L. Leroy

ORCID: 0000-0001-5873-3934
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About
Contact & Profiles
Research Areas
  • Galaxies: Formation, Evolution, Phenomena
  • Astronomy and Astrophysical Research
  • Stellar, planetary, and galactic studies
  • Astrophysics and Star Formation Studies
  • Thermal properties of materials
  • Gamma-ray bursts and supernovae
  • Nanowire Synthesis and Applications
  • Advanced Sensor and Energy Harvesting Materials

Astrophysique, Instrumentation et Modélisation
2021-2024

Université Paris Cité
2021-2024

Centre National de la Recherche Scientifique
2021-2024

CEA Paris-Saclay
2021-2024

Université Paris-Saclay
2021-2024

Commissariat à l'Énergie Atomique et aux Énergies Alternatives
2021-2024

Sorbonne Paris Cité
2021-2023

Délégation Paris 7
2021-2023

Our current understanding of the cosmic star formation history at z>3 is primarily based on UV-selected galaxies (i.e., LBGs). Recent studies H-dropouts have revealed that we may be missing a large proportion taking place in massive z>3. In this work, extend H-dropout criterion to lower masses select optically dark/faint (OFGs), order complete census between LBGs and H-dropouts. (H> 26.5 mag & [4.5] < 25 mag) combined with de-blending technique designed not only extremely dust-obscured but...

10.1051/0004-6361/202245100 article EN cc-by Astronomy and Astrophysics 2023-02-15

Compact star formation appears to be generally common in dusty star-forming galaxies (SFGs). However, its role the framework set by scaling relations galaxy evolution remains understood. In this work we follow up on sample from GOODS-ALMA 2.0 survey, an ALMA blind survey at 1.1 mm covering a continuous area of 72.42 arcmin 2 using two array configurations. We derived physical properties, such as rates, gas fractions, depletion timescales, and dust temperatures for built survey. There exists...

10.1051/0004-6361/202142352 article EN cc-by Astronomy and Astrophysics 2021-12-23

Aims . We explore the contribution of galaxies, as a function their stellar mass, to cosmic star formation history (CSFH). In order avoid uncertain extrapolations infrared luminosity function, which is often polluted by starbursts, we base our analysis on mass. Attenuation dust accounted for thanks combination deep surveys Herschel and Atacama Large Millimeter/submillimeter array (ALMA). Methods. combined first time deepest (GOODS-South, GOODS-North, COSMOS UDS) ALMA (GOODS-South) surveys....

10.1051/0004-6361/202348341 article EN cc-by Astronomy and Astrophysics 2024-10-08
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