Dark Energy Survey year 1 results: Galaxy-galaxy lensing

J. Prat; C. Sánchez; Y. Fang; D. Gruen; J. Elvin-Poole; N. Kokron; L. F. Secco; B. Jain; R. Miquel; N. Maccrann; M. A. Troxel; A. Alarcon; D. Bacon; G. M. Bernstein; J. Blazek; R. Cawthon; C. Chang; M. Crocce; C. Davis; J. De Vicente; J. P. Dietrich; A. Drlica-Wagner; O. Friedrich; M. Gatti; W. G. Hartley; B. Hoyle; E. M. Huff; M. Jarvis; M. M. Rau; R. P. Rollins; A. J. Ross; E. Rozo; E. S. Rykoff; S. Samuroff; E. Sheldon; T. N. Varga; P. Vielzeuf; J. Zuntz; T. M.C. Abbott; F. B. Abdalla; S. Allam; J. Annis; K. Bechtol; A. Benoit-Lévy; E. Bertin; D. Brooks; E. Buckley-Geer; D. L. Burke; A. Carnero Rosell; M. Carrasco Kind; J. Carretero; F. J. Castander; C. E. Cunha; C. B. D'Andrea; L. N. Da Costa; S. Desai; H. T. Diehl; S. Dodelson; T. F. Eifler; E. Fernandez; B. Flaugher; P. Fosalba; J. Frieman; J. García-Bellido; E. Gaztanaga; D. W. Gerdes; T. Giannantonio; D. A. Goldstein; R. A. Gruendl; J. Gschwend; G. Gutierrez; K. Honscheid; D. J. James; T. Jeltema; M. W.G. Johnson; M. D. Johnson; D. Kirk; E. Krause; K. Kuehn; S. Kuhlmann; O. Lahav; T. S. Li; M. Lima; M. A.G. Maia; M. March; J. L. Marshall; P. Martini; P. Melchior; F. Menanteau; J. J. Mohr; R. C. Nichol; B. Nord; A. A. Plazas; A. K. Romer; A. Roodman; M. Sako; E. Sanchez; V. Scarpine; R. Schindler; M. Schubnell

doi:10.1103/PhysRevD.98.042005

Dark Energy Survey year 1 results: Galaxy-galaxy lensing

J. Prat, C. Sánchez, Y. Fang, D. Gruen, J. Elvin-Poole, N. Kokron, L. F. Secco, B. Jain, R. Miquel, N. Maccrann, M. A. Troxel, A. Alarcon, D. Bacon, G. M. Bernstein, J. Blazek, R. Cawthon, C. Chang, M. Crocce, C. Davis, J. De VicenteJ. P. Dietrich, A. Drlica-Wagner, O. Friedrich, M. Gatti, W. G. Hartley, B. Hoyle, E. M. Huff, M. Jarvis, M. M. Rau, R. P. Rollins, A. J. Ross, E. Rozo, E. S. Rykoff, S. Samuroff, E. Sheldon, T. N. Varga, P. Vielzeuf, J. Zuntz, T. M.C. Abbott, F. B. Abdalla, S. Allam, J. Annis, K. Bechtol, A. Benoit-Lévy, E. Bertin, D. Brooks, E. Buckley-Geer, D. L. Burke, A. Carnero Rosell, M. Carrasco Kind, J. Carretero, F. J. Castander, C. E. Cunha, C. B. D'Andrea, L. N. Da Costa, S. Desai, H. T. Diehl, S. Dodelson, T. F. Eifler, E. Fernandez, B. Flaugher, P. Fosalba, J. Frieman, J. García-Bellido, E. Gaztanaga, D. W. Gerdes, T. Giannantonio, D. A. Goldstein, R. A. Gruendl, J. Gschwend, G. Gutierrez, K. Honscheid, D. J. James, T. Jeltema, M. W.G. Johnson, M. D. Johnson, D. Kirk, E. Krause, K. Kuehn, S. Kuhlmann, O. Lahav, T. S. Li, M. Lima, M. A.G. Maia, M. March, J. L. Marshall, P. Martini, P. Melchior, F. Menanteau, J. J. Mohr, R. C. Nichol, B. Nord, A. A. Plazas, A. K. Romer, A. Roodman, M. Sako, E. Sanchez, V. Scarpine, R. Schindler, M. Schubnell

Department of Physics

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Abstract

© 2018 American Physical Society. We present galaxy-galaxy lensing measurements from 1321 sq. deg. of the Dark Energy Survey (DES) Year 1 (Y1) data. The lens sample consists of a selection of 660,000 red galaxies with high-precision photometric redshifts, known as redMaGiC, split into five tomographic bins in the redshift range 0.15<z<0.9. We use two different source samples, obtained from the Metacalibration (26 million galaxies) and im3shape (18 million galaxies) shear estimation codes, which are split into four photometric redshift bins in the range 0.2<z<1.3. We perform extensive testing of potential systematic effects that can bias the galaxy-galaxy lensing signal, including those from shear estimation, photometric redshifts, and observational properties. Covariances are obtained from jackknife subsamples of the data and validated with a suite of log-normal simulations. We use the shear-ratio geometric test to obtain independent constraints on the mean of the source redshift distributions, providing validation of those obtained from other photo-z studies with the same data. We find consistency between the galaxy bias estimates obtained from our galaxy-galaxy lensing measurements and from galaxy clustering, therefore showing the galaxy-matter cross-correlation coefficient r to be consistent with one, measured over the scales used for the cosmological analysis. The results in this work present one of the three two-point correlation functions, along with galaxy clustering and cosmic shear, used in the DES cosmological analysis of Y1 data, and hence the methodology and the systematics tests presented here provide a critical input for that study as well as for future cosmological analyses in DES and other photometric galaxy surveys.

Original language	English
Article number	042005
Journal	Physical Review D
Volume	98
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevD.98.042005
Publication status	Published - 15 Aug 2018

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10.1103/PhysRevD.98.042005

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Prat, J., Sánchez, C., Fang, Y., Gruen, D., Elvin-Poole, J., Kokron, N., Secco, L. F., Jain, B., Miquel, R., Maccrann, N., Troxel, M. A., Alarcon, A., Bacon, D., Bernstein, G. M., Blazek, J., Cawthon, R., Chang, C., Crocce, M., Davis, C., ... Schubnell, M. (2018). Dark Energy Survey year 1 results: Galaxy-galaxy lensing. Physical Review D, 98(4), [042005]. https://doi.org/10.1103/PhysRevD.98.042005

@article{adbf9db7a13b47f885065af097ee62f0,

title = "Dark Energy Survey year 1 results: Galaxy-galaxy lensing",

abstract = "{\textcopyright} 2018 American Physical Society. We present galaxy-galaxy lensing measurements from 1321 sq. deg. of the Dark Energy Survey (DES) Year 1 (Y1) data. The lens sample consists of a selection of 660,000 red galaxies with high-precision photometric redshifts, known as redMaGiC, split into five tomographic bins in the redshift range 0.15<z<0.9. We use two different source samples, obtained from the Metacalibration (26 million galaxies) and im3shape (18 million galaxies) shear estimation codes, which are split into four photometric redshift bins in the range 0.2<z<1.3. We perform extensive testing of potential systematic effects that can bias the galaxy-galaxy lensing signal, including those from shear estimation, photometric redshifts, and observational properties. Covariances are obtained from jackknife subsamples of the data and validated with a suite of log-normal simulations. We use the shear-ratio geometric test to obtain independent constraints on the mean of the source redshift distributions, providing validation of those obtained from other photo-z studies with the same data. We find consistency between the galaxy bias estimates obtained from our galaxy-galaxy lensing measurements and from galaxy clustering, therefore showing the galaxy-matter cross-correlation coefficient r to be consistent with one, measured over the scales used for the cosmological analysis. The results in this work present one of the three two-point correlation functions, along with galaxy clustering and cosmic shear, used in the DES cosmological analysis of Y1 data, and hence the methodology and the systematics tests presented here provide a critical input for that study as well as for future cosmological analyses in DES and other photometric galaxy surveys.",

author = "J. Prat and C. S{\'a}nchez and Y. Fang and D. Gruen and J. Elvin-Poole and N. Kokron and Secco, {L. F.} and B. Jain and R. Miquel and N. Maccrann and Troxel, {M. A.} and A. Alarcon and D. Bacon and Bernstein, {G. M.} and J. Blazek and R. Cawthon and C. Chang and M. Crocce and C. Davis and {De Vicente}, J. and Dietrich, {J. P.} and A. Drlica-Wagner and O. Friedrich and M. Gatti and Hartley, {W. G.} and B. Hoyle and Huff, {E. M.} and M. Jarvis and Rau, {M. M.} and Rollins, {R. P.} and Ross, {A. J.} and E. Rozo and Rykoff, {E. S.} and S. Samuroff and E. Sheldon and Varga, {T. N.} and P. Vielzeuf and J. Zuntz and Abbott, {T. M.C.} and Abdalla, {F. B.} and S. Allam and J. Annis and K. Bechtol and A. Benoit-L{\'e}vy and E. Bertin and D. Brooks and E. Buckley-Geer and Burke, {D. L.} and {Carnero Rosell}, A. and {Carrasco Kind}, M. and J. Carretero and Castander, {F. J.} and Cunha, {C. E.} and D'Andrea, {C. B.} and {Da Costa}, {L. N.} and S. Desai and Diehl, {H. T.} and S. Dodelson and Eifler, {T. F.} and E. Fernandez and B. Flaugher and P. Fosalba and J. Frieman and J. Garc{\'i}a-Bellido and E. Gaztanaga and Gerdes, {D. W.} and T. Giannantonio and Goldstein, {D. A.} and Gruendl, {R. A.} and J. Gschwend and G. Gutierrez and K. Honscheid and James, {D. J.} and T. Jeltema and Johnson, {M. W.G.} and Johnson, {M. D.} and D. Kirk and E. Krause and K. Kuehn and S. Kuhlmann and O. Lahav and Li, {T. S.} and M. Lima and Maia, {M. A.G.} and M. March and Marshall, {J. L.} and P. Martini and P. Melchior and F. Menanteau and Mohr, {J. J.} and Nichol, {R. C.} and B. Nord and Plazas, {A. A.} and Romer, {A. K.} and A. Roodman and M. Sako and E. Sanchez and V. Scarpine and R. Schindler and M. Schubnell",

year = "2018",

month = aug,

day = "15",

doi = "10.1103/PhysRevD.98.042005",

language = "English",

volume = "98",

journal = "Physical Review D",

issn = "2470-0010",

publisher = "American Physical Society",

number = "4",

}

Prat, J, Sánchez, C, Fang, Y, Gruen, D, Elvin-Poole, J, Kokron, N, Secco, LF, Jain, B, Miquel, R, Maccrann, N, Troxel, MA, Alarcon, A, Bacon, D, Bernstein, GM, Blazek, J, Cawthon, R, Chang, C, Crocce, M, Davis, C, De Vicente, J, Dietrich, JP, Drlica-Wagner, A, Friedrich, O, Gatti, M, Hartley, WG, Hoyle, B, Huff, EM, Jarvis, M, Rau, MM, Rollins, RP, Ross, AJ, Rozo, E, Rykoff, ES, Samuroff, S, Sheldon, E, Varga, TN, Vielzeuf, P, Zuntz, J, Abbott, TMC, Abdalla, FB, Allam, S, Annis, J, Bechtol, K, Benoit-Lévy, A, Bertin, E, Brooks, D, Buckley-Geer, E, Burke, DL, Carnero Rosell, A, Carrasco Kind, M, Carretero, J, Castander, FJ, Cunha, CE, D'Andrea, CB, Da Costa, LN, Desai, S, Diehl, HT, Dodelson, S, Eifler, TF, Fernandez, E, Flaugher, B, Fosalba, P, Frieman, J, García-Bellido, J, Gaztanaga, E, Gerdes, DW, Giannantonio, T, Goldstein, DA, Gruendl, RA, Gschwend, J, Gutierrez, G, Honscheid, K, James, DJ, Jeltema, T, Johnson, MWG, Johnson, MD, Kirk, D, Krause, E, Kuehn, K, Kuhlmann, S, Lahav, O, Li, TS, Lima, M, Maia, MAG, March, M, Marshall, JL, Martini, P, Melchior, P, Menanteau, F, Mohr, JJ, Nichol, RC, Nord, B, Plazas, AA, Romer, AK, Roodman, A, Sako, M, Sanchez, E, Scarpine, V, Schindler, R & Schubnell, M 2018, 'Dark Energy Survey year 1 results: Galaxy-galaxy lensing', Physical Review D, vol. 98, no. 4, 042005. https://doi.org/10.1103/PhysRevD.98.042005

TY - JOUR

T1 - Dark Energy Survey year 1 results: Galaxy-galaxy lensing

AU - Prat, J.

AU - Sánchez, C.

AU - Fang, Y.

AU - Gruen, D.

AU - Elvin-Poole, J.

AU - Kokron, N.

AU - Secco, L. F.

AU - Jain, B.

AU - Miquel, R.

AU - Maccrann, N.

AU - Troxel, M. A.

AU - Alarcon, A.

AU - Bacon, D.

AU - Bernstein, G. M.

AU - Blazek, J.

AU - Cawthon, R.

AU - Chang, C.

AU - Crocce, M.

AU - Davis, C.

AU - De Vicente, J.

AU - Dietrich, J. P.

AU - Drlica-Wagner, A.

AU - Friedrich, O.

AU - Gatti, M.

AU - Hartley, W. G.

AU - Hoyle, B.

AU - Huff, E. M.

AU - Jarvis, M.

AU - Rau, M. M.

AU - Rollins, R. P.

AU - Ross, A. J.

AU - Rozo, E.

AU - Rykoff, E. S.

AU - Samuroff, S.

AU - Sheldon, E.

AU - Varga, T. N.

AU - Vielzeuf, P.

AU - Zuntz, J.

AU - Abbott, T. M.C.

AU - Abdalla, F. B.

AU - Allam, S.

AU - Annis, J.

AU - Bechtol, K.

AU - Benoit-Lévy, A.

AU - Bertin, E.

AU - Brooks, D.

AU - Buckley-Geer, E.

AU - Burke, D. L.

AU - Carnero Rosell, A.

AU - Carrasco Kind, M.

AU - Carretero, J.

AU - Castander, F. J.

AU - Cunha, C. E.

AU - D'Andrea, C. B.

AU - Da Costa, L. N.

AU - Desai, S.

AU - Diehl, H. T.

AU - Dodelson, S.

AU - Eifler, T. F.

AU - Fernandez, E.

AU - Flaugher, B.

AU - Fosalba, P.

AU - Frieman, J.

AU - García-Bellido, J.

AU - Gaztanaga, E.

AU - Gerdes, D. W.

AU - Giannantonio, T.

AU - Goldstein, D. A.

AU - Gruendl, R. A.

AU - Gschwend, J.

AU - Gutierrez, G.

AU - Honscheid, K.

AU - James, D. J.

AU - Jeltema, T.

AU - Johnson, M. W.G.

AU - Johnson, M. D.

AU - Kirk, D.

AU - Krause, E.

AU - Kuehn, K.

AU - Kuhlmann, S.

AU - Lahav, O.

AU - Li, T. S.

AU - Lima, M.

AU - Maia, M. A.G.

AU - March, M.

AU - Marshall, J. L.

AU - Martini, P.

AU - Melchior, P.

AU - Menanteau, F.

AU - Mohr, J. J.

AU - Nichol, R. C.

AU - Nord, B.

AU - Plazas, A. A.

AU - Romer, A. K.

AU - Roodman, A.

AU - Sako, M.

AU - Sanchez, E.

AU - Scarpine, V.

AU - Schindler, R.

AU - Schubnell, M.

PY - 2018/8/15

Y1 - 2018/8/15

N2 - © 2018 American Physical Society. We present galaxy-galaxy lensing measurements from 1321 sq. deg. of the Dark Energy Survey (DES) Year 1 (Y1) data. The lens sample consists of a selection of 660,000 red galaxies with high-precision photometric redshifts, known as redMaGiC, split into five tomographic bins in the redshift range 0.15<z<0.9. We use two different source samples, obtained from the Metacalibration (26 million galaxies) and im3shape (18 million galaxies) shear estimation codes, which are split into four photometric redshift bins in the range 0.2<z<1.3. We perform extensive testing of potential systematic effects that can bias the galaxy-galaxy lensing signal, including those from shear estimation, photometric redshifts, and observational properties. Covariances are obtained from jackknife subsamples of the data and validated with a suite of log-normal simulations. We use the shear-ratio geometric test to obtain independent constraints on the mean of the source redshift distributions, providing validation of those obtained from other photo-z studies with the same data. We find consistency between the galaxy bias estimates obtained from our galaxy-galaxy lensing measurements and from galaxy clustering, therefore showing the galaxy-matter cross-correlation coefficient r to be consistent with one, measured over the scales used for the cosmological analysis. The results in this work present one of the three two-point correlation functions, along with galaxy clustering and cosmic shear, used in the DES cosmological analysis of Y1 data, and hence the methodology and the systematics tests presented here provide a critical input for that study as well as for future cosmological analyses in DES and other photometric galaxy surveys.

AB - © 2018 American Physical Society. We present galaxy-galaxy lensing measurements from 1321 sq. deg. of the Dark Energy Survey (DES) Year 1 (Y1) data. The lens sample consists of a selection of 660,000 red galaxies with high-precision photometric redshifts, known as redMaGiC, split into five tomographic bins in the redshift range 0.15<z<0.9. We use two different source samples, obtained from the Metacalibration (26 million galaxies) and im3shape (18 million galaxies) shear estimation codes, which are split into four photometric redshift bins in the range 0.2<z<1.3. We perform extensive testing of potential systematic effects that can bias the galaxy-galaxy lensing signal, including those from shear estimation, photometric redshifts, and observational properties. Covariances are obtained from jackknife subsamples of the data and validated with a suite of log-normal simulations. We use the shear-ratio geometric test to obtain independent constraints on the mean of the source redshift distributions, providing validation of those obtained from other photo-z studies with the same data. We find consistency between the galaxy bias estimates obtained from our galaxy-galaxy lensing measurements and from galaxy clustering, therefore showing the galaxy-matter cross-correlation coefficient r to be consistent with one, measured over the scales used for the cosmological analysis. The results in this work present one of the three two-point correlation functions, along with galaxy clustering and cosmic shear, used in the DES cosmological analysis of Y1 data, and hence the methodology and the systematics tests presented here provide a critical input for that study as well as for future cosmological analyses in DES and other photometric galaxy surveys.

U2 - 10.1103/PhysRevD.98.042005

DO - 10.1103/PhysRevD.98.042005

M3 - Article

SN - 2470-0010

VL - 98

JO - Physical Review D

JF - Physical Review D

IS - 4

M1 - 042005

ER -

Dark Energy Survey year 1 results: Galaxy-galaxy lensing

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