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Gabriel B. Brammer

Gabriel B. Brammer

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Physics
Denmark
2026

D-Index & Metrics

Physics

D-Index
110
Citations
52183
World Ranking
1156
National Ranking
9

Research.com Recognitions

  • 2026 - Research.com Physics in Denmark Leader Award
  • 2025 - Research.com Physics in Denmark Leader Award
  • 2023 - Research.com Physics in Denmark Leader Award
  • 2022 - Research.com Physics in Denmark Leader Award

Overview

Gabriel B. Brammer is affiliated with the University of Copenhagen in Denmark and contributes extensively to the field of Physics and Astronomy. Their research spans a range of topics within this area, with a specialization in subfields such as Astronomy and Astrophysics, Instrumentation, and Atomic and Molecular Physics, and Optics.

Their recent publications highlight research on galaxy formation and evolution, astrophysical phenomena, and deep-space observations. Notable papers include:

  • A population of red candidate massive galaxies ~600 Myr after the Big Bang, 2023, Nature
  • COSMOS2020: A Panchromatic View of the Universe to z ∼ 10 from Two Complementary Catalogs, 2022, The Astrophysical Journal Supplement Series
  • Two Remarkably Luminous Galaxy Candidates at z ≈ 10-12 Revealed by JWST, 2022, The Astrophysical Journal Letters
  • Little Red Dots: An Abundant Population of Faint Active Galactic Nuclei at z ∼ 5 Revealed by the EIGER and FRESCO JWST Surveys, 2024, The Astrophysical Journal
  • UNCOVER Spectroscopy Confirms the Surprising Ubiquity of Active Galactic Nuclei in Red Sources at z > 5, 2024, The Astrophysical Journal

Gabriel B. Brammer frequently collaborates with several researchers, including:

  • Katherine E. Whitaker
  • Pascal A. Oesch
  • Joel Leja
  • Rachel Bezanson
  • John R. Weaver

The scientist publishes regularly in notable venues such as:

  • arXiv (Cornell University)
  • The Astrophysical Journal
  • The Astrophysical Journal Letters
  • Astronomy and Astrophysics
  • Monthly Notices of the Royal Astronomical Society

Their core areas of study are reflected in the primary topics they cover, including:

  • Astronomy and Astrophysical Research
  • Galaxies: Formation, Evolution, Phenomena
  • Stellar, planetary, and galactic studies
  • Gamma-ray bursts and supernovae
  • Astrophysics and Star Formation Studies
  • Adaptive optics and wavefront sensing
  • Astrophysical Phenomena and Observations

Brammer's work is characterized by a strong emphasis on the observational and instrumental study of astrophysical objects and phenomena. Their research outputs contribute to the understanding of the early universe, galaxy properties across cosmic time, and the role of active galactic nuclei in high-redshift sources.

Best Publications

  • The Astropy Project: Building an Open-science Project and Status of the v2.0 Core Package

    A. M. Price-Whelan;B. M. Sipőcz;H. M. Günther

  • EAZY: A Fast, Public Photometric Redshift Code

    Gabriel B. Brammer;Pieter G. van Dokkum;Paolo Coppi

  • The Star Formation Mass Sequence Out to z = 2.5

    Katherine E. Whitaker;Pieter G. van Dokkum;Gabriel Brammer;Marijn Franx

  • 3D-HST+CANDELS: THE EVOLUTION OF THE GALAXY SIZE–MASS DISTRIBUTION SINCE z = 3

    A. van der Wel;M. Franx;P.G. van Dokkum;R.E. Skelton

  • The Growth of Massive Galaxies Since z = 2

    Pieter G. van Dokkum;Pieter G. van Dokkum;Katherine E. Whitaker;Katherine E. Whitaker;Gabriel Brammer;Gabriel Brammer;Marijn Franx

  • THE EVOLUTION OF THE STELLAR MASS FUNCTIONS OF STAR-FORMING AND QUIESCENT GALAXIES TO z = 4 FROM THE COSMOS/UltraVISTA SURVEY*

    Adam Muzzin;Danilo Marchesini;Mauro Stefanon;Marijn Franx

  • 3D-HST WFC3-selected Photometric Catalogs in the Five CANDELS/3D-HST Fields: Photometry, Photometric Redshifts, and Stellar Masses

    Rosalind E. Skelton;Katherine E. Whitaker;Ivelina G. Momcheva;Gabriel B. Brammer

  • The 3D-HST Survey: Hubble Space Telescope WFC3/G141 grism spectra, redshifts, and emission line measurements for $\sim 100,000$ galaxies

    Ivelina G. Momcheva;Gabriel B. Brammer;Pieter G. van Dokkum;Rosalind E. Skelton

  • CONSTRAINING THE LOW-MASS SLOPE OF THE STAR FORMATION SEQUENCE AT 0.5 < z < 2.5

    Katherine E. Whitaker;Marijn Franx;Joel Leja;Pieter G. van Dokkum

  • 3D-HST: a wide-field grism spectroscopic survey with the Hubble Space Telescope

    Gabriel B. Brammer;Pieter G. Van Dokkum;Marijn Franx;Mattia Fumagalli

  • The KMOS^3D Survey: design, first results, and the evolution of galaxy kinematics from 0.7<z<2.7

    E. Wisnioski;N.M. Förster Schreiber;S. Wuyts;E. Wuyts

  • The MOSFIRE Deep Evolution Field (MOSDEF) Survey: Rest-frame Optical Spectroscopy for ~1500 H-selected Galaxies at 1.37 ? z ? 3.8

    Mariska Kriek;Alice E. Shapley;Naveen A. Reddy;Brian Siana

  • The KMOS3D survey: design, first results, and the evolution of galaxy kinematics from 0.7 ≤ z ≤ 2.7

    E. Wisnioski;N. M. Förster Schreiber;S. Wuyts;E. Wuyts

  • A Public Ks-selected Catalog in the COSMOS/UltraVISTA Field: Photometry, Photometric Redshifts and Stellar Population Parameters

    Adam Muzzin;Danilo Marchesini;Mauro Stefanon;Marijn Franx

  • A PUBLIC K-s-SELECTED CATALOG IN THE COSMOS/ULTRAVISTA FIELD: PHOTOMETRY, PHOTOMETRIC REDSHIFTS, AND STELLAR POPULATION PARAMETERS

    Adam Muzzin;Danilo Marchesini;Mauro Stefanon;Marijn Franx

  • The Frontier Fields: Survey Design

    J. M. Lotz;A. Koekemoer;D. Coe;N. Grogin

  • The number density and mass density of star-forming and quiescent galaxies at 0.4 < z < 2.2

    Gabriel B. Brammer;Katherine E. Whitaker;Pieter G. van Dokkum;Danilo Marchesini

  • THE 3D-HST SURVEY: HUBBLE SPACE TELESCOPE WFC3/G141 GRISM SPECTRA, REDSHIFTS, AND EMISSION LINE MEASUREMENTS FOR ∼100,000 GALAXIES

    Ivelina G. Momcheva;Gabriel B. Brammer;Pieter G. Van Dokkum;Rosalind E. Skelton

  • The Stellar Mass Density and Specific Star Formation Rate of the Universe at z ~ 7

    Valentino González;Ivo Labbé;Rychard J. Bouwens;Rychard J. Bouwens;Garth Illingworth

  • Constraining the Low-Mass Slope of the Star Formation Sequence at 0.5 Less than Z Less than 2.5

    Gabriel B. Brammer;Erica J. Nelson;Rosalind E. Skelton;Ivo Labbe

Frequent Co-Authors

Pieter G. van Dokkum
Pieter G. van Dokkum Yale University
Danilo Marchesini
Danilo Marchesini Tufts University
Mariska Kriek
Mariska Kriek University of California, Berkeley
Ivo Labbe
Ivo Labbe Swinburne University of Technology
David A. Wake
David A. Wake The Open University
Tommaso Treu
Tommaso Treu University of California, Los Angeles
Marijn Franx
Marijn Franx Leiden University
Michele Trenti
Michele Trenti University of Melbourne
Garth D. Illingworth
Garth D. Illingworth University of California, Santa Cruz
Adam G. Riess
Adam G. Riess Johns Hopkins University

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