The STRong lensing Insights into the Dark Energy Survey (STRIDES) 2016 follow-up campaign – I. Overview and classification of candidates selected by two techniques

Treu, T.; Agnello, A.; Baumer, M. A.; Birrer, S.; Buckley-Geer, E. J.; Courbin, F.; Kim, Y. J.; Lin, H.; Marshall, P. J.; Nord, B.; Schechter, P. L.; Sivakumar, P. R.; Abramson, L. E.; Anguita, T.; Apostolovski, Y.; Auger, M. W.; Chan, J. H. H.; Chen, G. C. F.; Collett, T. E.; Fassnacht, C. D.; Hsueh, J-W; Lemon, C.; McMahon, R. G.; Motta, V.; Ostrovski, F.; Rojas, K.; Rusu, C. E.; Williams, P.; Frieman, J.; Meylan, G.; Suyu, S. H.; Abbott, T. M. C.; Abdalla, F. B.; Allam, S.; Annis, J.; Avila, S.; Banerji, M.; Brooks, D.; Rosell, A. Carnero; Kind, M. Carrasco; Carretero, J.; Castander, F. J.; D’Andrea, C. B.; da Costa, L. N.; De Vicente, J.; Doel, P.; Eifler, T. F.; Flaugher, B.; Fosalba, P.; García-Bellido, J.; Goldstein, D. A.; Gruen, D.; Gruendl, R. A.; Gutierrez, G.; Hartley, W. G.; Hollowood, D.; Honscheid, K.; James, D. J.; Kuehn, K.; Kuropatkin, N.; Lima, M.; Maia, M. A. G.; Martini, P.; Menanteau, F.; Miquel, R.; Plazas, A. A.; Romer, A. K.; Sanchez, E.; Scarpine, V.; Schindler, R.; Schubnell, M.; Sevilla-Noarbe, I.; Smith, M.; Smith, R. C.; Soares-Santos, M.; Sobreira, F.; Suchyta, E.; Swanson, M. E. C.; Tarle, G.; Thomas, D.; Tucker, D. L.; Walker, A. R.

doi:10.1093/mnras/sty2329

Title: The STRong lensing Insights into the Dark Energy Survey (STRIDES) 2016 follow-up campaign – I. Overview and classification of candidates selected by two techniques

Abstract

The primary goals of the STRong lensing Insights into the Dark Energy Survey (STRIDES) collaboration are to measure the dark energy equation of state parameter and the free streaming length of dark matter. To this aim, STRIDES is discovering strongly lensed quasars in the imaging data of the Dark Energy Survey and following them up to measure time delays, high resolution imaging, and spectroscopy sufficient to construct accurate lens models. In this paper, we first present forecasts for STRIDES. Then, we describe the STRIDES classification scheme, and give an overview of the Fall 2016 follow-up campaign. We continue by detailing the results of two selection methods, the outlier selection technique and a morphological algorithm, and presenting lens models of a system that could possibly be a lensed quasar in an unusual configuration. We conclude with the summary statistics of the Fall 2016 campaign. Including searches presented in companion papers (Anguita et al.; Ostrovski et al.), STRIDES followed up 117 targets identifying 7 new strongly lensed systems, and 7 nearly identical quasars, which could be confirmed as lenses by the detection of the lens galaxy. 76 candidates were rejected and 27 remain otherwise inconclusive, for a success rate in the rangemore »« less

Authors:

Treu, T. ^[1]; Agnello, A. ^[2]; Baumer, M. A. ^[3]; Birrer, S. ^[1]; Buckley-Geer, E. J. ^[4]; Courbin, F. ^[5]; Kim, Y. J. ^[3]; Lin, H. ^[4]; Marshall, P. J. ^[3]; Nord, B. ^[4]; Schechter, P. L. ^[6]; Sivakumar, P. R. ^[7]; Abramson, L. E. ^[1]; Anguita, T. ^[8]; Apostolovski, Y. ^[9]; Auger, M. W. ^[10]; Chan, J. H. H. ^[11]; Chen, G. C. F. ^[12]; Collett, T. E. ^[13]; Fassnacht, C. D. ^[12] more »

Department of Physics and Astronomy, PAB, 430 Portola Plaza, Box 951547, Los Angeles, CA 90095, USA
Department of Physics and Astronomy, PAB, 430 Portola Plaza, Box 951547, Los Angeles, CA 90095, USA; European Southern Observatory, Karl-Schwarzschild-Strasse 2, D-85748 Garching bei München, DE, Germany
Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, 452 Lomita Mall, Stanford, CA 94305, USA
Fermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510, USA
Laboratoire d’Astrophysique, Ecole Polytechnique Fédérale de Lausanne (EPFL), Observatoire de Sauverny, CH-1290 Versoix, Switzerland
MIT Kavli Institute for Astrophysics and Space Research, 37-664G, 77 Massachusetts Avenue, Cambridge, MA 02139, USA
Fermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510, USA; Illinois Mathematics and Science Academy, 1500 Sullivan Road, Aurora, IL 60506, USA; University of California-Berkeley, Berkeley, CA 94720, USA
Departamento de Ciencias Fisicas, Universidad Andres Bello Fernandez Concha 700, Las Condes, Santiago, 7591538, Chile; Millenium Institute of Astrophysics, 7591538, Chile
Departamento de Ciencias Fisicas, Universidad Andres Bello Fernandez Concha 700, Las Condes, Santiago, 7591538, Chile
Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK
Illinois Mathematics and Science Academy, 1500 Sullivan Road, Aurora, IL 60506, USA; Institute of Astronomy and Astrophysics, Academia Sinica, P.O. Box 23-141, Taipei 10617, Taiwan
Department of Physics, University of California Davis, 1 Shields Avenue, Davis, CA 95616, USA
Institute of Cosmology & Gravitation, University of Portsmouth, Portsmouth PO1 3FX, UK
Instituto de Física y Astronomía, Universidad de Valparaíso, Avda. Gran Bretaña 1111, Playa Ancha, Valparaíso 2360102, Chile
Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK; Departamento de Astronomia, Instituto de Fsica da Universidade Federal do Rio Grande do Sul, 91501-970 Porto Alegre, Brazil
Department of Physics, University of California Davis, 1 Shields Avenue, Davis, CA 95616, USA; Subaru Telescope, National Astronomical Observatory of Japan, 650 North A’ohoku Place, Hilo, HI 96720, USA
Institute of Astronomy and Astrophysics, Academia Sinica, P.O. Box 23-141, Taipei 10617, Taiwan; Max-Planck-Institut für Astrophysik, Karl-Schwarzschild-Str. 1, D-85741 Garching, Germany; Physik-Department, Technische Universität München, James-Franck-Straße 1, D-85748 Garching, Germany
Cerro Tololo Inter-American Observatory, National Optical Astronomy Observatory, Casilla 603, La Serena, Chile
Department of Physics & Astronomy, University College London, Gower Street, London WC1E 6BT, UK; Department of Physics and Electronics, Rhodes University, P.O. Box 94, Grahamstown 6140, South Africa
Millenium Institute of Astrophysics, 7591538, Chile; Kavli Institute for Cosmology, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK
Department of Physics & Astronomy, University College London, Gower Street, London WC1E 6BT, UK
Laboratório Interinstitucional de e-Astronomia – LIneA, Rua Gal. José Cristino 77, Rio de Janeiro, RJ-20921-400, Brazil; Observatório Nacional, Rua Gal. José Cristino 77, Rio de Janeiro, RJ-20921-400, Brazil
Department of Astronomy, University of Illinois at Urbana-Champaign, 1002 W. Green Street, Urbana, IL 61801, USA; National Center for Supercomputing Applications, 1205 West Clark Str, Urbana, IL 61801, USA
Institut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, E-08193 Bellaterra (Barcelona), Spain
Institut d’Estudis Espacials de Catalunya (IEEC), E-08193 Barcelona, Spain; Institute of Space Sciences (ICE, CSIC), Campus UAB, Carrer de Can Magrans, s/n, E-08193 Barcelona, Spain
Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104, USA
Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid, 28040, Spain
Department of Astronomy/Steward Observatory, 933 North Cherry Avenue, Tucson, AZ 85721, USA; Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Dr., Pasadena, CA 91109, USA
Instituto de Fisica Teorica UAM/CSIC, Universidad Autonoma de Madrid, E-28049 Madrid, Spain
Department of Astronomy, University of California, Berkeley, 501 Campbell Hall, Berkeley, CA 94720, USA; Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, USA
Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, 452 Lomita Mall, Stanford, CA 94305, USA; SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA
Department of Physics & Astronomy, University College London, Gower Street, London WC1E 6BT, UK; Department of Physics, ETH Zurich, Wolfgang-Pauli-Strasse 16, CH-8093 Zurich, Switzerland
Santa Cruz Institute for Particle Physics, Santa Cruz, CA 95064, USA
Center for Cosmology and Astro-Particle Physics, The Ohio State University, Columbus, OH 43210, USA; Department of Physics, The Ohio State University, Columbus, OH 43210, USA
Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USA
Australian Astronomical Observatory, North Ryde, NSW 2113, Australia
Departamento de Física Matemática, Instituto de Física, Universidade de São Paulo, CP 66318, São Paulo, SP 05314-970, Brazil; Laboratório Interinstitucional de e-Astronomia – LIneA, Rua Gal. José Cristino 77, Rio de Janeiro, RJ-20921-400, Brazil
Center for Cosmology and Astro-Particle Physics, The Ohio State University, Columbus, OH 43210, USA; Department of Astronomy, The Ohio State University, Columbus, OH 43210, USA
Institut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, E-08193 Bellaterra (Barcelona), Spain; Institució Catalana de Recerca i Estudis Avançats, E-08010 Barcelona, Spain
Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Dr., Pasadena, CA 91109, USA
Department of Physics and Astronomy, Pevensey Building, University of Sussex, Brighton BN1 9QH, UK
SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA
Department of Physics, University of Michigan, Ann Arbor, MI 48109, USA
School of Physics and Astronomy, University of Southampton, Southampton SO17 1BJ, UK
Brandeis University, Physics Department, 415 South Street, Waltham, MA 02453, USA
Laboratório Interinstitucional de e-Astronomia – LIneA, Rua Gal. José Cristino 77, Rio de Janeiro, RJ-20921-400, Brazil; Instituto de Física Gleb Wataghin, Universidade Estadual de Campinas, 13083-859 Campinas, SP, Brazil
Computer Science and Mathematics Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
National Center for Supercomputing Applications, 1205 West Clark Str, Urbana, IL 61801, USA

Publication Date:: Fri Aug 24 00:00:00 EDT 2018

Research Org.:: Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE Office of Science (SC), High Energy Physics (HEP); USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR)

Contributing Org.:: DES Collaboration

OSTI Identifier:: 1469704

Alternate Identifier(s):: OSTI ID: 1479695; OSTI ID: 1491364

Report Number(s):: arXiv:1808.04838; FERMILAB-PUB-18-064-AE
Journal ID: ISSN 0035-8711; 1687468

Grant/Contract Number:: AC02-07CH11359; AC05-00OR22725; AC02-05CH11231

Resource Type:: Accepted Manuscript

Journal Name:: Monthly Notices of the Royal Astronomical Society

Additional Journal Information:: Journal Volume: 481; Journal Issue: 1; Journal ID: ISSN 0035-8711

Publisher:: Royal Astronomical Society

Country of Publication:: United States

Language:: English

Subject:: 79 ASTRONOMY AND ASTROPHYSICS; gravitational lensing: strong; methods: statistical; catalogues

Citation Formats


                    Treu, T., Agnello, A., Baumer, M. A., Birrer, S., Buckley-Geer, E. J., Courbin, F., Kim, Y. J., Lin, H., Marshall, P. J., Nord, B., Schechter, P. L., Sivakumar, P. R., Abramson, L. E., Anguita, T., Apostolovski, Y., Auger, M. W., Chan, J. H. H., Chen, G. C. F., Collett, T. E., Fassnacht, C. D., Hsueh, J-W, Lemon, C., McMahon, R. G., Motta, V., Ostrovski, F., Rojas, K., Rusu, C. E., Williams, P., Frieman, J., Meylan, G., Suyu, S. H., Abbott, T. M. C., Abdalla, F. B., Allam, S., Annis, J., Avila, S., Banerji, M., Brooks, D., Rosell, A. Carnero, Kind, M. Carrasco, Carretero, J., Castander, F. J., D’Andrea, C. B., da Costa, L. N., De Vicente, J., Doel, P., Eifler, T. F., Flaugher, B., Fosalba, P., García-Bellido, J., Goldstein, D. A., Gruen, D., Gruendl, R. A., Gutierrez, G., Hartley, W. G., Hollowood, D., Honscheid, K., James, D. J., Kuehn, K., Kuropatkin, N., Lima, M., Maia, M. A. G., Martini, P., Menanteau, F., Miquel, R., Plazas, A. A., Romer, A. K., Sanchez, E., Scarpine, V., Schindler, R., Schubnell, M., Sevilla-Noarbe, I., Smith, M., Smith, R. C., Soares-Santos, M., Sobreira, F., Suchyta, E., Swanson, M. E. C., Tarle, G., Thomas, D., Tucker, D. L., and Walker, A. R. The STRong lensing Insights into the Dark Energy Survey (STRIDES) 2016 follow-up campaign – I. Overview and classification of candidates selected by two techniques.  United States: N. p., 2018. 
Web.  doi:10.1093/mnras/sty2329.

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                    Treu, T., Agnello, A., Baumer, M. A., Birrer, S., Buckley-Geer, E. J., Courbin, F., Kim, Y. J., Lin, H., Marshall, P. J., Nord, B., Schechter, P. L., Sivakumar, P. R., Abramson, L. E., Anguita, T., Apostolovski, Y., Auger, M. W., Chan, J. H. H., Chen, G. C. F., Collett, T. E., Fassnacht, C. D., Hsueh, J-W, Lemon, C., McMahon, R. G., Motta, V., Ostrovski, F., Rojas, K., Rusu, C. E., Williams, P., Frieman, J., Meylan, G., Suyu, S. H., Abbott, T. M. C., Abdalla, F. B., Allam, S., Annis, J., Avila, S., Banerji, M., Brooks, D., Rosell, A. Carnero, Kind, M. Carrasco, Carretero, J., Castander, F. J., D’Andrea, C. B., da Costa, L. N., De Vicente, J., Doel, P., Eifler, T. F., Flaugher, B., Fosalba, P., García-Bellido, J., Goldstein, D. A., Gruen, D., Gruendl, R. A., Gutierrez, G., Hartley, W. G., Hollowood, D., Honscheid, K., James, D. J., Kuehn, K., Kuropatkin, N., Lima, M., Maia, M. A. G., Martini, P., Menanteau, F., Miquel, R., Plazas, A. A., Romer, A. K., Sanchez, E., Scarpine, V., Schindler, R., Schubnell, M., Sevilla-Noarbe, I., Smith, M., Smith, R. C., Soares-Santos, M., Sobreira, F., Suchyta, E., Swanson, M. E. C., Tarle, G., Thomas, D., Tucker, D. L., & Walker, A. R. The STRong lensing Insights into the Dark Energy Survey (STRIDES) 2016 follow-up campaign – I. Overview and classification of candidates selected by two techniques.  United States.  https://doi.org/10.1093/mnras/sty2329

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                    Treu, T., Agnello, A., Baumer, M. A., Birrer, S., Buckley-Geer, E. J., Courbin, F., Kim, Y. J., Lin, H., Marshall, P. J., Nord, B., Schechter, P. L., Sivakumar, P. R., Abramson, L. E., Anguita, T., Apostolovski, Y., Auger, M. W., Chan, J. H. H., Chen, G. C. F., Collett, T. E., Fassnacht, C. D., Hsueh, J-W, Lemon, C., McMahon, R. G., Motta, V., Ostrovski, F., Rojas, K., Rusu, C. E., Williams, P., Frieman, J., Meylan, G., Suyu, S. H., Abbott, T. M. C., Abdalla, F. B., Allam, S., Annis, J., Avila, S., Banerji, M., Brooks, D., Rosell, A. Carnero, Kind, M. Carrasco, Carretero, J., Castander, F. J., D’Andrea, C. B., da Costa, L. N., De Vicente, J., Doel, P., Eifler, T. F., Flaugher, B., Fosalba, P., García-Bellido, J., Goldstein, D. A., Gruen, D., Gruendl, R. A., Gutierrez, G., Hartley, W. G., Hollowood, D., Honscheid, K., James, D. J., Kuehn, K., Kuropatkin, N., Lima, M., Maia, M. A. G., Martini, P., Menanteau, F., Miquel, R., Plazas, A. A., Romer, A. K., Sanchez, E., Scarpine, V., Schindler, R., Schubnell, M., Sevilla-Noarbe, I., Smith, M., Smith, R. C., Soares-Santos, M., Sobreira, F., Suchyta, E., Swanson, M. E. C., Tarle, G., Thomas, D., Tucker, D. L., and Walker, A. R. Fri .  
"The STRong lensing Insights into the Dark Energy Survey (STRIDES) 2016 follow-up campaign – I. Overview and classification of candidates selected by two techniques".  United States.  https://doi.org/10.1093/mnras/sty2329.  https://www.osti.gov/servlets/purl/1469704.

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@article{osti_1469704,

  title        = {The STRong lensing Insights into the Dark Energy Survey (STRIDES) 2016 follow-up campaign – I. Overview and classification of candidates selected by two techniques},

  author       = {Treu, T. and Agnello, A. and Baumer, M. A. and Birrer, S. and Buckley-Geer, E. J. and Courbin, F. and Kim, Y. J. and Lin, H. and Marshall, P. J. and Nord, B. and Schechter, P. L. and Sivakumar, P. R. and Abramson, L. E. and Anguita, T. and Apostolovski, Y. and Auger, M. W. and Chan, J. H. H. and Chen, G. C. F. and Collett, T. E. and Fassnacht, C. D. and Hsueh, J-W and Lemon, C. and McMahon, R. G. and Motta, V. and Ostrovski, F. and Rojas, K. and Rusu, C. E. and Williams, P. and Frieman, J. and Meylan, G. and Suyu, S. H. and Abbott, T. M. C. and Abdalla, F. B. and Allam, S. and Annis, J. and Avila, S. and Banerji, M. and Brooks, D. and Rosell, A. Carnero and Kind, M. Carrasco and Carretero, J. and Castander, F. J. and D’Andrea, C. B. and da Costa, L. N. and De Vicente, J. and Doel, P. and Eifler, T. F. and Flaugher, B. and Fosalba, P. and García-Bellido, J. and Goldstein, D. A. and Gruen, D. and Gruendl, R. A. and Gutierrez, G. and Hartley, W. G. and Hollowood, D. and Honscheid, K. and James, D. J. and Kuehn, K. and Kuropatkin, N. and Lima, M. and Maia, M. A. G. and Martini, P. and Menanteau, F. and Miquel, R. and Plazas, A. A. and Romer, A. K. and Sanchez, E. and Scarpine, V. and Schindler, R. and Schubnell, M. and Sevilla-Noarbe, I. and Smith, M. and Smith, R. C. and Soares-Santos, M. and Sobreira, F. and Suchyta, E. and Swanson, M. E. C. and Tarle, G. and Thomas, D. and Tucker, D. L. and Walker, A. R.},

  abstractNote = {The primary goals of the STRong lensing Insights into the Dark Energy Survey (STRIDES) collaboration are to measure the dark energy equation of state parameter and the free streaming length of dark matter. To this aim, STRIDES is discovering strongly lensed quasars in the imaging data of the Dark Energy Survey and following them up to measure time delays, high resolution imaging, and spectroscopy sufficient to construct accurate lens models. In this paper, we first present forecasts for STRIDES. Then, we describe the STRIDES classification scheme, and give an overview of the Fall 2016 follow-up campaign. We continue by detailing the results of two selection methods, the outlier selection technique and a morphological algorithm, and presenting lens models of a system that could possibly be a lensed quasar in an unusual configuration. We conclude with the summary statistics of the Fall 2016 campaign. Including searches presented in companion papers (Anguita et al.; Ostrovski et al.), STRIDES followed up 117 targets identifying 7 new strongly lensed systems, and 7 nearly identical quasars, which could be confirmed as lenses by the detection of the lens galaxy. 76 candidates were rejected and 27 remain otherwise inconclusive, for a success rate in the range of 6–35 percent. This rate is comparable to that of previous searches like SDSS Quasar Lens Search even though the parent data set of STRIDES is purely photometric and our selection of candidates cannot rely on spectroscopic information.},

  doi          = {10.1093/mnras/sty2329},

  journal      = {Monthly Notices of the Royal Astronomical Society},

  number       = 1,

  volume       = 481,

  place        = {United States},

  year         = {Fri Aug 24 00:00:00 EDT 2018},

  month        = {Fri Aug 24 00:00:00 EDT 2018}

}

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The Hubble constant determined through an inverse distance ladder including quasar time delays and Type Ia supernovae
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Is every strong lens model unhappy in its own way? Uniform modelling of a sample of 13 quadruply+ imaged quasars
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H0LiCOW – IX. Cosmographic analysis of the doubly imaged quasar SDSS 1206+4332 and a new measurement of the Hubble constant
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Quasar lenses in the south: searches over the DES public footprint
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Double dark matter vision: twice the number of compact-source lenses with narrow-line lensing and the WFC3 grism
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Nierenberg, A. M.; Gilman, D.; Treu, T.
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Quasar Lenses in the South: searches over the DES public footprint
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Is every strong lens model unhappy in its own way? Uniform modelling of a sample of 13 quadruply+ imaged quasars
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Shajib, A. J.; Birrer, S.; Treu, T.
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H0LiCOW - IX. Cosmographic analysis of the doubly imaged quasar SDSS 1206+4332 and a new measurement of the Hubble constant
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Birrer, S.; Treu, T.; Rusu, C. E.
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Assessing the effect of lens mass model in cosmological application with updated galaxy-scale strong gravitational lensing sample
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Chen, Yun; Li, Ran; Shu, Yiping
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Bright lenses are easy to find: Spectroscopic confirmation of lensed quasars in the Southern Sky
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Spiniello, C.; Agnello, A.; Sergeyev, A. V.
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A SHARP view of H0LiCOW: $H_{0}$ from three time-delay gravitational lens systems with adaptive optics imaging
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Strong gravitational lensing of explosive transients
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Oguri, Masamune
arXiv
DOI: 10.48550/arxiv.1907.06830

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Citation Formats

Quasar lenses and galactic streams: outlier selection and Gaia multiplet detection journal, July 2017

Discovery of two gravitationally lensed quasars in the Dark Energy Survey journal, October 2015

Spectroscopy and high-resolution imaging of the gravitational lens SDSS J1206+4332 journal, March 2016

DES meets Gaia: discovery of strongly lensed quasars from a multiplet search journal, June 2018

Discovery and first models of the quadruply lensed quasar SDSS J1433+6007 journal, November 2017

Quasar lenses and pairs in the VST-ATLAS and Gaia journal, December 2017

The Sloan lens acs Survey. ix. Colors, Lensing, and Stellar Masses of Early-Type Galaxies journal, October 2009

SExtractor: Software for source extraction journal, June 1996

Gravitational lens Modeling with Basis sets journal, November 2015

The mass-sheet degeneracy and time-delay cosmography: analysis of the strong lens RXJ1131-1231 journal, August 2016

Lensing substructure quantification in RXJ1131-1231: a 2 keV lower bound on dark matter thermal relic mass journal, May 2017

The Sloan Lens ACS Survey. V. The Full ACS Strong‐Lens Sample journal, August 2008

H0LiCOW – V. New COSMOGRAIL time delays of HE 0435−1223: H 0 to 3.8 per cent precision from strong lensing in a flat ΛCDM model journal, November 2016

The Cosmic Lens All-Sky Survey - II. Gravitational lens candidate selection and follow-up journal, May 2003

Cosmological Parameters from the SDSS DR5 Velocity Dispersion Function of Early-Type Galaxies through Radio-selected Lens Statistics journal, March 2007

Internal and Collective Properties of Galaxies in the Sloan Digital Sky Survey journal, April 2007

The Population of Galaxy–Galaxy Strong Lenses in Forthcoming Optical Imaging Surveys journal, September 2015

COSMOGRAIL: the COSmological MOnitoring of GRAvItational Lenses: XVI. Time delays for the quadruply imaged quasar DES J0408−5354 with high-cadence photometric monitoring⋆ journal, January 2018

The Kilo-Degree Survey journal, August 2012

Direct Detection of Cold Dark Matter Substructure journal, June 2002

The Dark Energy Survey: more than dark energy – an overview journal, March 2016

H0LiCOW. VI. Testing the fidelity of lensed quasar host galaxy reconstruction journal, November 2016

Dark Energy Survey Year 1 Results: The Photometric Data Set for Cosmology journal, April 2018

High-Redshift Quasars Found in Sloan Digital Sky Survey Commissioning Data. IV. Luminosity Function from the Fall Equatorial Stripe Sample journal, January 2001

Gaia Data Release 2 : Summary of the contents and survey properties journal, August 2018

The Gaia mission journal, November 2016

The luminosity and stellar mass Fundamental Plane of early-type galaxies journal, June 2009

The Sloan Digital sky Survey Quasar lens Search. v. Final Catalog from the Seventh data Release journal, April 2012

THE SPITZER - WISE SURVEY OF THE ECLIPTIC POLES journal, June 2011

Time-delay cosmography: increased leverage with angular diameter distances journal, April 2016

Shear and Ellipticity in Gravitational Lenses journal, June 1997

Gaia GraL: Gaia DR2 gravitational lens systems : I. New quadruply imaged quasar candidates around known quasars journal, August 2018

Gravitationally lensed quasars in Gaia – II. Discovery of 24 lensed quasars journal, April 2018

Discovery of the Lensed Quasar System DES J0408-5354 journal, March 2017

Evidence for substructure in lens galaxies? journal, April 1998

CORRECTING THE z ∼ 8 GALAXY LUMINOSITY FUNCTION FOR GRAVITATIONAL LENSING MAGNIFICATION BIAS journal, May 2015

Compound Gravitational Lensing as a Probe of Dark Matter Substructure within Galaxy Halos journal, December 2001

The SDSS-III BOSS quasar lens survey: discovery of 13 gravitationally lensed quasars journal, December 2015

The Dark Energy Survey Image Processing Pipeline journal, May 2018

Probing the Broad-line Region and the Accretion Disk in the Lensed Quasars HE 0435-1223, WFI 2033-4723, and HE 2149-2745 Using Gravitational Microlensing journal, January 2017

Detection of substructure with adaptive optics integral field spectroscopy of the gravitational lens B1422+231 journal, June 2014

Probing dark matter substructure in the gravitational lens HE 0435−1223 with the WFC3 grism journal, June 2017

The Sloan Digital sky Survey Quasar lens Search. iii. Constraints on dark Energy from the Third data Release Quasar lens Catalog journal, January 2008

An atlas of predicted exotic gravitational lenses journal, October 2009

VDES J2325−5229 a z = 2.7 gravitationally lensed quasar discovered using morphology-independent supervised machine learning journal, November 2016

The discovery of a five-image lensed quasar at z = 3.34 using PanSTARRS1 and Gaia journal, October 2017

Probing the Coevolution of Supermassive Black Holes and Galaxies Using Gravitationally Lensed Quasar Hosts journal, October 2006

The Dark-Matter Fraction in the Elliptical Galaxy Lensing the Quasar pg 1115+080 journal, May 2009

On the Possibility of Determining Hubble's Parameter and the Masses of Galaxies from the Gravitational Lens Effect journal, September 1964

Colors of 2625 Quasars at 0 < [ITAL][CLC]z[/CLC][/ITAL] < 5 Measured in the Sloan Digital Sky Survey Photometric System journal, May 2001

The 2dF-SDSS LRG and QSO (2SLAQ) Survey: the z < 2.1 quasar luminosity function from 5645 quasars to g = 21.85 journal, July 2005

The Sloan Digital Sky Survey Quasar Survey: Quasar Luminosity Function from Data Release 3 journal, June 2006

A 2.4% Determination of the Local Value of the Hubble Constant journal, July 2016

New Parallaxes of Galactic Cepheids from Spatially Scanning the Hubble Space Telescope : Implications for the Hubble Constant journal, March 2018

Milky Way Cepheid Standards for Measuring Cosmic Distances and Application to Gaia DR2: Implications for the Hubble Constant journal, July 2018

H0LiCOW – III. Quantifying the effect of mass along the line of sight to the gravitational lens HE 0435−1223 through weighted galaxy counts★ journal, February 2017

The Quadruple Gravitational Lens PG 1115+080: Time Delays and Models journal, February 1997

A CALIBRATION OF THE STELLAR MASS FUNDAMENTAL PLANE AT z ∼ 0.5 USING THE MICRO-LENSING-INDUCED FLUX RATIO ANOMALIES OF MACRO-LENSED QUASARS , , journal, September 2014

First Lensed Quasar Systems from the VST-ATLAS Survey: One Quad, Two Doubles, and Two Pairs of Lensless Twins journal, April 2017

Mass-sheet degeneracy, power-law models and external convergence: Impact on the determination of the Hubble constant from gravitational lensing journal, November 2013

Improving time-delay cosmography with spatially resolved kinematics journal, September 2017

H0LiCOW – II. Spectroscopic survey and galaxy-group identification of the strong gravitational lens system HE 0435−1223 journal, June 2017

KiDS-SQuaD: The KiDS Strongly lensed Quasar Detection project journal, July 2018

Two Accurate Time-Delay Distances from Strong Lensing: Implications for Cosmology journal, March 2013

Cosmology from Gravitational lens time Delays and Planck data journal, June 2014

H0LiCOW – I. H0 Lenses in COSMOGRAIL's Wellspring: program overview journal, February 2017

Microlensing makes lensed quasar time delays significantly time variable journal, September 2017

Strong Lensing by Galaxies journal, August 2010

The internal structure of the lens PG1115+080: breaking degeneracies in the value of the Hubble constant journal, September 2002

Time delay cosmography journal, July 2016

The Sloan Lens ACS Survey. II. Stellar Populations and Internal Structure of Early‐Type Lens Galaxies journal, April 2006

The statistics of gravitational lenses - The distributions of image angular separations and lens redshifts journal, September 1984

scikit-image: image processing in Python journal, January 2014

Inference of the cold dark matter substructure mass function at z = 0.2 using strong gravitational lenses journal, June 2014

0957 + 561 A, B: twin quasistellar objects or gravitational lens? journal, May 1979

Uncondensed Matter in the Universe: Optical Evidence from Quasar Absorption Lines [and Discussion] journal, March 1980

Population mixtures and searches of lensed and extended quasars across photometric surveys journal, December 2016

Quasar lenses and galactic streams: outlier selection and Gaia multiplet detection
journal, July 2017

Discovery of two gravitationally lensed quasars in the Dark Energy Survey
journal, October 2015

Spectroscopy and high-resolution imaging of the gravitational lens SDSS J1206+4332
journal, March 2016

DES meets Gaia: discovery of strongly lensed quasars from a multiplet search
journal, June 2018

Discovery and first models of the quadruply lensed quasar SDSS J1433+6007
journal, November 2017

Quasar lenses and pairs in the VST-ATLAS and Gaia
journal, December 2017

The Sloan lens acs Survey. ix. Colors, Lensing, and Stellar Masses of Early-Type Galaxies
journal, October 2009

SExtractor: Software for source extraction
journal, June 1996

Gravitational lens Modeling with Basis sets
journal, November 2015

The mass-sheet degeneracy and time-delay cosmography: analysis of the strong lens RXJ1131-1231
journal, August 2016

Lensing substructure quantification in RXJ1131-1231: a 2 keV lower bound on dark matter thermal relic mass
journal, May 2017

The Sloan Lens ACS Survey. V. The Full ACS Strong‐Lens Sample
journal, August 2008

H0LiCOW – V. New COSMOGRAIL time delays of HE 0435−1223: H ₀ to 3.8 per cent precision from strong lensing in a flat ΛCDM model
journal, November 2016

The Cosmic Lens All-Sky Survey - II. Gravitational lens candidate selection and follow-up
journal, May 2003

Cosmological Parameters from the SDSS DR5 Velocity Dispersion Function of Early-Type Galaxies through Radio-selected Lens Statistics
journal, March 2007

Internal and Collective Properties of Galaxies in the Sloan Digital Sky Survey
journal, April 2007

The Population of Galaxy–Galaxy Strong Lenses in Forthcoming Optical Imaging Surveys
journal, September 2015

COSMOGRAIL: the COSmological MOnitoring of GRAvItational Lenses: XVI. Time delays for the quadruply imaged quasar DES J0408−5354 with high-cadence photometric monitoring⋆
journal, January 2018

The Kilo-Degree Survey
journal, August 2012

Direct Detection of Cold Dark Matter Substructure
journal, June 2002

The Dark Energy Survey: more than dark energy – an overview
journal, March 2016

H0LiCOW. VI. Testing the fidelity of lensed quasar host galaxy reconstruction
journal, November 2016

Dark Energy Survey Year 1 Results: The Photometric Data Set for Cosmology
journal, April 2018

High-Redshift Quasars Found in Sloan Digital Sky Survey Commissioning Data. IV. Luminosity Function from the Fall Equatorial Stripe Sample
journal, January 2001

Gaia Data Release 2 : Summary of the contents and survey properties
journal, August 2018

The Gaia mission
journal, November 2016

The luminosity and stellar mass Fundamental Plane of early-type galaxies
journal, June 2009

The Sloan Digital sky Survey Quasar lens Search. v. Final Catalog from the Seventh data Release
journal, April 2012

THE SPITZER - WISE SURVEY OF THE ECLIPTIC POLES
journal, June 2011

Time-delay cosmography: increased leverage with angular diameter distances
journal, April 2016

Shear and Ellipticity in Gravitational Lenses
journal, June 1997

Gaia GraL: Gaia DR2 gravitational lens systems : I. New quadruply imaged quasar candidates around known quasars
journal, August 2018

Gravitationally lensed quasars in Gaia – II. Discovery of 24 lensed quasars
journal, April 2018

Discovery of the Lensed Quasar System DES J0408-5354
journal, March 2017

Evidence for substructure in lens galaxies?
journal, April 1998

CORRECTING THE z ∼ 8 GALAXY LUMINOSITY FUNCTION FOR GRAVITATIONAL LENSING MAGNIFICATION BIAS
journal, May 2015

Compound Gravitational Lensing as a Probe of Dark Matter Substructure within Galaxy Halos
journal, December 2001

The SDSS-III BOSS quasar lens survey: discovery of 13 gravitationally lensed quasars
journal, December 2015

The Dark Energy Survey Image Processing Pipeline
journal, May 2018

Probing the Broad-line Region and the Accretion Disk in the Lensed Quasars HE 0435-1223, WFI 2033-4723, and HE 2149-2745 Using Gravitational Microlensing
journal, January 2017

Detection of substructure with adaptive optics integral field spectroscopy of the gravitational lens B1422+231
journal, June 2014

Probing dark matter substructure in the gravitational lens HE 0435−1223 with the WFC3 grism
journal, June 2017

The Sloan Digital sky Survey Quasar lens Search. iii. Constraints on dark Energy from the Third data Release Quasar lens Catalog
journal, January 2008

An atlas of predicted exotic gravitational lenses
journal, October 2009

VDES J2325−5229 a z = 2.7 gravitationally lensed quasar discovered using morphology-independent supervised machine learning
journal, November 2016

The discovery of a five-image lensed quasar at z = 3.34 using PanSTARRS1 and Gaia
journal, October 2017

Probing the Coevolution of Supermassive Black Holes and Galaxies Using Gravitationally Lensed Quasar Hosts
journal, October 2006

The Dark-Matter Fraction in the Elliptical Galaxy Lensing the Quasar pg 1115+080
journal, May 2009

On the Possibility of Determining Hubble's Parameter and the Masses of Galaxies from the Gravitational Lens Effect
journal, September 1964

Colors of 2625 Quasars at 0 < [ITAL][CLC]z[/CLC][/ITAL] < 5 Measured in the Sloan Digital Sky Survey Photometric System
journal, May 2001

The 2dF-SDSS LRG and QSO (2SLAQ) Survey: the z < 2.1 quasar luminosity function from 5645 quasars to g = 21.85
journal, July 2005

The Sloan Digital Sky Survey Quasar Survey: Quasar Luminosity Function from Data Release 3
journal, June 2006

A 2.4% Determination of the Local Value of the Hubble Constant
journal, July 2016

New Parallaxes of Galactic Cepheids from Spatially Scanning the Hubble Space Telescope : Implications for the Hubble Constant
journal, March 2018

Milky Way Cepheid Standards for Measuring Cosmic Distances and Application to Gaia DR2: Implications for the Hubble Constant
journal, July 2018

H0LiCOW – III. Quantifying the effect of mass along the line of sight to the gravitational lens HE 0435−1223 through weighted galaxy counts★
journal, February 2017

The Quadruple Gravitational Lens PG 1115+080: Time Delays and Models
journal, February 1997

A CALIBRATION OF THE STELLAR MASS FUNDAMENTAL PLANE AT z ∼ 0.5 USING THE MICRO-LENSING-INDUCED FLUX RATIO ANOMALIES OF MACRO-LENSED QUASARS ^, ^,
journal, September 2014

First Lensed Quasar Systems from the VST-ATLAS Survey: One Quad, Two Doubles, and Two Pairs of Lensless Twins
journal, April 2017

Mass-sheet degeneracy, power-law models and external convergence: Impact on the determination of the Hubble constant from gravitational lensing
journal, November 2013

Improving time-delay cosmography with spatially resolved kinematics
journal, September 2017

H0LiCOW – II. Spectroscopic survey and galaxy-group identification of the strong gravitational lens system HE 0435−1223
journal, June 2017

KiDS-SQuaD: The KiDS Strongly lensed Quasar Detection project
journal, July 2018

Two Accurate Time-Delay Distances from Strong Lensing: Implications for Cosmology
journal, March 2013

Cosmology from Gravitational lens time Delays and Planck data
journal, June 2014

H0LiCOW – I. H0 Lenses in COSMOGRAIL's Wellspring: program overview
journal, February 2017

Microlensing makes lensed quasar time delays significantly time variable
journal, September 2017

Strong Lensing by Galaxies
journal, August 2010

The internal structure of the lens PG1115+080: breaking degeneracies in the value of the Hubble constant
journal, September 2002

Time delay cosmography
journal, July 2016

The Sloan Lens ACS Survey. II. Stellar Populations and Internal Structure of Early‐Type Lens Galaxies
journal, April 2006

The statistics of gravitational lenses - The distributions of image angular separations and lens redshifts
journal, September 1984

scikit-image: image processing in Python
journal, January 2014

Inference of the cold dark matter substructure mass function at z = 0.2 using strong gravitational lenses
journal, June 2014

0957 + 561 A, B: twin quasistellar objects or gravitational lens?
journal, May 1979

Uncondensed Matter in the Universe: Optical Evidence from Quasar Absorption Lines [and Discussion]
journal, March 1980

Population mixtures and searches of lensed and extended quasars across photometric surveys
journal, December 2016

Discovery of three strongly lensed quasars in the Sloan Digital Sky Survey
journal, March 2018

H0LiCOW – IV. Lens mass model of HE 0435−1223 and blind measurement of its time-delay distance for cosmology
journal, November 2016

The Hubble constant determined through an inverse distance ladder including quasar time delays and Type Ia supernovae
journal, August 2019