Dr Gavin Leroy

Recent publications — 2026

  1. SLICE: Combining strong lensing and X-ray data of AC 114: Further insights into the merger scenario
    Limousin, Marceau, Beauchesne, Benjamin, Sharon, Keren, Eckert, Dominique, Mahler, Guillaume, et al.
    Jul 2026, Astronomy and Astrophysics, 711, A143 (on-line)
  2. COSMOS-Web: Galaxy Size and Surface Brightness Evolution at Rest Frame 1.22 μm Since z = 3
    Yu, Si-Yue, Faisst, Andreas L., Fang, Taotao, Toni, Greta, Moscardini, Lauro, et al.
    Jul 2026, The Astrophysical Journal, 1005, L13 (on-line)
  3. Multi-scale weak lensing detection of galaxy clusters with source redshift tomography
    Chappuis, L., Pires, S., Pratt, G. W., Leroy, G., Daurelle, A., et al.
    Jun 2026, Astronomy and Astrophysics, 710, A318 (on-line)
  4. Euclid Quick Data Release (Q1): XXVIII. The Strong Lensing Discovery Engine C ─ Finding lenses with machine learning
    Euclid Collaboration, Lines, N. E. P., Collett, T. E., Walmsley, M., Rojas, K., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A28 (on-line)
  5. Euclid Quick Data Release (Q1): XXIX. The strong-lensing discovery engine D: Double-source-plane lens candidates
    Euclid Collaboration, Li, T., Collett, T. E., Walmsley, M., Lines, N. E. P., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A29 (on-line)
  6. Euclid Quick Data Release (Q1): XXXII. From simulations to sky: Advancing machine-learning lens detection with real Euclid data
    Euclid Collaboration, Lines, N. E. P., Collett, T. E., Holloway, P., Rojas, K., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A32 (on-line)
  7. Euclid Quick Data Release (Q1): XXX. The Strong Lensing Discovery Engine E ─ Ensemble classification of strong gravitational lenses: lessons for Data Release 1
    Euclid Collaboration, Holloway, P., Verma, A., Walmsley, M., Marshall, P. J., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A30 (on-line)
  8. Euclid Quick Data Release (Q1): I. Data release overview
    Euclid Collaboration, Aussel, H., Tereno, I., Schirmer, M., Alguero, G., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A1 (on-line)
  9. Euclid Quick Data Release (Q1): III. NIR processing and data products
    Euclid Collaboration, Polenta, G., Frailis, M., Alavi, A., Appleton, P. N., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A3 (on-line)
  10. Euclid Quick Data Release (Q1): VI. From spectrograms to spectra: The SIR spectroscopic processing function
    Euclid Collaboration, Copin, Y., Fumana, M., Mancini, C., Appleton, P. N., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A6 (on-line)
  11. Euclid Quick Data Release (Q1): VIII. Exploring galaxy morphology across cosmic time through Sérsic fits
    Euclid Collaboration, Quilley, L., Damjanov, I., de Lapparent, V., Paulino-Afonso, A., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A8 (on-line)
  12. Euclid Quick Data Release (Q1): IX. First visual morphology catalogue
    Euclid Collaboration, Walmsley, M., Huertas-Company, M., Quilley, L., Masters, K. L., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A9 (on-line)
  13. Euclid Quick Data Release (Q1): V. Photometric redshifts and physical properties of galaxies through the PHZ processing function
    Euclid Collaboration, Tucci, M., Paltani, S., Hartley, W. G., Dubath, F., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A5 (on-line)
  14. Euclid Quick Data Release (Q1): X. A census of dwarf galaxies across a range of distances and environments
    Euclid Collaboration, Marleau, F. R., Habas, R., Carollo, D., Tortora, C., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A10 (on-line)
  15. Euclid Quick Data Release (Q1): XXXI. LEMON ─ LEns MOdelling with Neural networks. Automated and fast modelling of Euclid gravitational lenses with singular isothermal ellipsoid mass profile
    Euclid Collaboration, Busillo, V., Tortora, C., Metcalf, R. B., Nightingale, J. W., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A31 (on-line)
  16. Euclid Quick Data Release (Q1): II. VIS processing and data products
    Euclid Collaboration, McCracken, H. J., Benson, K., Dolding, C., Flanet, T., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A2 (on-line)
  17. Euclid Quick Data Release (Q1): XXXVI. Galaxy shapes and alignments in the cosmic web
    Euclid Collaboration, Laigle, C., Gouin, C., Sarron, F., Quilley, L., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A36 (on-line)
  18. Euclid Quick Data Release (Q1): XXIII. The average far-infrared properties of Euclid-selected star-forming galaxies
    Euclid Collaboration, Hill, R., Abghari, A., Scott, D., Bethermin, M., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A23 (on-line)
  19. Euclid Quick Data Release (Q1): XI. A first look at the fraction of bars in massive galaxies at z < 1
    Euclid Collaboration, Huertas-Company, M., Walmsley, M., Siudek, M., Iglesias-Navarro, P., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A11 (on-line)
  20. Euclid Quick Data Release (Q1): XXVI. The Strong Lensing Discovery Engine A ─ System overview and first lens sample
    Euclid Collaboration, Walmsley, M., Holloway, P., Lines, N. E. P., Rojas, K., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A26 (on-line)
  21. Euclid Quick Data Release (Q1): XV. A probabilistic classification of quenched galaxies
    Euclid Collaboration, Corcho-Caballero, P., Ascasibar, Y., Verdoes Kleijn, G., Lovell, C. C., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A15 (on-line)
  22. Euclid Quick Data Release (Q1): XXVII. The Strong Lensing Discovery Engine B ─ Early strong lens candidates from visual inspection of high-velocity dispersion galaxies
    Euclid Collaboration, Rojas, K., Collett, T. E., Acevedo Barroso, J. A., Nightingale, J. W., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A27 (on-line)
  23. Euclid Quick Data Release (Q1): XVI. Optical and near-infrared identification and classification of point-like X-ray selected sources
    Euclid Collaboration, Roster, W., Salvato, M., Buchner, J., Shirley, R., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A16 (on-line)
  24. Euclid Quick Data Release (Q1): XXXIII. The first catalogue of strong-lensing galaxy clusters
    Euclid Collaboration, Bergamini, P., Meneghetti, M., Acebron, A., Clément, B., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A33 (on-line)
  25. Euclid Quick Data Release (Q1): XXV. Hunting for luminous z > 6 galaxies in the Euclid Deep Fields ─ Forecasts and the first bright detections
    Euclid Collaboration, Allen, N., Oesch, P. A., Bowler, R. A. A., Toft, S., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A25 (on-line)
  26. Euclid Quick Data Release (Q1): XXXIV. First detections from the Euclid galaxy cluster workflow
    Euclid Collaboration, Bhargava, S., Benoist, C., Gonzalez, A. H., Maturi, M., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A34 (on-line)
  27. Euclid Quick Data Release (Q1): XXXV. The role of cosmic connectivity in shaping galaxy clusters
    Euclid Collaboration, Gouin, C., Laigle, C., Sarron, F., Bonnaire, T., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A35 (on-line)
  28. Euclid Quick Data Release (Q1): XII. Quenching precedes bulge formation in dense environments but follows it in the field
    Euclid Collaboration, Gentile, F., Daddi, E., Elbaz, D., Enia, A., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A12 (on-line)
  29. Euclid Quick Data Release (Q1): XIII. Exploring galaxy properties with a multi-modal foundation model
    Euclid Collaboration, Siudek, M., Huertas-Company, M., Smith, M. J., Martínez-Solaeche, G., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A13 (on-line)
  30. Euclid Quick Data Release (Q1): XIV. A first view of the star-forming main sequence in the Euclid Deep Fields
    Euclid Collaboration, Enia, A., Pozzetti, L., Bolzonella, M., Bisigello, L., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A14 (on-line)
  31. Euclid Quick Data Release (Q1): XVII. First Euclid statistical study of galaxy mergers and their connection to active galactic nuclei
    Euclid Collaboration, La Marca, A., Wang, L., Margalef-Bentabol, B., Gabarra, L., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A17 (on-line)
  32. Euclid Quick Data Release (Q1): XVIII. First Euclid statistical study of the active galactic nuclei contribution fraction
    Euclid Collaboration, Margalef-Bentabol, B., Wang, L., La Marca, A., Rodriguez-Gomez, V., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A18 (on-line)
  33. Euclid Quick Data Release (Q1): XIX. First study of red quasars selection
    Euclid Collaboration, Tarsitano, F., Fotopoulou, S., Banerji, M., Petley, J., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A19 (on-line)
  34. Euclid Quick Data Release (Q1): XX. The active galaxies of Euclid
    Euclid Collaboration, Matamoro Zatarain, T., Fotopoulou, S., Ricci, F., Bolzonella, M., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A20 (on-line)
  35. Euclid Quick Data Release (Q1): XXI. Active galactic nuclei identification using diffusion-based inpainting of Euclid VIS images
    Euclid Collaboration, Stevens, G., Fotopoulou, S., Bremer, M. N., Matamoro Zatarain, T., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A21 (on-line)
  36. Euclid Quick Data Release (Q1): XXII. An investigation of optically faint, red objects in the Euclid Deep Fields
    Euclid Collaboration, Girardi, G., Rodighiero, G., Bisigello, L., Enia, A., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A22 (on-line)
  37. Euclid Quick Data Release (Q1): XXIV. Extending the quest for little red dots to z < 4
    Euclid Collaboration, Bisigello, L., Rodighiero, G., Fotopoulou, S., Ricci, F., et al.
    Jun 2026, Astronomy and Astrophysics, 711, A24 (on-line)
  38. COSMOS-Web: estimating physical parameters of galaxies using Self-Organizing Maps
    Abedini, Fatemeh, Gozaliasl, Ghassem, Zonoozi, Akram Hasani, Kalantari, Atousa, Korpi-Lagg, Maarit, et al.
    May 2026, Monthly Notices of the Royal Astronomical Society, 548, stag337 (on-line)
  39. Euclid: VII. Structural-thermal-optical performance
    Euclid Collaboration, Anselmi, A., Laureijs, R., Racca, G. D., Costa, G., et al.
    May 2026, Astronomy and Astrophysics, 709, A15 (on-line)
  40. A Kiloparsec-scale Stellar Cavity in the Center of A402-BCG May Be Caused by Dynamic Interactions with an Ultramassive Black Hole
    McDonald, Michael, Khullar, Gourav, Lagattuta, David, Mahler, Guillaume, Dattathri, Shashank, et al.
    May 2026, The Astrophysical Journal, 1002, L19 (on-line)
  41. Euclid preparation: LXXXVIII. 3D reconstruction of the cosmic web with Euclid Deep spectroscopic samples
    Euclid Collaboration, Kraljic, K., Laigle, C., Balogh, M., Jablonka, P., et al.
    Apr 2026, Astronomy and Astrophysics, 708, A164 (on-line)
  42. An ultra-high-resolution map of (dark) matter
    Scognamiglio, Diana, Leroy, Gavin, Harvey, David, Massey, Richard, Rhodes, Jason, et al.
    Apr 2026, Nature Astronomy, 10, 573 (on-line)
  43. Euclid preparation: LXXIX. Using mock low surface brightness dwarf galaxies to probe Euclid Wide Survey detection capabilities
    Euclid Collaboration, Urbano, M., Duc, P.-A., Poulain, M., Nucita, A. A., et al.
    Mar 2026, Astronomy and Astrophysics, 707, A229 (on-line)
  44. Euclid: VI. NISP-P optical ghosts
    Euclid Collaboration, Paterson, K., Schirmer, M., Okumura, K., Venemans, B., et al.
    Mar 2026, Astronomy and Astrophysics, 707, A226 (on-line)
  45. Euclid preparation: LXXVII. The NISP spectroscopy channel: Ground performance and calibration
    Euclid Collaboration, Gillard, W., Maciaszek, T., Prieto, E., Grupp, F., et al.
    Mar 2026, Astronomy and Astrophysics, 707, A227 (on-line)
  46. Euclid preparation: LXXVIII. Full-shape modelling of two-point and three-point correlation functions in real space
    Euclid Collaboration, Guidi, M., Veropalumbo, A., Pugno, A., Moresco, M., et al.
    Mar 2026, Astronomy and Astrophysics, 707, A228 (on-line)
  47. Euclid preparation: LXXXI. The impact of nonparametric star formation histories on spatially resolved galaxy property estimation using synthetic Euclid images
    Euclid Collaboration, Nersesian, A., Abdurro'uf, Baes, M., Tortora, C., et al.
    Mar 2026, Astronomy and Astrophysics, 707, A231 (on-line)
  48. Euclid preparation: LXXXII. Predicting star-forming galaxy scaling relations with the spectral stacking code SpectraPyle
    Euclid Collaboration, Quai, S., Pozzetti, L., Talia, M., Mancini, C., et al.
    Mar 2026, Astronomy and Astrophysics, 707, A232 (on-line)
  49. Euclid preparation: LXXXIV. The flat-sky approximation for the clustering of Euclid's photometric galaxies
    Euclid Collaboration, Matthewson, W. L., Durrer, R., Camera, S., Tutusaus, I., et al.
    Mar 2026, Astronomy and Astrophysics, 707, A234 (on-line)
  50. Euclid preparation: LXXXIII. The impact of redshift interlopers on the two-point correlation function analysis
    Euclid Collaboration, Risso, I., Veropalumbo, A., Branchini, E., Maragliano, E., et al.
    Mar 2026, Astronomy and Astrophysics, 707, A233 (on-line)
  51. Euclid preparation: LXXXV. Toward a DR1 application of higher-order weak lensing statistics
    Euclid Collaboration, Vinciguerra, S., Bouchè, F., Martinet, N., Castiblanco, L., et al.
    Mar 2026, Astronomy and Astrophysics, 707, A235 (on-line)
  52. Euclid preparation: LXXX. Overview of Euclid infrared detector performance from ground tests
    Euclid Collaboration, Kubik, B., Barbier, R., Clemens, J., Ferriol, S., et al.
    Mar 2026, Astronomy and Astrophysics, 707, A230 (on-line)
  53. Euclid preparation: LXXXVII. Non-Gaussianity of two-point statistics likelihood: Precise analysis of the matter power spectrum distribution
    Euclid Collaboration, Bel, J., Gouyou Beauchamps, S., Baratta, P., Blot, L., et al.
    Mar 2026, Astronomy and Astrophysics, 708, A105 (on-line)
  54. Euclid preparation: LXXXVI. Cosmic Dawn Survey: Evolution of the galaxy stellar mass function across 0.2 < z ≤ 6.5 measured over 10 square degrees
    Euclid Collaboration, Zalesky, L., Weaver, J. R., McPartland, C. J. R., Murphree, G., et al.
    Mar 2026, Astronomy and Astrophysics, 708, A104 (on-line)
  55. Radiation damage to the Hubble Space Telescope during two solar cycles, and correction of charge transfer inefficiency using ArCTIc
    Massey, Richard, Kegerreis, Jacob A., Barrios, Juan Paolo Lorenzo Gerardo, Nightingale, James W., Hayes, Richard G., et al.
    Feb 2026, Monthly Notices of the Royal Astronomical Society, 546, staf2186 (on-line)
  56. COSMOS-Web galaxy groups: Evolution of red sequence and quiescent galaxy fraction
    Toni, Greta, Maturi, Matteo, Castignani, Gianluca, Moscardini, Lauro, Gozaliasl, Ghassem, et al.
    Feb 2026, Astronomy and Astrophysics, 707, A87 (on-line)

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