Synthetic galaxy clusters and observations based on Dark Energy Survey Year 3 Data

T. N. Varga,D. Gruen, S. Seitz,N. MacCrann,E. Sheldon,W. G. Hartley,A. Amon,A. Choi,A. Palmese, Y. Zhang,M. R. Becker,J. McCullough, E. Rozo,E. S. Rykoff,C. To,S. Grandis,G. M. Bernstein,S. Dodelson,K. Eckert,S. Everett,R. A. Gruendl, I. Harrison, K. Herner,R. P. Rollins,I. Sevilla-Noarbe,M. A. Troxel, B. Yanny, J. Zuntz,H. T. Diehl,M. Jarvis,M. Aguena,S. Allam, J. Annis,E. Bertin,S. Bhargava,D. Brooks,A. Carnero Rosell,M. Carrasco Kind,J. Carretero,M. Costanzi,L. N. da Costa,M. E. S. Pereira,J. De Vicente,S. Desai,J. P. Dietrich,I. Ferrero,B. Flaugher, J. Garcia-Bellido,E. Gaztanaga,D. W. Gerdes,J. Gschwend, G. Gutierrez,S. R. Hinton,K. Honscheid,T. Jeltema, K. Kuehn, N. Kuropatkin,M. A. G. Maia,M. March,P. Melchior,F. Menanteau,R. Miquel,R. Morgan, J. Myles,F. Paz-Chinchon,A. A. Plazas,A. K. Romer,E. Sanchez,V. Scarpine,M. Schubnell,S. Serrano,M. Smith, M. Soares-Santos,E. Suchyta,M. E. C. Swanson,G. Tarle,D. Thomas,J. Weller

Monthly Notices of the Royal Astronomical Society（2021）

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摘要

We develop a novel data-driven method for generating synthetic optical observations of galaxy clusters. In cluster weak lensing, the interplay between analysis choices and systematic effects related to source galaxy selection, shape measurement, and photometric redshift estimation can be best characterized in end-to-end tests going from mock observations to recovered cluster masses. To create such...

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关键词

gravitational lensing: weak,galaxies: clusters: general,cosmology: observations

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