nuclear and High Energy Physics, Surgery, Radiation, and Instrumentation.

The scientist's main research topics include:

Astrophysics and Cosmic Phenomena
Gamma-ray bursts and supernovae
Astrophysical Phenomena and Observations
Dark Matter and Cosmic Phenomena
Radio Astronomy Observations and Technology
Galaxies: Formation, Evolution, Phenomena
Pulsars and Gravitational Waves Research

Marco Ajello has contributed to numerous publication venues. The most frequent among these are:

The Astrophysical Journal
arXiv (Cornell University)
Monthly Notices of the Royal Astronomical Society
The Astrophysical Journal Letters
The Astrophysical Journal Supplement Series

Examples of recent papers by Ajello and collaborators include:

"The Fourth Catalog of Active Galactic Nuclei Detected by the Fermi Large Area Telescope," 2020, The Astrophysical Journal
"Fermi Large Area Telescope Fourth Source Catalog," 2020, The Astrophysical Journal Supplement Series (lead author: S. Abdollahi)
"The Third Fermi Large Area Telescope Catalog of Gamma-Ray Pulsars," 2023, The Astrophysical Journal (lead author: D. A. Smith)
"Fermi-GBM Discovery of GRB 221009A: An Extraordinarily Bright GRB from Onset to Afterglow," 2023, The Astrophysical Journal Letters (lead author: S. Lesage)
"An observational determination of the evolving extragalactic background light from the multiwavelength HST/CANDELS survey in the Fermi and CTA era," 2021, Monthly Notices of the Royal Astronomical Society (lead author: Alberto Saldana-Lopez)

Frequent co-authors in Ajello's research collaborations include:

A. Domínguez
S. Buson
N. Torres-Albà
Stefano Marchesi
R. Silver

Best Publications

The Nuclear Spectroscopic Telescope Array (NuSTAR) Mission

Fiona A. Harrison;William W. Craig;Finn E. Christensen;Charles J. Hailey

2408
Citations
THE NUCLEAR SPECTROSCOPIC TELESCOPE ARRAY (NuSTAR) HIGH-ENERGY X-RAY MISSION

Fiona A. Harrison;William W. Craig;William W. Craig;Finn E. Christensen;Charles J. Hailey

2194
Citations
FERMI LARGE AREA TELESCOPE FIRST SOURCE CATALOG

A.A. Abdo;A.A. Abdo;Markus Ackermann;Marco Ajello;A. Allafort

1906
Citations
Fermi Large Area Telescope Second Source Catalog

P. L. Nolan;A. A. Abdo;A. A. Abdo;M. Ackermann;M. Ajello

1706
Citations
Measurement of the Cosmic Ray e+ + e- spectrum from 20 GeV to 1 TeV with the Fermi Large Area Telescope.

A. A. Abdo;M. Ackermann;M. Ajello;M. Axelsson

1330
Citations
Fermi Large Area Telescope Fourth Source Catalog Data Release 2

J. Ballet;T.H. Burnett;S.W. Digel;B. Lott

1326
Citations
THE SPECTRAL ENERGY DISTRIBUTION OF FERMI BRIGHT BLAZARS

A. A. Abdo;A. A. Abdo;M. Ackermann;I. Agudo;M. Ajello

1129
Citations
The Spectral Energy Distribution of Fermi bright blazars

A. A. Abdo;M. Ackermann;M. Ajello;M. Axelsson

1112
Citations
The second catalog of active galactic nuclei detected by the Fermi Large Area Telescope

Markus Ackermann;Marco Ajello;A. Allafort;E. Antolini;E. Antolini

1057
Citations
Detection of the characteristic pion-decay signature in supernova remnants

Markus Ackermann;Marco Ajello;A. Allafort;Luca Baldini

1028
Citations
The Second Catalog of Active Galactic Nuclei Detected by the Fermi Large Area Telescope

M. Ackermann;M. Ajello;A. Allafort;E. Antolini

974
Citations
THE SECOND FERMI LARGE AREA TELESCOPE CATALOG OF GAMMA-RAY PULSARS

A. A. Abdo;A. A. Abdo;M. Ajello;A. Allafort;L. Baldini

930
Citations
Fermi-LAT observations of the diffuse γ-ray emission: implications for cosmic rays and the interstellar medium

M. Ackermann;M. Ajello;W. B. Atwood;L. Baldini

875
Citations
Introducing the CTA concept

B. S. Acharya;M. Actis;T. Aghajani;G. Agnetta

855
Citations
The spectrum of isotropic diffuse gamma-ray emission between 100 MeV and 820 GeV

M. Ackermann;M. Ajello;A. Albert

854
Citations
Measurement of Separate Cosmic-Ray Electron and Positron Spectra with the Fermi Large Area Telescope

M. Ackermann;M. Ajello;A. Allafort;W. B. Atwood

854
Citations
The spectrum of isotropic diffuse gamma-ray emission between 100 MeV and 820 GeV

M. Ackermann;M. Ajello;A. Albert;W. B. Atwood

850
Citations
The Third Catalog of Active Galactic Nuclei Detected by the Fermi Large Area Telescope

M. Ackermann;M. Ajello;W. Atwood;L. Baldini

821
Citations
The First Catalog of Active Galactic Nuclei Detected by the Fermi Large Area Telescope

A. A. Abdo;A. A. Abdo;Markus Ackermann;Marco Ajello;A. Allafort

797
Citations
The nuclear spectroscopic telescope array (NuSTAR) high-energy X-ray mission

Kristin K. Madsen;Fiona A. Harrison;Hongjun An;Steven E. Boggs

14
Citations