Dark Energy Survey Year 3: Blue Shear

Fuente: arXiv

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Hauptverfasser:	McCullough, J., Amon, A., Legnani, E., Gruen, D., Roodman, A., Friedrich, O., MacCrann, N., Becker, M. R., Myles, J., Dodelson, S., Samuroff, S., Blazek, J., Prat, J., Honscheid, K., Pieres, A., Ferté, A., Alarcon, A., Drlica-Wagner, A., Choi, A., Navarro-Alsina, A., Campos, A., Malagón, A. A. Plazas, Porredon, A., Farahi, A., Ross, A. J., Rosell, A. Carnero, Yin, B., Flaugher, B., Yanny, B., Sánchez, C., Chang, C., Davis, C., To, C., Doux, C., Brooks, D., James, D. J., Cid, D. Sanchez, Hollowood, D. L., Huterer, D., Rykoff, E. S., Gaztanaga, E., Huff, E. M., Suchyta, E., Sheldon, E., Sanchez, E., Tarsitano, F., Andrade-Oliveira, F., Castander, F. J., Bernstein, G. M., Gutierrez, G., Giannini, G., Tarle, G., Diehl, H. T., Huang, H., Harrison, I., Sevilla-Noarbe, I., Tutusaus, I., Ferrero, I., Elvin-Poole, J., Marshall, J. L., Muir, J., Weller, J., Zuntz, J., Carretero, J., DeRose, J., Frieman, J., Cordero, J., De Vicente, J., García-Bellido, J., Mena-Fernández, J., Eckert, K., Romer, A. K., Bechtol, K., Herner, K., Kuehn, K., Secco, L. F., da Costa, L. N., Paterno, M., Soares-Santos, 21 M., Gatti, M., Raveri, M., Yamamoto, M., Smith, M., Kind, M. Carrasco, Troxel, M. A., Aguena, M., Jarvis, M., Swanson, M. E. C., Weaverdyck, N., Lahav, O., Doel, P., Wiseman, P., Miquel, R., Gruendl, R. A., Cawthon, R., Allam, S., Hinton, S. R., Bridle, S. L., Bocquet, S., Desai, S., Pandey, S., Everett, S., Lee, S., Shin, T., Palmese, A., Conselice, C., Burke, D. L., Buckley-Geer, E., Lima, M., Vincenzi, M., Pereira, M. E. S., Crocce, M., Schubnell, M., Jeffrey, N., Alves, O., Vikram, V., Zhang, Y., Collaboration, DES
Format:	Preprint
Veröffentlicht:	2024
Schlagworte:	Cosmology and Nongalactic Astrophysics
Online-Zugang:	Acceder al recurso
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_version_	1866910192788045824
author	McCullough, J. Amon, A. Legnani, E. Gruen, D. Roodman, A. Friedrich, O. MacCrann, N. Becker, M. R. Myles, J. Dodelson, S. Samuroff, S. Blazek, J. Prat, J. Honscheid, K. Pieres, A. Ferté, A. Alarcon, A. Drlica-Wagner, A. Choi, A. Navarro-Alsina, A. Campos, A. Malagón, A. A. Plazas Porredon, A. Farahi, A. Ross, A. J. Rosell, A. Carnero Yin, B. Flaugher, B. Yanny, B. Sánchez, C. Chang, C. Davis, C. To, C. Doux, C. Brooks, D. James, D. J. Cid, D. Sanchez Hollowood, D. L. Huterer, D. Rykoff, E. S. Gaztanaga, E. Huff, E. M. Suchyta, E. Sheldon, E. Sanchez, E. Tarsitano, F. Andrade-Oliveira, F. Castander, F. J. Bernstein, G. M. Gutierrez, G. Giannini, G. Tarle, G. Diehl, H. T. Huang, H. Harrison, I. Sevilla-Noarbe, I. Tutusaus, I. Ferrero, I. Elvin-Poole, J. Marshall, J. L. Muir, J. Weller, J. Zuntz, J. Carretero, J. DeRose, J. Frieman, J. Cordero, J. De Vicente, J. García-Bellido, J. Mena-Fernández, J. Eckert, K. Romer, A. K. Bechtol, K. Herner, K. Kuehn, K. Secco, L. F. da Costa, L. N. Paterno, M. Soares-Santos, 21 M. Gatti, M. Raveri, M. Yamamoto, M. Smith, M. Kind, M. Carrasco Troxel, M. A. Aguena, M. Jarvis, M. Swanson, M. E. C. Weaverdyck, N. Lahav, O. Doel, P. Wiseman, P. Miquel, R. Gruendl, R. A. Cawthon, R. Allam, S. Hinton, S. R. Bridle, S. L. Bocquet, S. Desai, S. Pandey, S. Everett, S. Lee, S. Shin, T. Palmese, A. Conselice, C. Burke, D. L. Buckley-Geer, E. Lima, M. Vincenzi, M. Pereira, M. E. S. Crocce, M. Schubnell, M. Jeffrey, N. Alves, O. Vikram, V. Zhang, Y. Collaboration, DES
author_facet	McCullough, J. Amon, A. Legnani, E. Gruen, D. Roodman, A. Friedrich, O. MacCrann, N. Becker, M. R. Myles, J. Dodelson, S. Samuroff, S. Blazek, J. Prat, J. Honscheid, K. Pieres, A. Ferté, A. Alarcon, A. Drlica-Wagner, A. Choi, A. Navarro-Alsina, A. Campos, A. Malagón, A. A. Plazas Porredon, A. Farahi, A. Ross, A. J. Rosell, A. Carnero Yin, B. Flaugher, B. Yanny, B. Sánchez, C. Chang, C. Davis, C. To, C. Doux, C. Brooks, D. James, D. J. Cid, D. Sanchez Hollowood, D. L. Huterer, D. Rykoff, E. S. Gaztanaga, E. Huff, E. M. Suchyta, E. Sheldon, E. Sanchez, E. Tarsitano, F. Andrade-Oliveira, F. Castander, F. J. Bernstein, G. M. Gutierrez, G. Giannini, G. Tarle, G. Diehl, H. T. Huang, H. Harrison, I. Sevilla-Noarbe, I. Tutusaus, I. Ferrero, I. Elvin-Poole, J. Marshall, J. L. Muir, J. Weller, J. Zuntz, J. Carretero, J. DeRose, J. Frieman, J. Cordero, J. De Vicente, J. García-Bellido, J. Mena-Fernández, J. Eckert, K. Romer, A. K. Bechtol, K. Herner, K. Kuehn, K. Secco, L. F. da Costa, L. N. Paterno, M. Soares-Santos, 21 M. Gatti, M. Raveri, M. Yamamoto, M. Smith, M. Kind, M. Carrasco Troxel, M. A. Aguena, M. Jarvis, M. Swanson, M. E. C. Weaverdyck, N. Lahav, O. Doel, P. Wiseman, P. Miquel, R. Gruendl, R. A. Cawthon, R. Allam, S. Hinton, S. R. Bridle, S. L. Bocquet, S. Desai, S. Pandey, S. Everett, S. Lee, S. Shin, T. Palmese, A. Conselice, C. Burke, D. L. Buckley-Geer, E. Lima, M. Vincenzi, M. Pereira, M. E. S. Crocce, M. Schubnell, M. Jeffrey, N. Alves, O. Vikram, V. Zhang, Y. Collaboration, DES
contents	Modeling the intrinsic alignment (IA) of galaxies poses a challenge to weak lensing analyses. The Dark Energy Survey is expected to be less impacted by IA when limited to blue, star-forming galaxies. The cosmological parameter constraints from this blue cosmic shear sample are stable to IA model choice, unlike passive galaxies in the full DES Y3 sample, the goodness-of-fit is improved and the $Ω_{m}$ and $S_8$ better agree with the cosmic microwave background. Mitigating IA with sample selection, instead of flexible model choices, can reduce uncertainty in $S_8$ by a factor of 1.5.
format	Preprint
id	arxiv_https___arxiv_org_abs_2410_22272
institution	arXiv
publishDate	2024
record_format	arxiv
spellingShingle	Dark Energy Survey Year 3: Blue Shear McCullough, J. Amon, A. Legnani, E. Gruen, D. Roodman, A. Friedrich, O. MacCrann, N. Becker, M. R. Myles, J. Dodelson, S. Samuroff, S. Blazek, J. Prat, J. Honscheid, K. Pieres, A. Ferté, A. Alarcon, A. Drlica-Wagner, A. Choi, A. Navarro-Alsina, A. Campos, A. Malagón, A. A. Plazas Porredon, A. Farahi, A. Ross, A. J. Rosell, A. Carnero Yin, B. Flaugher, B. Yanny, B. Sánchez, C. Chang, C. Davis, C. To, C. Doux, C. Brooks, D. James, D. J. Cid, D. Sanchez Hollowood, D. L. Huterer, D. Rykoff, E. S. Gaztanaga, E. Huff, E. M. Suchyta, E. Sheldon, E. Sanchez, E. Tarsitano, F. Andrade-Oliveira, F. Castander, F. J. Bernstein, G. M. Gutierrez, G. Giannini, G. Tarle, G. Diehl, H. T. Huang, H. Harrison, I. Sevilla-Noarbe, I. Tutusaus, I. Ferrero, I. Elvin-Poole, J. Marshall, J. L. Muir, J. Weller, J. Zuntz, J. Carretero, J. DeRose, J. Frieman, J. Cordero, J. De Vicente, J. García-Bellido, J. Mena-Fernández, J. Eckert, K. Romer, A. K. Bechtol, K. Herner, K. Kuehn, K. Secco, L. F. da Costa, L. N. Paterno, M. Soares-Santos, 21 M. Gatti, M. Raveri, M. Yamamoto, M. Smith, M. Kind, M. Carrasco Troxel, M. A. Aguena, M. Jarvis, M. Swanson, M. E. C. Weaverdyck, N. Lahav, O. Doel, P. Wiseman, P. Miquel, R. Gruendl, R. A. Cawthon, R. Allam, S. Hinton, S. R. Bridle, S. L. Bocquet, S. Desai, S. Pandey, S. Everett, S. Lee, S. Shin, T. Palmese, A. Conselice, C. Burke, D. L. Buckley-Geer, E. Lima, M. Vincenzi, M. Pereira, M. E. S. Crocce, M. Schubnell, M. Jeffrey, N. Alves, O. Vikram, V. Zhang, Y. Collaboration, DES Cosmology and Nongalactic Astrophysics Modeling the intrinsic alignment (IA) of galaxies poses a challenge to weak lensing analyses. The Dark Energy Survey is expected to be less impacted by IA when limited to blue, star-forming galaxies. The cosmological parameter constraints from this blue cosmic shear sample are stable to IA model choice, unlike passive galaxies in the full DES Y3 sample, the goodness-of-fit is improved and the $Ω_{m}$ and $S_8$ better agree with the cosmic microwave background. Mitigating IA with sample selection, instead of flexible model choices, can reduce uncertainty in $S_8$ by a factor of 1.5.
title	Dark Energy Survey Year 3: Blue Shear
topic	Cosmology and Nongalactic Astrophysics
url	https://arxiv.org/abs/2410.22272

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