João Calhau

Physics and Astronomy · Physical Sciences

17h-index1.1kcitations40works5.32yr avg
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Research Topics

Galaxies: Formation, Evolution, Phenomena(33), Astronomy and Astrophysical Research(26), Gamma-ray bursts and supernovae(11), Stellar, planetary, and galactic studies(10), Astrophysics and Star Formation Studies(8)

Publications40 total

Euclid Quick Data Release (Q1): Euclid spectroscopy of QSOs. 1. Identification and redshift determination of 3500 bright QSOs
ArXiv.org·2025Open Access
Euclid Quick Data Release (Q1). The active galaxies of Euclid
Astronomy and Astrophysics·2025Open Access
Euclid Quick Data Release (Q1). The active galaxies of Euclid
arXiv (Cornell University)·2025Open Access
The Large Early Galaxy Astrophysics Census (LEGA-C) Data Release 2: Dynamical and Stellar Population Properties of z ≲ 1 Galaxies in the COSMOS Field
Lancaster EPrints (Lancaster University)·2024· 21 citedOpen Access
The PAU survey: classifying low-z SEDs using Machine Learning clustering
Monthly Notices of the Royal Astronomical Society·2023· 1 citedOpen Access
Discovery of Faint Double-peak Hα Emission in the Halo of Low Redshift Galaxies
The Astrophysical Journal·2022· 4 citedOpen Access
(Re)Solving reionization with Lyα: how bright Lyα Emitters account for the <i>z</i> ≈ 2–8 cosmic ionizing background
Monthly Notices of the Royal Astronomical Society·2022· 66 citedOpen Access
The synchrony of production and escape: half the bright Lyα emitters at <i>z</i> ≈ 2 have Lyman continuum escape fractions ≈50
Monthly Notices of the Royal Astronomical Society·2021· 127 citedOpen Access
(Re)Solving Reionization with Ly{\alpha}: How Bright Ly{\alpha} Emitters account for the $z\approx2-8$ Cosmic Ionizing Background
arXiv (Cornell University)·2021Open Access
The Synchrony of Production & Escape: Half the Bright Ly$\alpha$ Emitters at $z\approx2$ have Lyman Continuum Escape Fractions $\approx50\%$
arXiv (Cornell University)·2021· 1 citedOpen Access
The Large Early Galaxy Astrophysics Census (LEGA-C) Data Release 3: 3000 High-quality Spectra of K <sub> s </sub>-selected Galaxies at z &gt; 0.6
The Astrophysical Journal Supplement Series·2021· 88 citedOpen Access
The Large Early Galaxy Astrophysics Census (LEGA-C) Data Release 3: 3000 High-Quality Spectra of $K_s$-selected galaxies at $z>0.6$
Lancaster EPrints (Lancaster University)·2021· 2 citedOpen Access
The X-SHOOTER Lyman α survey at <i>z</i> = 2 (XLS-<i>z</i>2) I: what makes a galaxy a Lyman α emitter?
Monthly Notices of the Royal Astronomical Society·2021· 69 citedOpen Access
The X-SHOOTER Lyman-$α$ survey at z=2 (XLS-z2) I:the panchromatic spectrum of typical Lyman-$α$ emitters
arXiv (Cornell University)·2021Open Access
The evolution of the UV luminosity and stellar mass functions of Lyman-α emitters from <i>z</i> ∼ 2 to <i>z</i> ∼ 6
Monthly Notices of the Royal Astronomical Society·2021· 13 citedOpen Access
The LEGA-C Survey Completed: Stellar Populations and Stellar Kinematics of Galaxies 7 Gyr Ago
Research at the University of Copenhagen (University of Copenhagen)·2021Open Access
The X-ray and radio activity of typical and luminous Ly α emitters from z ∼ 2 to z ∼ 6: evidence for a diverse, evolving population
Monthly Notices of the Royal Astronomical Society·2020· 19 citedOpen Access
The evolution of rest-frame UV properties, Ly α EWs, and the SFR–stellar mass relation at z ∼ 2–6 for SC4K LAEs
Monthly Notices of the Royal Astronomical Society·2020· 49 citedOpen Access
The co-evolution of star-forming galaxies and their supermassive black holes across cosmic time
University of Lancaster·2020Open Access
The clustering of typical Ly α emitters from z ∼ 2.5–6: host halo masses depend on Ly α and UV luminosities
Monthly Notices of the Royal Astronomical Society·2019· 39 citedOpen Access
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Frequent Co-authors

David Sobral(33), Jorryt Matthee(20), Ana Paulino-Afonso(16), Sérgio M. Santos(10), Arjen van der Wel(9), Caroline M. S. Straatman(9), Josha van Houdt(9), Anna Gallazzi(9), Po-Feng Wu(9), Camilla Pacifici(9), Gabriel Brammer(9), Eric F. Bell(9), Ali Ahmad Khostovan(8), Rachel Bezanson(8), Marijn Franx(8), Ivana Barišić(8), H. J. A. Röttgering(7), Michael V. Maseda(7), Adam Muzzin(7), Andra Stroe(7)