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Postdoctoral Research Associate

Department of Astrophysical Sciences, Princeton University

Research Assistant

Department of Physics, Duke University

Doctor of Philosophy (PhD)

Duke University, North Carolina, USA

Observational Cosmology, Department of Physics

• Supervisor: Prof. Michael Troxel
• Thesis: Unfolding Structure Formation in the Dark Universe via Weak Gravitational Lensing: from Pixels to Cosmology in the Dark Energy Survey and Roman Space Telescope

Bachelor of Arts (BA)

Boston University, Massachusetts, USA

Physics & Astronomy

• Supervisor: Prof. Tereasa Brainerd
• Thesis: Satellite galaxies in the Illustris-1 simulation: anisotropic locations around relatively isolated hosts

Dark Energy Survey Year 6 Results: Weak Lensing and Galaxy Clustering Cosmological Analysis Framework

arXiv e-prints

D. Sanchez-Cid, A. Ferté, J. Blazek, S. Samuroff, A. Amon, F. Andrade-Oliveira, J. M. Coloma-Nadal, J. Muir, A. Porredon, J. Prat, N. Weaverdyck, Masaya Yamamoto et al.

Dark Energy Survey Year 6 Results: Cosmological Constraints from Galaxy Clustering and Weak Lensing

arXiv e-prints

Dark Energy Survey Collaboration

Dark Energy Survey Year 6 Results: Cosmological Constraints from Cosmic Shear

arXiv e-prints

Dark Energy Survey Collaboration (Yamamoto as co-lead)

Dark Energy Survey Year 6 Results: Photometric Data Set for Cosmology

arXiv e-prints

K. Bechtol, I. Sevilla-Noarbe, A. Drlica-Wagner, B. Yanny, R. A. Gruendl, E. Sheldon, E. S. Rykoff, J. De Vicente et al.

Dark Energy Survey Year 6 Results: Synthetic-source Injection Across the Full Survey Using BALROG

arXiv e-prints

D. Anbajagane, M. Tabbutt, J. Beas-Gonzalez, B. Yanny, S. Everett, M. R. Becker, Masaya Yamamoto, E. Legnani et al.

Dark Energy Survey Year 6 Results: Point-Spread Function Modeling

arXiv e-prints

T. Schutt, M. Jarvis, A. Roodman, A. Amon, M. R. Becker, R. A. Gruendl, Masaya Yamamoto, K. Bechtol et al.

OpenUniverse2024: A shared, simulated view of the sky for the next generation of cosmological surveys

arXiv e-prints

OpenUniverse, The LSST Dark Energy Science Collaboration, The Roman HLIS Project Infrastructure Team et al.

Dark Energy Survey Year 6 Results: Cell-based Coadds and Metadetection Weak Lensing Shape Catalogue

arXiv e-prints

Masaya Yamamoto, M. R. Becker, E. Sheldon, M. Jarvis, R. A. Gruendl, F. Menanteau, E. S. Rykoff, S. Mau et al.

Joint X-ray, kinetic Sunyaev-Zeldovich, and weak lensing measurements: toward a consensus picture of efficient gas expulsion from groups and clusters

arXiv e-prints

J. Siegel, A. Amon, I. G. McCarthy, L. Bigwood, Masaya Yamamoto et al.

The kinetic Sunyaev Zeldovich effect as a benchmark for AGN feedback models in hydrodynamical simulations: insights from DESI + ACT

arXiv e-prints

L. Bigwood, Masaya Yamamoto, J. Siegel, A. Amon, I. G. McCarthy, R. Dave, J. Salcido, M. Schaller et al.

Dark Energy Survey Year 6 Results: Redshift Calibration of the Weak Lensing Source Galaxies

arXiv e-prints

B. Yin, A. Amon, A. Campos, M. A. Troxel, W. d'Assignies, G. M. Bernstein, G. Camacho-Ciurana, S. Mau, M. R. Becker, G. Giannini, A. Alarcón, D. Gruen, J. McCullough, Masaya Yamamoto et al.

Dark Energy Survey Year 6 Results: Clustering-redshifts and importance sampling of Self-Organised-Maps n(z) realizations for 3×2pt samples

arXiv e-prints

W. d'Assignies, G. M. Bernstein, B. Yin, G. Giannini, A. Alarcon, M. Manera, C. To, Masaya Yamamoto et al.

Simulating image coaddition with the Nancy Grace Roman Space Telescope: I. Simulation methodology and general results

MNRAS, 528, 2533

C. M. Hirata, Masaya Yamamoto, K. Laliotis, E. Macbeth, M. A. Troxel, T. Zhang, A. Choi, J. Givans et al.

Simulating image coaddition with the Nancy Grace Roman Space Telescope: II. Analysis of the simulated images and implications for weak lensing

MNRAS, 528, 6680

Masaya Yamamoto, K. Laliotis, E. Macbeth, T. Zhang, C. M. Hirata, M. A. Troxel, A. Choi, J. Givans et al.

Dark Energy Survey Year 3 results: Simulation-based cosmological inference with wavelet harmonics, scattering transforms, and moments of weak lensing mass maps. Validation on simulations

Phys. Rev. D, 109, 063534

M. Gatti, N. Jeffrey, L. Whiteway, J. Williamson, B. Jain, V. Ajani, D. Anbajagane, G. Giannini, C. Zhou, A. Porredon, J. Prat, Masaya Yamamoto et al.

Simulating image coaddition with the Nancy Grace Roman Space Telescope: III. Software improvements and new linear algebra strategies

arXiv e-prints

K. Cao, C. M. Hirata, K. Laliotis, Masaya Yamamoto, E. Macbeth, M. A. Troxel

Analysis of biasing from noise from the Nancy Grace Roman Space Telescope: implications for weak lensing

arXiv e-prints

K. Laliotis, E. Macbeth, C. M. Hirata, K. Cao, Masaya Yamamoto, M. A. Troxel

Weak Gravitational Lensing Shear Estimation with Metacalibration for the Roman High-Latitude Imaging Survey

MNRAS, 519, 4241

Masaya Yamamoto, M. A. Troxel, M. Jarvis, R. Mandelbaum, C. Hirata, H. Long, A. Choi, T. Zhang

A Joint Roman Space Telescope and Rubin Observatory Synthetic Wide-Field Imaging Survey

MNRAS, 522, 2801

M. A. Troxel, C. Lin, A. Park, C. M. Hirata, R. Mandelbaum, M. Jarvis, A. Choi, J. Givans et al.

A Synthetic Roman Space Telescope High-Latitude Time-Domain Survey: Supernovae in the Deep Field

arXiv e-prints

K. X. Wang, D. Scolnic, M. A. Troxel, S. A. Rodney, B. Popovic, C. Duff, A. V. Filippenko, R. J. Foley et al.

A synthetic Roman Space Telescope High-Latitude Imaging Survey: simulation suite and the impact of wavefront errors on weak gravitational lensing

MNRAS, 501, 2044

M. A. Troxel, H. Long, C. M. Hirata, A. Choi, M. Jarvis, R. Mandelbaum, K. Wang, Masaya Yamamoto et al.

Satellite galaxies in the Illustris-1 simulation: anisotropic locations around relatively isolated hosts

MNRAS, 489, 459

T. G. Brainerd, Masaya Yamamoto