William GILLARD

Identifiants chercheurs

IdHAL :

william-gillard

ORCID :

0000-0003-4744-9748

IdRef :

129220787

arXiv :

gillard_w_1

ResearcherID :

http://www.researcherid.com/rid/GQH-6424-2022

Présentation

Publications

Article dans une revue (35)

Euclid : Early Release Observations – Dwarf galaxies in the Perseus galaxy cluster F. Marleau,J.-C. Cuillandre,M. Cantiello,D. Carollo,P.-A. Ducet al. Astronomy & Astrophysics - A&A, 2025, 697, pp.A12. ⟨10.1051/0004-6361/202450799⟩ Article dans une revue insu-05059341v1
&lt;i&gt;Euclid&lt;/i&gt;: Early Release Observations – The intracluster light and intracluster globular clusters of the Perseus cluster M. Kluge,N A Hatch,M. Montes,J B Golden-Marx,A H Gonzalezet al. Astronomy & Astrophysics - A&A, 2025, 697, pp.A13. ⟨10.1051/0004-6361/202450772⟩ Article dans une revue insu-05059502v1
&lt;i&gt;Euclid&lt;/i&gt;: Early Release Observations – A glance at free-floating newborn planets in the σ Orionis cluster E L Martín,M. Žerjal,H. Bouy,D. Martin-Gonzalez,S. Muñoz Torreset al. Astronomy & Astrophysics - A&A, 2025, 697, pp.A7. ⟨10.1051/0004-6361/202450793⟩ Article dans une revue insu-05058260v1
&lt;i&gt;Euclid&lt;/i&gt;: the potential of slitless infrared spectroscopy: a &lt;i&gt;z&lt;/i&gt; = 5.4 quasar and new ultracool dwarfs E Bañados,V Le Brun,S Belladitta,I Momcheva,D Sternet al. Monthly Notices of the Royal Astronomical Society, 2025, 542 (2), pp.1088-1102. ⟨10.1093/mnras/staf1274⟩ Article dans une revue insu-05222765v1
&lt;i&gt;Euclid&lt;/i&gt;: The Early Release Observations Lens Search Experiment J A Acevedo Barroso,C M O’riordan,B. Clément,C. Tortora,T E Collettet al. Astronomy & Astrophysics - A&A, 2025, 697, pp.A14. ⟨10.1051/0004-6361/202451868⟩ Article dans une revue insu-05059537v1
Cosmological inference including massive neutrinos from the matter power spectrum: biases induced by uncertainties in the covariance matrix S. Gouyou Beauchamps,P. Baratta,S. Escoffier,W. Gillard,J. Belet al. Astronomy & Astrophysics - A&A, 2025, 693, pp.A226. ⟨10.1051/0004-6361/202347164⟩ Article dans une revue hal-04143255v1
&lt;i&gt;Euclid&lt;/i&gt;: High-precision imaging astrometry and photometry from Early Release Observations. I. Internal kinematics of NGC6397 by combining Euclid and Gaia data M. Libralato,L R Bedin,M. Griggio,D. Massari,J. Andersonet al. Astronomy & Astrophysics - A&A, 2024, 692, pp.A96. ⟨10.1051/0004-6361/202452295⟩ Article dans une revue insu-04851239v1
Euclid preparation. XIII. Forecasts for galaxy morphology with the Euclid Survey using deep generative models H. Bretonnière,M. Huertas-Company,A. Boucaud,F. Lanusse,E. Julloet al. Astronomy & Astrophysics - A&A, 2022, 657, pp.A90. ⟨10.1051/0004-6361/202141393⟩ Article dans une revue hal-03533669v1
Euclid: Searching for pair-instability supernovae with the Deep Survey T.J. Moriya,C. Inserra,M. Tanaka,E. Cappellaro,M. Della Valleet al. Astronomy & Astrophysics - A&A, 2022, 666, pp.A157. ⟨10.1051/0004-6361/202243810⟩ Article dans une revue hal-03661327v1
Euclid preparation. XV. Forecasting cosmological constraints for the Euclid and CMB joint analysis S. Ilić,N. Aghanim,C. Baccigalupi,J. R. Bermejo-Climent,G. Fabbianet al. Astronomy & Astrophysics - A&A, 2022, 657, pp.A91. ⟨10.1051/0004-6361/202141556⟩ Article dans une revue hal-03533670v1
Euclid preparation - XX. The Complete Calibration of the Color–Redshift Relation survey: LBT observations and data release R. Saglia,S. de Nicola,M. Fabricius,V. Guglielmo,J. Snigulaet al. Astron.Astrophys., 2022, 664, pp.A196. ⟨10.1051/0004-6361/202243604⟩ Article dans une revue hal-03737445v1
Euclid preparation. XVIII. The NISP photometric system M. Schirmer,K. Jahnke,G. Seidel,H. Aussel,C. Bodendorfet al. Astronomy & Astrophysics - A&A, 2022, 662, pp.A92. ⟨10.1051/0004-6361/202142897⟩ Article dans une revue hal-03613681v1
Euclid preparation. XIX. Impact of magnification on photometric galaxy clustering F. Lepori,I. Tutusaus,C. Viglione,C. Bonvin,S. Cameraet al. Astronomy & Astrophysics - A&A, 2022, 662, pp.A93. ⟨10.1051/0004-6361/202142419⟩ Article dans une revue hal-03447630v1
Euclid: Cosmological forecasts from the void size function S. Contarini,G. Verza,A. Pisani,N. Hamaus,M. Sahlénet al. Astronomy & Astrophysics - A&A, 2022, 667, pp.A162. ⟨10.1051/0004-6361/202244095⟩ Article dans une revue hal-03691899v1
Euclid preparation. XII. Optimizing the photometric sample of the Euclid survey for galaxy clustering and galaxy-galaxy lensing analyses A. Pocino,I. Tutusaus,F.J. Castander,P. Fosalba,M. Crocceet al. Astronomy & Astrophysics - A&A, 2021, 655, pp.A44. ⟨10.1051/0004-6361/202141061⟩ Article dans une revue hal-03217522v1
Euclid: Estimation of the Impact of Correlated Readout Noise for Flux Measurements with the Euclid NISP Instrument A. Jiménez Muñoz,J. Macías-Pérez,A. Secroun,W. Gillard,B. Kubiket al. Publications of the Astronomical Society of the Pacific, 2021, 133 (1027), pp.094502. ⟨10.1088/1538-3873/ac21de⟩ Article dans une revue hal-03355824v1
Euclid preparation. XI. Mean redshift determination from galaxy redshift probabilities for cosmic shear tomography O. Ilbert,S. de La Torre,N. Martinet,A. H. Wright,S. Paltaniet al. Astronomy & Astrophysics - A&A, 2021, 647, pp.A117. ⟨10.1051/0004-6361/202040237⟩ Article dans une revue hal-03174105v1
Euclid Preparation. XIV. The Complete Calibration of the Color–Redshift Relation (C3R2) Survey: Data Release 3 S. Stanford,D. Masters,B. Darvish,D. Stern,J. Cohenet al. The Astrophysical Journal Supplement, 2021, 256 (1), pp.9. ⟨10.3847/1538-4365/ac0833⟩ Article dans une revue hal-03413175v1
Euclid preparation. VII. Forecast validation for Euclid cosmological probes A. Blanchard,S. Camera,C. Carbone,V. F. Cardone,S. Casaset al. Astronomy & Astrophysics - A&A, 2020, 642, pp.A191. ⟨10.1051/0004-6361/202038071⟩ Article dans une revue hal-02976446v1
Euclid preparation. X. The Euclid photometric-redshift challenge G. Desprez,S. Paltani,J. Coupon,I. Almosallam,A. Alvarez-Ayllonet al. Astronomy & Astrophysics - A&A, 2020, 644, pp.A31. ⟨10.1051/0004-6361/202039403⟩ Article dans une revue hal-03026946v1
Euclid preparation. VI. Verifying the performance of cosmic shear experiments P. Paykari,T. Kitching,H. Hoekstra,R. Azzollini,V. F. Cardoneet al. Astronomy & Astrophysics - A&A, 2020, 635, pp.A139. ⟨10.1051/0004-6361/201936980⟩ Article dans une revue cea-02516435v1
Euclid preparation - VI. Verifying the Performance of Cosmic Shear Experiments (Corrigendum) P. Paykari,T. Kitching,H. Hoekstra,R. Azzollini,V. F. Cardoneet al. Astronomy & Astrophysics - A&A, 2020, 638, pp.C2. ⟨10.1051/0004-6361/201936980e⟩ Article dans une revue cea-02813362v1
Euclid preparation. V. Predicted yield of redshift 7 &lt; z &lt; 9 quasars from the wide survey R. Barnett,S. J. Warren,D. J. Mortlock,J.-G. Cuby,C. Conseliceet al. Astronomy & Astrophysics - A&A, 2019, 631, pp.A85. ⟨10.1051/0004-6361/201936427⟩ Article dans une revue cea-02334278v1
A New Signal Estimator from the NIR Detectors of the Euclid Mission B. Kubik,R. Barbier,E. Chabanat,A. Chapon,J.-C. Clemenset al. Publications of the Astronomical Society of the Pacific, 2016, 128 (968), pp.104504. ⟨10.1088/1538-3873/128/968/104504⟩ Article dans une revue in2p3-01388431v1
Precision Measurement of the Proton Flux in Primary Cosmic Rays from Rigidity 1 GV to 1.8 TV with the Alpha Magnetic Spectrometer on the International Space Station M. Aguilar,D. Aisa,B. Alpat,A. Alvino,G. Ambrosiet al. Physical Review Letters, 2015, 114 (17), pp.171103. ⟨10.1103/PhysRevLett.114.171103⟩ Article dans une revue in2p3-01149115v1
High Statistics Measurement of the Positron Fraction in Primary Cosmic Rays of 0.5-500 GeV with the Alpha Magnetic Spectrometer on the International Space Station L. Accardo,M. Aguilar,D. Aisa,B. Alpat,A. Alvinoet al. Physical Review Letters, 2014, 113, pp.121101. ⟨10.1103/PhysRevLett.113.121101⟩ Article dans une revue in2p3-01066019v1
Electron and Positron Fluxes in Primary Cosmic Rays Measured with the Alpha Magnetic Spectrometer on the International Space Station M. Aguilar,D. Aisa,A. Alvino,G. Ambrosi,K. Andeenet al. Physical Review Letters, 2014, 113, pp.121102. ⟨10.1103/PhysRevLett.113.121102⟩ Article dans une revue in2p3-01066028v1
First Result from the Alpha Magnetic Spectrometer on the International Space Station: Precision Measurement of the Positron Fraction in Primary Cosmic Rays of 0.5-350 GeV M. Aguilar,Giovanni Alberti,B. Alpat,A. Alvino,G. Ambrosiet al. Physical Review Letters, 2013, 110, pp.141102. ⟨10.1103/PhysRevLett.110.141102⟩ Article dans une revue in2p3-00807613v1
A statistical procedure for the identification of positrons in the PAMELA experiment O. Adriani,G.C. Barbarino,G.A. Bazilevskaya,R. Bellotti,M. Boezioet al. Astroparticle Physics, 2010, 34 (1), pp.1. ⟨10.1016/j.astropartphys.2010.04.007⟩ Article dans une revue hal-00653066v1
Positron Transport in the Interstellar Medium P. Jean,W. Gillard,Alexandre Marcowith,K. Ferrière Astronomy & Astrophysics - A&A, 2009, 508 (3), pp.1099 - 1116. ⟨10.1051/0004-6361/200809830⟩ Article dans une revue hal-00430321v1
Spatial distribution of interstellar gas in the innermost 3 kpc of our galaxy K. Ferrière,W. Gillard,P. Jean Astronomy & Astrophysics - A&A, 2007, 467, pp.611-627. ⟨10.1051/0004-6361:20066992⟩ Article dans une revue hal-00287872v1
Effects of the gas content on the Gamma-ray emission from the Galactic bulge W. Gillard,V. Lonjou,K. Ferrière,P. Jean,I. V. Moskalenkoet al. AIP Conference Proceedings, 2007, 921, pp.482-483. ⟨10.1063/1.2757412⟩ Article dans une revue hal-00288191v1
Spectral analysis of the Galactic e+e- annihilation emission P. Jean,Jürgen Knödlseder,W. Gillard,N. Guessoum,K. Ferrièreet al. Astronomy & Astrophysics - A&A, 2006, 445, pp.579-589. ⟨10.1051/0004-6361:20053765⟩ Article dans une revue hal-00287869v1
The all-sky distribution of 511 keV electron-positron annihilation emission Jürgen Knödlseder,P. Jean,V. Lonjou,G. Weidenspointner,N. Guessoumet al. 2005 Article dans une revue hal-00166098v2
The lives and deaths of positrons in the interstellar medium N. Guessoum,P. Jean,W. Gillard Astronomy & Astrophysics - A&A, 2005, 436, pp.171 Article dans une revue hal-00013254v1

Communication dans un congrès (14)

Physics on the Infinite Canvas, A new tool for popularization and pedagogy Thierry Masson,Jérôme Charles,William Gillard,Yohann Lebouazda,Elisabeth Petitet al. 2025 European Physical Society Conference on High Energy Physics (EPS-HEP2025), Jul 2025, Marseille, France. pp.611, ⟨10.22323/1.485.0611⟩ Communication dans un congrès hal-05470006v1
Euclid mission status after mission critical design R. Laureijs,G. Racca,Y. Mellier,P. Musi,L. Brouardet al. SPIE Astronomical Telescopes + Instrumentation 2020, Dec 2020, Online, United States. pp.114430F, ⟨10.1117/12.2563145⟩ Communication dans un congrès hal-03129547v1
Random telegraph signal (RTS) in the Euclid IR H2RGs Ralf Kohley,Luca Conversi,Pierre-Elie Crouzet,Paolo Strada,Rémi Barbieret al. SPIE Astronomical Telescopes + Instrumentation 2018, Jun 2018, Austin, United States. pp.107091G, ⟨10.1117/12.2312434⟩ Communication dans un congrès hal-01959777v1
Euclid flight H2RG IR detectors: per pixel conversion gain from on-ground characterization for the Euclid NISP instrument Aurélia Secroun,Jean-Claude Clémens,Anne Ealet,William Gillard,Benoît Serraet al. SPIE Astronomical Telescopes + Instrumentation 2018, Jun 2018, Austin, United States. pp.1070921, ⟨10.1117/12.2312518⟩ Communication dans un congrès hal-01959780v1
Detector chain calibration strategy for the Euclid Flight IR H2RGs Rémi Barbier,Sylvain Ferriol,Bogna Kubik,Gérard Smadja,Aurélia Secrounet al. SPIE Astronomical Telescopes + Instrumentation 2018, Jun 2018, Austin, United States. pp.107090S, ⟨10.1117/12.2311966⟩ Communication dans un congrès hal-01959781v1
Euclid Near Infrared Spectrometer and Photometer instrument description frozen at the Critical Design Review T. Maciaszek,A. Ealet,J.C. Clemens,W. Gillard,M. Niclaset al. Space Telescopes and Instrumentation, Jun 2018, Austin, Texas, United States Communication dans un congrès in2p3-02285142v1
How to test NISP instrument for EUCLID mission in laboratory A. Costille,M. Carle,C. Fabron,E. Prieto,F. Beaumontet al. Space Telescopes and Instrumentation 2016: Optical, Infrared, and Millimeter Wave, Jun 2016, Edinburgh, United Kingdom. pp.99042U, ⟨10.1117/12.2231630⟩ Communication dans un congrès in2p3-01466090v1
Euclid Near Infrared Spectrometer and Photometer instrument concept and first test results obtained for different breadboards models at the end of phase C T. Maciaszek,A. Ealet,K. Jahnke,E. Prieto,R. Barbieret al. SPIE Conference Space Telescopes and Instrumentation 2016: Optical, Infrared, and Millimeter Wave, Jun 2016, Edinburgh, United Kingdom. pp.99040T, ⟨10.1117/12.2232941⟩ Communication dans un congrès in2p3-01396843v1
Modeling effects of common molecular contaminants on the Euclid infrared detectors A. Costille,C. Fabron,E. Prieto,F. Beaumont,M. Carleet al. Space Telescopes and Instrumentation 2016: Optical, Infrared, and Millimeter Wave, Jun 2016, Edinburgh, United Kingdom. pp.99042R, ⟨10.1117/12.2233778⟩ Communication dans un congrès in2p3-01523543v1
Low noise flux estimate and data quality control monitoring in EUCLID-NISP cosmological survey B. Kubik,R. Barbier,P. Calabria,A. Castera,E. Chabanaet al. Space Telescopes and Instrumentation 2016: Optical, Infrared, and Millimeter Wave, Jun 2016, Edinburgh United Kingdom. pp.99045J, ⟨10.1117/12.2232551⟩ Communication dans un congrès in2p3-01466018v1
Characterization of Euclid-like H2RG IR detectors for the NISP instrument B. Serra,A. Secroun,J.-C. Clémens,P. Lagier,M. Niclaset al. UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts VII, Aug 2015, San Diego, California, United States. ⟨10.1117/12.2188439⟩ Communication dans un congrès in2p3-01199017v1
EUCLID detector system demonstrator model: a first demonstration of the NISP detection system J.C. Clémens,B. Serra,M. Niclas,A. Ealet,W. Gillardet al. UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XIX, Aug 2015, San Diego, United States. pp.96020Y, ⟨10.1117/12.2188581⟩ Communication dans un congrès hal-02144339v1
AMS results W. Gillard Rencontres du Vietnam. Cosmology in the Planck Era, Jul 2013, Quy Nhon, Vietnam Communication dans un congrès in2p3-00849422v1
Isotopic identification with the geomagnetic field for space experiments W. Gillard,F. Barao,L. Derome 32nd International Cosmic Ray Conference (ICRC2011), Aug 2011, Beijing, China. pp.0910 Communication dans un congrès in2p3-00614353v1

Poster de conférence (1)

High precision measurement of the AMS-RICH aerogel refractive index with cosmic ray W. Gillard 33rd International Cosmic Ray Conference (ICRC2013), Jul 2013, Rio de Janeiro, Brazil. Proceedings of the 33rd International Cosmic Rays Conference pp.icrc2013-0742, 2013 Poster de conférence in2p3-01289229v1

Pré-publication, Document de travail (2)

Jackknife resampling technique on mocks: an alternative method for covariance matrix estimation Stéphanie Escoffier,M. -C. Cousinou,A. Tilquin,A. Pisani,A. Aguichineet al. 2016 Pré-publication, Document de travail hal-02915320v1
Transport of positrons in the interstellar medium W. Gillard,P. Jean,Alexandre Marcowith,K. Ferriere 2007 Pré-publication, Document de travail hal-00430366v1

Thèse (1)

Modélisation de l'émission d'annihilation des positrons Galactiques William Gillard Astrophysique [astro-ph]. Université Paul Sabatier - Toulouse III, 2008. Français. ⟨NNT : ⟩ Thèse tel-00276275v1