DES meets Gaia: discovery of strongly lensed quasars from a multiplet search
Abstract
We report the discovery, spectroscopic confirmation, and first lens models of the first, strongly lensed quasars from a combined search in WISE and Gaia-DR1 over the DES footprint. Their Einstein radii span a range between ≈2.0 arcsec and ≈0.4 arcsec. Two of these (WGD2038-4008, RA = 20:38:02.65, Dec. = -40:08:14.64; WGD2021-4115, RA = 20:21:39.45, Dec. = -41:15:57.11) also have confirmed deflector redshifts. The four-image lens WGD2038-4008, with source and deflector redshifts s = 0.777 ± 0.001 and zl = 0.230 ± 0.002, respectively, has a deflector with radius Reff ≈ 3.4 arcsec, stellar mass log(M*/M⊙) = 11.64 + 0.20 -0.43, and extended isophotal shape variation. Simple lens models yield Einstein radii RE = (1.30 ± 0.04) arcsec, axis ratio q = 0.75 ± 0.1 (compatible with that of the starlight) and considerable shear-ellipticity degeneracies. The two-image lens WGD2021-4115 has zs = 1.390 ± 0.001 and zl = 0.335 ± 0.002, and Einstein radius RE = (1.1 ± 0.1) arcsec, but higher-resolution imaging is needed to accurately separate the deflector and faint quasar image. Analogous lens model degeneracies hold for the other six lenses (J0146-1133, J0150-4041, J0235-2433, J0245-0556, J0259-2338, and J0508-2748) shown in this paper.
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- European Southern Observatory, Karl-Schwarzschild-Strasse 2, D-85748 Garching bei München, Germany
- Fermi National Accelerator Laboratory, Batavia, IL 60510, USA
- Departamento de Ciencias Fisicas, Universidad Andres Bello Fernandez Concha 700, Las Condes, Santiago, Chile
- MIT Kavli Institute for Astrophysics and Space Research, 37-664G, 77 Massachusetts Avenue, Cambridge, MA 02139, USA
- Department of Physics and Astronomy, PAB, 430 Portola Plaza, Box 951547, Los Angeles, CA 90095, USA
- Instituto de Fsica y Astronoma, Universidad de Valparaso, Avda. Gran Bretaña 1111, Playa Ancha, Valparaso 2360102, Chile
- Institute for Astronomy, Department of Physics, ETH Zurich, Wolfgang-Pauli-Strasse 27, CH-8093, Zurich, Switzerland
- Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK
- Laboratoire d’Astrophysique, Ecole Polytechnique Fédérale de Lausanne (EPFL), Observatoire de Sauverny, CH-1290 Versoix, Switzerland
- Department of Physics, University of California Davis, 1 Shields Avenue, Davis, CA 95616, USA
- Kavli IPMU (WPI), UTIAS, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan
- Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, 452 Lomita Mall, Stanford, CA 94305, USA
- Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK; Kavli Institute for Cosmology, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK
- Max-Planck-Institut fr Astrophysik, Karl-Schwarzschild-Str. 1, D-85741 Garching, Germany
- Centre for Astrophysics and Supercomputing, Swinburne University of Technology, PO Box 218, Hawthorn, VIC 3122, Australia
- Staples High School, Westport, C 06880, USA
- Cerro Tololo Inter-American Observatory, National Optical Astronomy Observatory, Casilla 603, La Serena, Chile
- Department of Physics and Astronomy, University College London, Gower Street, London, WC1E 6BT, UK; Department of Physics and Electronics, Rhodes University, PO Box 94, Grahamstown, 6140, South Africa
- Department of Physics and Astronomy, University College London, Gower Street, London, WC1E 6BT, UK; CNRS, UMR 7095, Institut d’Astrophysique de Paris, F-75014, Paris, France; Sorbonne Universités, UPMC Univ Paris 06, UMR 7095, Institut d’Astrophysique de Paris, F-75014, Paris, France
- CNRS, UMR 7095, Institut d’Astrophysique de Paris, F-75014, Paris, France; Sorbonne Universités, UPMC Univ Paris 06, UMR 7095, Institut d’Astrophysique de Paris, F-75014, Paris, France
- Observatories of the Carnegie Institution of Washington, 813 Santa Barbara St., Pasadena, CA 91101, USA
- Department of Physics and Astronomy, University College London, Gower Street, London, WC1E 6BT, UK
- Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, 452 Lomita Mall, Stanford, CA 94305, USA; Department of Physics, Stanford University, 382 Via Pueblo Mall, Stanford, CA 94305, USA
- 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
- Institut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, E-08193 Bellaterra (Barcelona), Spain
- Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104, USA
- Department of Physics, IIT Hyderabad, Kandi, Telangana 502285, India
- Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Dr., Pasadena, CA 91109, USA; Department of Physics, California Institute of Technology, Pasadena, CA 91125, USA
- Instituto de Fisica Teorica UAM/CSIC, Universidad Autonoma de Madrid, E-28049 Madrid, Spain
- Institut de Ciències de l’Espai, IEEC-CSIC, Campus UAB, Carrer de Can Magrans, s/n, E-08193 Bellaterra, Barcelona, Spain
- Department of Physics, University of Michigan, Ann Arbor, MI 48109, USA; Department of Astronomy, University of Michigan, Ann Arbor, MI 48109, 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 Astronomy, University of Illinois, 1002 W. Green Street, Urbana, IL 61801, USA; National Center for Supercomputing Applications, 1205 West Clark St., Urbana, IL 61801, 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
- Astronomy Department, University of Washington, Box 351580, Seattle, WA 98195, USA
- Australian Astronomical Observatory, North Ryde, NSW 2113, Australia
- 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; Departamento de Física Matemática, Instituto de Física, Universidade de São Paulo, CP 66318, CEP 05314-970, São Paulo, SP, Brazil
- Institut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, E-08193 Bellaterra (Barcelona), Spain; Instituto de Física, UFRGS, Caixa Postal 15051, Porto Alegre, RS 91501-970, Brazil
- Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Dr., Pasadena, CA 91109, USA
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), F-28040 Madrid, Spain
- 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
- 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 St., Urbana, IL 61801, USA
- Department of Physics, Stanford University, 382 Via Pueblo Mall, Stanford, CA 94305, USA
- Publication Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (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:
- 1413680
- Alternate Identifier(s):
- OSTI ID: 1468026
- Report Number(s):
- FERMILAB-PUB-17-558-A-AE; arXiv:1711.03971
Journal ID: ISSN 0035-8711; 1635831
- Grant/Contract Number:
- AC02-07CH11359; AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Monthly Notices of the Royal Astronomical Society
- Additional Journal Information:
- Journal Volume: 479; Journal Issue: 4; 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; techniques: image processing; surveys
Citation Formats
Agnello, A., Lin, H., Kuropatkin, N., Buckley-Geer, E., Anguita, T., Schechter, P. L., Morishita, T., Motta, V., Rojas, K., Treu, T., Amara, A., Auger, M. W., Courbin, F., Fassnacht, C. D., Frieman, J., More, A., Marshall, P. J., McMahon, R. G., Meylan, G., Suyu, S. H., Glazebrook, K., Morgan, N., Nord, B., Abbott, T. M. C., Abdalla, F. B., Annis, J., Bechtol, K., Benoit-Lévy, A., Bertin, E., Bernstein, R. A., Brooks, D., Burke, D. L., Rosell, A. Carnero, Carretero, J., Cunha, C. E., D’Andrea, C. B., da Costa, L. N., Desai, S., Drlica-Wagner, A., Eifler, T. F., Flaugher, B., García-Bellido, J., Gaztanaga, E., Gerdes, D. W., Gruen, D., Gruendl, R. A., Gschwend, J., Gutierrez, G., Honscheid, K., James, D. J., Kuehn, K., Lahav, O., Lima, M., Maia, M. A. G., March, M., Menanteau, F., Miquel, R., Ogando, R. L. C., Plazas, A. A., Sanchez, E., Scarpine, V., Schindler, R., Schubnell, M., Sevilla-Noarbe, I., Smith, M., Soares-Santos, M., Sobreira, F., Suchyta, E., Swanson, M. E. C., Tarle, G., Tucker, D., and Wechsler, R. DES meets Gaia: discovery of strongly lensed quasars from a multiplet search. United States: N. p., 2018.
Web. doi:10.1093/mnras/sty1419.
Agnello, A., Lin, H., Kuropatkin, N., Buckley-Geer, E., Anguita, T., Schechter, P. L., Morishita, T., Motta, V., Rojas, K., Treu, T., Amara, A., Auger, M. W., Courbin, F., Fassnacht, C. D., Frieman, J., More, A., Marshall, P. J., McMahon, R. G., Meylan, G., Suyu, S. H., Glazebrook, K., Morgan, N., Nord, B., Abbott, T. M. C., Abdalla, F. B., Annis, J., Bechtol, K., Benoit-Lévy, A., Bertin, E., Bernstein, R. A., Brooks, D., Burke, D. L., Rosell, A. Carnero, Carretero, J., Cunha, C. E., D’Andrea, C. B., da Costa, L. N., Desai, S., Drlica-Wagner, A., Eifler, T. F., Flaugher, B., García-Bellido, J., Gaztanaga, E., Gerdes, D. W., Gruen, D., Gruendl, R. A., Gschwend, J., Gutierrez, G., Honscheid, K., James, D. J., Kuehn, K., Lahav, O., Lima, M., Maia, M. A. G., March, M., Menanteau, F., Miquel, R., Ogando, R. L. C., Plazas, A. A., Sanchez, E., Scarpine, V., Schindler, R., Schubnell, M., Sevilla-Noarbe, I., Smith, M., Soares-Santos, M., Sobreira, F., Suchyta, E., Swanson, M. E. C., Tarle, G., Tucker, D., & Wechsler, R. DES meets Gaia: discovery of strongly lensed quasars from a multiplet search. United States. https://doi.org/10.1093/mnras/sty1419
Agnello, A., Lin, H., Kuropatkin, N., Buckley-Geer, E., Anguita, T., Schechter, P. L., Morishita, T., Motta, V., Rojas, K., Treu, T., Amara, A., Auger, M. W., Courbin, F., Fassnacht, C. D., Frieman, J., More, A., Marshall, P. J., McMahon, R. G., Meylan, G., Suyu, S. H., Glazebrook, K., Morgan, N., Nord, B., Abbott, T. M. C., Abdalla, F. B., Annis, J., Bechtol, K., Benoit-Lévy, A., Bertin, E., Bernstein, R. A., Brooks, D., Burke, D. L., Rosell, A. Carnero, Carretero, J., Cunha, C. E., D’Andrea, C. B., da Costa, L. N., Desai, S., Drlica-Wagner, A., Eifler, T. F., Flaugher, B., García-Bellido, J., Gaztanaga, E., Gerdes, D. W., Gruen, D., Gruendl, R. A., Gschwend, J., Gutierrez, G., Honscheid, K., James, D. J., Kuehn, K., Lahav, O., Lima, M., Maia, M. A. G., March, M., Menanteau, F., Miquel, R., Ogando, R. L. C., Plazas, A. A., Sanchez, E., Scarpine, V., Schindler, R., Schubnell, M., Sevilla-Noarbe, I., Smith, M., Soares-Santos, M., Sobreira, F., Suchyta, E., Swanson, M. E. C., Tarle, G., Tucker, D., and Wechsler, R. Mon .
"DES meets Gaia: discovery of strongly lensed quasars from a multiplet search". United States. https://doi.org/10.1093/mnras/sty1419. https://www.osti.gov/servlets/purl/1413680.
@article{osti_1413680,
title = {DES meets Gaia: discovery of strongly lensed quasars from a multiplet search},
author = {Agnello, A. and Lin, H. and Kuropatkin, N. and Buckley-Geer, E. and Anguita, T. and Schechter, P. L. and Morishita, T. and Motta, V. and Rojas, K. and Treu, T. and Amara, A. and Auger, M. W. and Courbin, F. and Fassnacht, C. D. and Frieman, J. and More, A. and Marshall, P. J. and McMahon, R. G. and Meylan, G. and Suyu, S. H. and Glazebrook, K. and Morgan, N. and Nord, B. and Abbott, T. M. C. and Abdalla, F. B. and Annis, J. and Bechtol, K. and Benoit-Lévy, A. and Bertin, E. and Bernstein, R. A. and Brooks, D. and Burke, D. L. and Rosell, A. Carnero and Carretero, J. and Cunha, C. E. and D’Andrea, C. B. and da Costa, L. N. and Desai, S. and Drlica-Wagner, A. and Eifler, T. F. and Flaugher, B. and García-Bellido, J. and Gaztanaga, E. and Gerdes, D. W. and Gruen, D. and Gruendl, R. A. and Gschwend, J. and Gutierrez, G. and Honscheid, K. and James, D. J. and Kuehn, K. and Lahav, O. and Lima, M. and Maia, M. A. G. and March, M. and Menanteau, F. and Miquel, R. and Ogando, R. L. C. and Plazas, A. A. and Sanchez, E. and Scarpine, V. and Schindler, R. and Schubnell, M. and Sevilla-Noarbe, I. and Smith, M. and Soares-Santos, M. and Sobreira, F. and Suchyta, E. and Swanson, M. E. C. and Tarle, G. and Tucker, D. and Wechsler, R.},
abstractNote = {We report the discovery, spectroscopic confirmation, and first lens models of the first, strongly lensed quasars from a combined search in WISE and Gaia-DR1 over the DES footprint. Their Einstein radii span a range between ≈2.0 arcsec and ≈0.4 arcsec. Two of these (WGD2038-4008, RA = 20:38:02.65, Dec. = -40:08:14.64; WGD2021-4115, RA = 20:21:39.45, Dec. = -41:15:57.11) also have confirmed deflector redshifts. The four-image lens WGD2038-4008, with source and deflector redshifts s = 0.777 ± 0.001 and zl = 0.230 ± 0.002, respectively, has a deflector with radius Reff ≈ 3.4 arcsec, stellar mass log(M*/M⊙) = 11.64 + 0.20 -0.43, and extended isophotal shape variation. Simple lens models yield Einstein radii RE = (1.30 ± 0.04) arcsec, axis ratio q = 0.75 ± 0.1 (compatible with that of the starlight) and considerable shear-ellipticity degeneracies. The two-image lens WGD2021-4115 has zs = 1.390 ± 0.001 and zl = 0.335 ± 0.002, and Einstein radius RE = (1.1 ± 0.1) arcsec, but higher-resolution imaging is needed to accurately separate the deflector and faint quasar image. Analogous lens model degeneracies hold for the other six lenses (J0146-1133, J0150-4041, J0235-2433, J0245-0556, J0259-2338, and J0508-2748) shown in this paper.},
doi = {10.1093/mnras/sty1419},
journal = {Monthly Notices of the Royal Astronomical Society},
number = 4,
volume = 479,
place = {United States},
year = {Mon Jun 04 00:00:00 EDT 2018},
month = {Mon Jun 04 00:00:00 EDT 2018}
}
Web of Science
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High-resolution spatial analysis of a z ∼ 2 lensed galaxy using adaptive coadded source-plane reconstruction
journal, August 2018
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- Monthly Notices of the Royal Astronomical Society, Vol. 481, Issue 2
Gravitationally lensed quasars in Gaia – III. 22 new lensed quasars from Gaia data release 2
journal, December 2018
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- Monthly Notices of the Royal Astronomical Society, Vol. 483, Issue 3
Is every strong lens model unhappy in its own way? Uniform modelling of a sample of 13 quadruply+ imaged quasars
journal, December 2018
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- Monthly Notices of the Royal Astronomical Society, Vol. 483, Issue 4
Quasar lenses in the south: searches over the DES public footprint
journal, August 2019
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- Monthly Notices of the Royal Astronomical Society, Vol. 489, Issue 2
A SHARP view of H0LiCOW: H0 from three time-delay gravitational lens systems with adaptive optics imaging
journal, September 2019
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- Monthly Notices of the Royal Astronomical Society, Vol. 490, Issue 2
Warm dark matter chills out: constraints on the halo mass function and the free-streaming length of dark matter with eight quadruple-image strong gravitational lenses
journal, December 2019
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Double dark matter vision: twice the number of compact-source lenses with narrow-line lensing and the WFC3 grism
journal, December 2019
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Even Simpler Modeling of Quadruply Lensed Quasars (and Random Quartets) Using Witt's Hyperbola
journal, April 2019
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Constraining the microlensing effect on time delays with new time-delay prediction model in $H_{0}$ measurements
text, January 2018
- Chen, Geoff C. -F.; Chan, James H. H.; Bonvin, Vivien
- arXiv
Quasar Lenses in the South: searches over the DES public footprint
text, January 2018
- Agnello, Adriano; Spiniello, Chiara
- arXiv
Is every strong lens model unhappy in its own way? Uniform modelling of a sample of 13 quadruply+ imaged quasars
text, January 2018
- Shajib, A. J.; Birrer, S.; Treu, T.
- arXiv
Even simpler modeling of quadruply lensed quasars (and random quartets) using Witt's hyperbola
text, January 2019
- Schechter, Paul L.; Wynne, Raymond A.
- arXiv
A SHARP view of H0LiCOW: $H_{0}$ from three time-delay gravitational lens systems with adaptive optics imaging
text, January 2019
- Chen, Geoff C. -F.; Fassnacht, Christopher D.; Suyu, Sherry. H.
- arXiv
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