Dark Energy Survey Year 3 results: Exploiting small-scale information with lensing shear ratios
- Sánchez, Carles
- Prat, Judit
- Zacharegkas, G.
- Pandey, S.
- Baxter, E.
- Bernstein, G.M.
- Blazek, J.
- Cawthon, R.
- Chang, C.
- Krause, E.
- Lemos, P.
- Park, Y.
- Raveri, M.
- Sanchez, J.
- Troxel, M.A.
- Amon, A.
- Fang, X.
- Friedrich, O.
- Gruen, D.
- Porredon, A.
- Secco, L.F.
- Samuroff, S.
- Alarcon, A.
- Alves, O.
- Andrade-Oliveira, F.
- Bechtol, K.
- Becker, M.R.
- Camacho, H.
- Campos, A.
- Carnero Rosell, A.
- Carrasco Kind, M.
- Chen, R.
- Choi, A.
- Crocce, M.
- Davis, C.
- De Vicente, J.
- DeRose, J.
- Di Valentino, E.
- Diehl, H.T.
- Dodelson, S.
- Doux, C.
- Drlica-Wagner, A.
- Eckert, K.
- Eifler, T.F.
- Elsner, F.
- Elvin-Poole, J.
- Everett, S.
- Ferté, A.
- Fosalba, P.
- Gatti, M.
- Giannini, G.
- Gruendl, R.A.
- Harrison, I.
- Hartley, W.G.
- Herner, K.
- Huff, E.M.
- Huterer, D.
- Jarvis, M.
- Jain, B.
- Kuropatkin, N.
- Leget, P.-F.
- MacCrann, N.
- McCullough, J.
- Muir, J.
- Myles, J.
- Navarro-Alsina, A.
- Rollins, R.P.
- Roodman, A.
- Rosenfeld, R.
- Rykoff, E.S.
- Sevilla-Noarbe, I.
- Sheldon, E.
- Shin, T.
- Troja, A.
- Tutusaus, I.
- Varga, T.N.
- Wechsler, R.H.
- Yanny, B.
- Yin, B.
- Zhang, Y.
- Zuntz, Joseph
- Abbott, T.M.C.
- Aguena, M.
- Allam, S.
- Bacon, D.
- Bertin, E.
- Bhargava, S.
- Brooks, D.
- Buckley-Geer, E.
- Burke, D.L.
- Carretero, J.
- Costanzi, M.
- da Costa, L.N.
- Pereira, M.E.S.
- Desai, S.
- Dietrich, J.P.
- Doel, P.
- Evrard, A.E.
- Ferrero, Ismael
- Flaugher, B.
- Frieman, J.
- García-Bellido, J.
- Gaztanaga, E.
- Gerdes, D.W.
- Giannantonio, T.
- Gschwend, J.
- Gutierrez, G.
- Hinton, S.R.
- Hollowood, D.L.
- Honscheid, K.
- Hoyle, B.
- James, D.J.
- Kuehn, K.
- Lahav, O.
- Lima, M.
- Lin, H.
- Maia, M.A.G.
- Marshall, J.L.
- Martini, P.
- Melchior, P.
- Menanteau, F.
- Miquel, R.
- Mohr, J.J.
- Morgan, R.
- Palmese, A.
- Paz-Chinchón, F.
- Petravick, D.
- Pieres, A.
- Plazas Malagón, A.A.
- Rodriguez-Monroy, M.
- Sanchez, E.
- Scarpine, V.
- Schubnell, M.
- Serrano, S.
- Smith, M.
- Soares-Santos, M.
- Suchyta, E.
- Swanson, M.E.C.
- Tarle, G.
- Thomas, D.
- To, C.
DOIAbstract
Using the first three years of data from the Dark Energy Survey (DES), we use ratios of small-scale galaxy-galaxy lensing measurements around the same lens sample to constrain source redshift uncertainties, intrinsic alignments and other systematics or nuisance parameters of our model. Instead of using a simple geometric approach for the ratios as has been done in the past, we use the full modeling of the galaxy-galaxy lensing measurements, including the corresponding integration over the power spectrum and the contributions from intrinsic alignments and lens magnification. We perform extensive testing of the small-scale shear-ratio (SR) modeling by studying the impact of different effects such as the inclusion of baryonic physics, nonlinea...
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