The DES bright arcs survey: hundreds of candidate strongly lensed galaxy systems from the Dark Energy Survey Science Verification and Year 1 observations

We report the results of searches for strong gravitational lens systems in the Dark Energy Survey (DES) Science Verification and Year 1 observations. The Science Verification data span approximately 250 sq. deg. with a median i-band limiting magnitude for extended objects (10σ) of 23.0. The Year 1 d...

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Main Authors:	Diehl, H.T., Buckley-Geer, E.J., Lindgren, K.A., Nord, B., Gaitsch, H., Gaitsch, S., Lin, H., Allam, S., Collett, T.E., Furlanetto, C., Gill, M.S.S., More, A., Nightingale, J., Odden, C., Pellico, A., Tucker, D.L., Costa, L.N. da, Neto, A.Fausti, Kuropatkin, N., Soares-Santos, M., Welch, B., Zhang, Y., Frieman, J.A., Abdalla, F.B., Annis, J., Benoit-Lévy, A., Bertin, E., Brooks, D., Burke, D. L., Rosell, A.Carnero, Kind, M.Carrasco, Carretero, J., Cunha, C.E., D’Andrea, C.B., Desai, S., Dietrich, J.P., Drlica-Wagner, A., Evrard, A.E., Finley, D.A., Flaugher, B., García-Bellido, J., Gerdes, D.W., Goldstein, D.A., Gruen, D., Gruendl, R.A., Gschwend, J., Gutierrez, G., James, D.J., Kuehn, K., Kuhlmann, S., Lahav, O., Li, T.S., Lima, M., Maia, M.A.G., Marshall, J.L., Menanteau, F., Miquel, R., Nichol, R.C., Nugent, P., Ogando, R.L.C., Plazas, A.A., Reil, K., Romer, A.K., Sako, M., Sanchez, E., Santiago, B., Scarpine, V., Schindler, R., Schubnell, M., Sevilla-Noarbe, I., Sheldon, E., Smith, M., Sobreira, F., Suchyta, E., Swanson, M.E.C., Tarle, G., Thomas, D., Walker, A.R.
Format:	Article
Published:	American Astronomical Society 2017
Subjects:	galaxies: high-redshift – gravitational lensing: strong
Online Access:	https://eprints.nottingham.ac.uk/47410/

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author	Diehl, H.T. Buckley-Geer, E.J. Lindgren, K.A. Nord, B. Gaitsch, H. Gaitsch, S. Lin, H. Allam, S. Collett, T.E. Furlanetto, C. Gill, M.S.S. More, A. Nightingale, J. Odden, C. Pellico, A. Tucker, D.L. Costa, L.N. da Neto, A.Fausti Kuropatkin, N. Soares-Santos, M. Welch, B. Zhang, Y. Frieman, J.A. Abdalla, F.B. Annis, J. Benoit-Lévy, A. Bertin, E. Brooks, D. Burke, D. L. Rosell, A.Carnero Kind, M.Carrasco Carretero, J. Cunha, C.E. D’Andrea, C.B. Desai, S. Dietrich, J.P. Drlica-Wagner, A. Evrard, A.E. Finley, D.A. Flaugher, B. García-Bellido, J. Gerdes, D.W. Goldstein, D.A. Gruen, D. Gruendl, R.A. Gschwend, J. Gutierrez, G. James, D.J. Kuehn, K. Kuhlmann, S. Lahav, O. Li, T.S. Lima, M. Maia, M.A.G. Marshall, J.L. Menanteau, F. Miquel, R. Nichol, R.C. Nugent, P. Ogando, R.L.C. Plazas, A.A. Reil, K. Romer, A.K. Sako, M. Sanchez, E. Santiago, B. Scarpine, V. Schindler, R. Schubnell, M. Sevilla-Noarbe, I. Sheldon, E. Smith, M. Sobreira, F. Suchyta, E. Swanson, M.E.C. Tarle, G. Thomas, D. Walker, A.R.
author_facet	Diehl, H.T. Buckley-Geer, E.J. Lindgren, K.A. Nord, B. Gaitsch, H. Gaitsch, S. Lin, H. Allam, S. Collett, T.E. Furlanetto, C. Gill, M.S.S. More, A. Nightingale, J. Odden, C. Pellico, A. Tucker, D.L. Costa, L.N. da Neto, A.Fausti Kuropatkin, N. Soares-Santos, M. Welch, B. Zhang, Y. Frieman, J.A. Abdalla, F.B. Annis, J. Benoit-Lévy, A. Bertin, E. Brooks, D. Burke, D. L. Rosell, A.Carnero Kind, M.Carrasco Carretero, J. Cunha, C.E. D’Andrea, C.B. Desai, S. Dietrich, J.P. Drlica-Wagner, A. Evrard, A.E. Finley, D.A. Flaugher, B. García-Bellido, J. Gerdes, D.W. Goldstein, D.A. Gruen, D. Gruendl, R.A. Gschwend, J. Gutierrez, G. James, D.J. Kuehn, K. Kuhlmann, S. Lahav, O. Li, T.S. Lima, M. Maia, M.A.G. Marshall, J.L. Menanteau, F. Miquel, R. Nichol, R.C. Nugent, P. Ogando, R.L.C. Plazas, A.A. Reil, K. Romer, A.K. Sako, M. Sanchez, E. Santiago, B. Scarpine, V. Schindler, R. Schubnell, M. Sevilla-Noarbe, I. Sheldon, E. Smith, M. Sobreira, F. Suchyta, E. Swanson, M.E.C. Tarle, G. Thomas, D. Walker, A.R.
author_sort	Diehl, H.T.
building	Nottingham Research Data Repository
collection	Online Access
description	We report the results of searches for strong gravitational lens systems in the Dark Energy Survey (DES) Science Verification and Year 1 observations. The Science Verification data span approximately 250 sq. deg. with a median i-band limiting magnitude for extended objects (10σ) of 23.0. The Year 1 data span approximately 2000 sq. deg. and have anti-band limiting magnitude for extended objects (10σ) of 22.9. As these data sets are both wide and deep, they are particularly useful for identifying strong gravitational lens candidates. Potential strong gravitational lens candidate systems were initially identified based on a color and magnitude selection in the DES object catalogs or because the system is at the location of a previously identified galaxy cluster. Cutout images of potential candidates were then visually scanned using an object viewer and numerically ranked according to whether or not we judged them to be likely strong gravitational lens systems. Having scanned nearly 400,000 cutouts, we present 374 candidate strong lens systems, of which 348 are identified for the first time. We provide the R.A. and decl., the magnitudes and photometric properties of the lens and source objects, and the distance (radius) of the source(s) from the lens center for each system.
first_indexed	2025-11-14T20:05:29Z
format	Article
id	nottingham-47410
institution	University of Nottingham Malaysia Campus
institution_category	Local University
last_indexed	2025-11-14T20:05:29Z
publishDate	2017
publisher	American Astronomical Society
recordtype	eprints
repository_type	Digital Repository
spelling	nottingham-474102020-05-04T19:08:15Z https://eprints.nottingham.ac.uk/47410/ The DES bright arcs survey: hundreds of candidate strongly lensed galaxy systems from the Dark Energy Survey Science Verification and Year 1 observations Diehl, H.T. Buckley-Geer, E.J. Lindgren, K.A. Nord, B. Gaitsch, H. Gaitsch, S. Lin, H. Allam, S. Collett, T.E. Furlanetto, C. Gill, M.S.S. More, A. Nightingale, J. Odden, C. Pellico, A. Tucker, D.L. Costa, L.N. da Neto, A.Fausti Kuropatkin, N. Soares-Santos, M. Welch, B. Zhang, Y. Frieman, J.A. Abdalla, F.B. Annis, J. Benoit-Lévy, A. Bertin, E. Brooks, D. Burke, D. L. Rosell, A.Carnero Kind, M.Carrasco Carretero, J. Cunha, C.E. D’Andrea, C.B. Desai, S. Dietrich, J.P. Drlica-Wagner, A. Evrard, A.E. Finley, D.A. Flaugher, B. García-Bellido, J. Gerdes, D.W. Goldstein, D.A. Gruen, D. Gruendl, R.A. Gschwend, J. Gutierrez, G. James, D.J. Kuehn, K. Kuhlmann, S. Lahav, O. Li, T.S. Lima, M. Maia, M.A.G. Marshall, J.L. Menanteau, F. Miquel, R. Nichol, R.C. Nugent, P. Ogando, R.L.C. Plazas, A.A. Reil, K. Romer, A.K. Sako, M. Sanchez, E. Santiago, B. Scarpine, V. Schindler, R. Schubnell, M. Sevilla-Noarbe, I. Sheldon, E. Smith, M. Sobreira, F. Suchyta, E. Swanson, M.E.C. Tarle, G. Thomas, D. Walker, A.R. We report the results of searches for strong gravitational lens systems in the Dark Energy Survey (DES) Science Verification and Year 1 observations. The Science Verification data span approximately 250 sq. deg. with a median i-band limiting magnitude for extended objects (10σ) of 23.0. The Year 1 data span approximately 2000 sq. deg. and have anti-band limiting magnitude for extended objects (10σ) of 22.9. As these data sets are both wide and deep, they are particularly useful for identifying strong gravitational lens candidates. Potential strong gravitational lens candidate systems were initially identified based on a color and magnitude selection in the DES object catalogs or because the system is at the location of a previously identified galaxy cluster. Cutout images of potential candidates were then visually scanned using an object viewer and numerically ranked according to whether or not we judged them to be likely strong gravitational lens systems. Having scanned nearly 400,000 cutouts, we present 374 candidate strong lens systems, of which 348 are identified for the first time. We provide the R.A. and decl., the magnitudes and photometric properties of the lens and source objects, and the distance (radius) of the source(s) from the lens center for each system. American Astronomical Society 2017-09-22 Article PeerReviewed Diehl, H.T., Buckley-Geer, E.J., Lindgren, K.A., Nord, B., Gaitsch, H., Gaitsch, S., Lin, H., Allam, S., Collett, T.E., Furlanetto, C., Gill, M.S.S., More, A., Nightingale, J., Odden, C., Pellico, A., Tucker, D.L., Costa, L.N. da, Neto, A.Fausti, Kuropatkin, N., Soares-Santos, M., Welch, B., Zhang, Y., Frieman, J.A., Abdalla, F.B., Annis, J., Benoit-Lévy, A., Bertin, E., Brooks, D., Burke, D. L., Rosell, A.Carnero, Kind, M.Carrasco, Carretero, J., Cunha, C.E., D’Andrea, C.B., Desai, S., Dietrich, J.P., Drlica-Wagner, A., Evrard, A.E., Finley, D.A., Flaugher, B., García-Bellido, J., Gerdes, D.W., Goldstein, D.A., Gruen, D., Gruendl, R.A., Gschwend, J., Gutierrez, G., James, D.J., Kuehn, K., Kuhlmann, S., Lahav, O., Li, T.S., Lima, M., Maia, M.A.G., Marshall, J.L., Menanteau, F., Miquel, R., Nichol, R.C., Nugent, P., Ogando, R.L.C., Plazas, A.A., Reil, K., Romer, A.K., Sako, M., Sanchez, E., Santiago, B., Scarpine, V., Schindler, R., Schubnell, M., Sevilla-Noarbe, I., Sheldon, E., Smith, M., Sobreira, F., Suchyta, E., Swanson, M.E.C., Tarle, G., Thomas, D. and Walker, A.R. (2017) The DES bright arcs survey: hundreds of candidate strongly lensed galaxy systems from the Dark Energy Survey Science Verification and Year 1 observations. Astrophysical Journal Supplement Series, 232 (1). p. 15. ISSN 1538-4365 galaxies: high-redshift – gravitational lensing: strong https://doi.org/10.3847/1538-4365/aa8667 10.3847/1538-4365/aa8667 10.3847/1538-4365/aa8667 10.3847/1538-4365/aa8667
spellingShingle	galaxies: high-redshift – gravitational lensing: strong Diehl, H.T. Buckley-Geer, E.J. Lindgren, K.A. Nord, B. Gaitsch, H. Gaitsch, S. Lin, H. Allam, S. Collett, T.E. Furlanetto, C. Gill, M.S.S. More, A. Nightingale, J. Odden, C. Pellico, A. Tucker, D.L. Costa, L.N. da Neto, A.Fausti Kuropatkin, N. Soares-Santos, M. Welch, B. Zhang, Y. Frieman, J.A. Abdalla, F.B. Annis, J. Benoit-Lévy, A. Bertin, E. Brooks, D. Burke, D. L. Rosell, A.Carnero Kind, M.Carrasco Carretero, J. Cunha, C.E. D’Andrea, C.B. Desai, S. Dietrich, J.P. Drlica-Wagner, A. Evrard, A.E. Finley, D.A. Flaugher, B. García-Bellido, J. Gerdes, D.W. Goldstein, D.A. Gruen, D. Gruendl, R.A. Gschwend, J. Gutierrez, G. James, D.J. Kuehn, K. Kuhlmann, S. Lahav, O. Li, T.S. Lima, M. Maia, M.A.G. Marshall, J.L. Menanteau, F. Miquel, R. Nichol, R.C. Nugent, P. Ogando, R.L.C. Plazas, A.A. Reil, K. Romer, A.K. Sako, M. Sanchez, E. Santiago, B. Scarpine, V. Schindler, R. Schubnell, M. Sevilla-Noarbe, I. Sheldon, E. Smith, M. Sobreira, F. Suchyta, E. Swanson, M.E.C. Tarle, G. Thomas, D. Walker, A.R. The DES bright arcs survey: hundreds of candidate strongly lensed galaxy systems from the Dark Energy Survey Science Verification and Year 1 observations
title	The DES bright arcs survey: hundreds of candidate strongly lensed galaxy systems from the Dark Energy Survey Science Verification and Year 1 observations
title_full	The DES bright arcs survey: hundreds of candidate strongly lensed galaxy systems from the Dark Energy Survey Science Verification and Year 1 observations
title_fullStr	The DES bright arcs survey: hundreds of candidate strongly lensed galaxy systems from the Dark Energy Survey Science Verification and Year 1 observations
title_full_unstemmed	The DES bright arcs survey: hundreds of candidate strongly lensed galaxy systems from the Dark Energy Survey Science Verification and Year 1 observations
title_short	The DES bright arcs survey: hundreds of candidate strongly lensed galaxy systems from the Dark Energy Survey Science Verification and Year 1 observations
title_sort	des bright arcs survey: hundreds of candidate strongly lensed galaxy systems from the dark energy survey science verification and year 1 observations
topic	galaxies: high-redshift – gravitational lensing: strong
url	https://eprints.nottingham.ac.uk/47410/ https://eprints.nottingham.ac.uk/47410/ https://eprints.nottingham.ac.uk/47410/

The DES bright arcs survey: hundreds of candidate strongly lensed galaxy systems from the Dark Energy Survey Science Verification and Year 1 observations

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