• Landleven12, Gebouw 5419, ruimte 0160

    9747 AD Groningen

    Netherlands

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  • 2018

    Constrained Least Squares for Extended Complex Factor Analysis

    Mouri Sardarabadi, A., van der Veen, A.-J. & Koopmans, L. V. E., 1-Jul-2018, 2018 IEEE 10th Sensor Array and Multichannel Signal Processing Workshop (SAM). IEEE, p. 169-173 5 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

  • Current Status of the LOFAR EoR Key Science Project

    Koopmans, L. V. E. & Team, L. E. K., 1-May-2018, Peering towards Cosmic Dawn. Jeli, V. & van der Hulst, T. (eds.). International Astronomical Union, Vol. 333. p. 71-76 6 p. (IAU Symposium S333; vol. 12).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

    Open Access
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    3 Citations (Scopus)
    231 Downloads (Pure)
  • Efficient Calibration of Radio Interferometers Using Block LDU Decomposition

    Mouri Sardarabadi, A., van der Veen, A.-J. & Koopmans, L. V. E., 1-Sept-2018, 2018 26th European Signal Processing Conference (EUSIPCO). IEEE, p. 2688-2692 5 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

    Open Access
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    1 Citation (Scopus)
    16 Downloads (Pure)
  • Robust Foregrounds Removal for 21-cm Experiments

    Mertens, F., Ghosh, A. & Koopmans, L. ~. ~., 1-May-2018, Peering towards Cosmic Dawn. Jeli, V. & van der Hulst, T. (eds.). International Astronomical Union, p. 284-287 4 p. (Peering towards Cosmic Dawn; vol. 333).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

    Open Access
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    1 Citation (Scopus)
    78 Downloads (Pure)
  • 2016

    Early type galaxies and structural parameters from ESO public survey KiDS

    KiDS collaboration, 2016, The Universe of Digital Sky Surveys - A Meeting to Honour the 70th Birthday of Massimo Capaccioli. Napolitano, N. R., Marconi, M., Iodice, E., Longo, G. & Paolillo, M. (eds.). Springer Science and Business Media B.V., p. 135-138 4 p. (Astrophysics and Space Science Proceedings; vol. 42).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    Open Access
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    28 Downloads (Pure)
  • Galaxy evolutionwithin the kilo-degree survey

    KiDS collaboration, 1-Jan-2016, The Universe of Digital Sky Surveys - A Meeting to Honour the 70th Birthday of Massimo Capaccioli. Napolitano, N. R., Marconi, M., Iodice, E., Longo, G. & Paolillo, M. (eds.). Springer Science and Business Media B.V., p. 123-128 6 p. (Astrophysics and Space Science Proceedings; vol. 42).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    Open Access
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    26 Downloads (Pure)
  • Gravitationally imaging dark matter

    Vegetti, S., Treu, T., Auger, M., Fassnacht, C., McKean, J., Koopmans, L. & Rybak, M., 1-Feb-2016, Astrophysics of Dark Matter. p. 4 1 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

  • Searching for galaxy clusters in the VST-KIDS survey

    KiDS collaboration, Radovich, M., Puddu, E., Bellagamba, F., Moscardini, L., Roncarelli, M., Getman, F., Grado, A., Amaro, V., Amon, A., Applegate, D., Asgari, M., Begeman, K., Belikov, A., Bilicki, M., Blake, C., Eriksen, M. B., Boxhoorn, D., Brescia, M. & Brouwer, M. & 31 others, Buddelmeijer, H., Buddendiek, A., Cacciato, M., Cai, Y., Capaccioli, M., Cavuoti, S., Chisari, E., Choi, A., Cordes, O. M., Covone, G., Dal’Ora, M., Jong, J. D., Dvornik, A., Edge, A., Erben, T., Conti, I. F., Franse, J., Georgiou, C., Giblin, B., Déraps, J. H., Helmich, E., Herbonnet, R., Koopmans, L., McFarland, J., Napolitano, N., Peletier, R., Sikkema, G., Tortora, C., Valentijn, E., Kleijn, G. V. & Vriend, W. J., 2016, The Universe of Digital Sky Surveys - A Meeting to Honour the 70th Birthday of Massimo Capaccioli. Longo, G., Paolillo, M., Napolitano, N. R., Marconi, M. & Iodice, E. (eds.). Cham: Springer, p. 189-195 7 p. (Astrophysics and Space Science Proceedings; vol. 42).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    Open Access
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    2 Citations (Scopus)
    77 Downloads (Pure)
  • 2015

    Dissecting the 3D structure of elliptical galaxies with gravitational lensing and stellar kinematics

    Barnabè, M., Spiniello, C. & Koopmans, L. V. E., Feb-2015, IAU Symposium. IAU, p. 77-80

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

    2 Citations (Scopus)
  • The Cosmic Dawn and Epoch of Reionisation with SKA

    Koopmans, L., Pritchard, J., Mellema, G., Aguirre, J., Ahn, K., Barkana, R., van Bemmel, I., Bernardi, G., Bonaldi, A., Briggs, F., de Bruyn, A. G., Chang, T. C., Chapman, E., Chen, X., Ciardi, B., Dayal, P., Ferrara, A., Fialkov, A., Fiore, F. & Ichiki, K. & 24 others, Illiev, I. T., Inoue, S., Jelic, V., Jones, M., Lazio, J., Maio, U., Majumdar, S., Mack, K. J., Mesinger, A., Morales, M. F., Parsons, A., Pen, U. L., Santos, M., Schneider, R., Semelin, B., de Souza, R. S., Subrahmanyan, R., Takeuchi, T., Vedantham, H., Wagg, J., Webster, R., Wyithe, S., Datta, K. K. & Trott, C., 1-Apr-2015, Proceedings of science.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    Open Access
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    168 Downloads (Pure)
  • 2014

    Maximum likelihood inversion of simulated LOFAR data

    Ghosh, A. & Koopmans, L. V. ~., 1-Jan-2014, Astronomical Society of India Conference Series. Rajiva, S. (ed.). D. J. Saikia, NCRA, TIFR for the Astronomical Society of India, Vol. 13. p. 319-320 2 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    Open Access
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    43 Downloads (Pure)
  • Micro-Jy imaging at 150 MHz for the LOFAR EoR project

    Brentjens, M. A., Yatawatta, S., Pandey, V., Jelic, V., de Bruyn, A. G., Koopmans, L. & Zaroubi, S., Jan-2014, American Astronomical Society Meeting Abstracts. p. 127.05

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

  • The dark ages, cosmic dawn and epoch of reionization seen at radio wavelengths

    Koopmans, L. V. E., 1-Jan-2014, Astronomical Society of India Conference Series. Vol. 13. p. 219-225 7 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

  • 2013

    LEDDB: LOFAR Epoch of Reionization Diagnostic Database

    Martinez-Rubi, O., Veligatla, V. K., de Bruyn, A. G., Lampropoulos, P., Offringa, A. R., Jelic, V., Yatawatta, S., Koopmans, L. V. E. & Zaroubi, S., Oct-2013, Astronomical Data Analysis Software and Systems XXII: Proceedings of a Conference held at University of Illinois, Champaign, Illinois, USA 4-8 November 2012. San Francisco: Astronomical Society of the Pacific. San Francisco, p. 377-378 1 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

  • 2012

    CAULDRON: Combining lensing and dynamics

    Barnabè, M., Koopmans, L., Czoske, O., Treu, T., Dutton, A., Auger, M., Marshall, P., Brewer, B. & Bolton, A., Apr-2012, Dynamics Meets Kinematic Tracers. p. 14 1 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

  • The Orphan Lenses Project

    Moustakas, L. A., Brownstein, J., Fadely, R., Fassnacht, C. D., Gavazzi, R., Goodsall, T., Griffith, R. L., Keeton, C. R., Kneib, J. P., Koekemoer, A., Koopmans, L. V. E., Marshall, P. J., Merten, J., Metcalf, R. B., Oguri, M., Papovich, C., Rein, H., Ryan, R., Stewart, K. R. & Treu, T., Jan-2012, American Astronomical Society Meeting Abstracts. p. 146.01

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

  • 2010

    JD1-Dark Matter in Early-type Galaxies: Overview

    Koopmans, L. V. E. & Treu, T., 2010, Highlights of Astronomy. Corbett, I. (ed.). Cambridge: Cambridge University Press, Vol. 15. p. 61-64 4 p. (IAU Symposium Proceedings Series; vol. 15).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

  • JD1 - Dark Matter in Early-type Galaxies: Overview

    Koopmans, L. V. E. & Treu, T., Nov-2010, Cover and Back matter. Corbett, I. F. (ed.). Cambridge University Press, Vol. 15. p. 61-64 4 p. (Highlights of Astronomy (1968-2005); vol. S357).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

  • 2009

    Integral-Field Spectroscopy of SLACS Lenses

    Czoske, O., Barnabè, M. & Koopmans, L. V. E., 2009, PROBING STELLAR POPULATIONS OUT TO THE DISTANT UNIVERSE. Antonelli, L., Limongi, M., Menci, N., Tornambe, A., Brocato, E. & Raimondo, G. (eds.). MELVILLE: AMER INST PHYSICS, p. 137-140 4 p. (AIP Conference Proceedings; vol. 1111).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    Open Access
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    2 Citations (Scopus)
    173 Downloads (Pure)
  • Radio Interferometric Calibration Using The SAGE Algorithm

    Yatawatta, S., Zaroubi, S., de Bruyn, G., Koopmans, L. & Noordam, J., 2009, 2009 IEEE 13TH DIGITAL SIGNAL PROCESSING WORKSHOP & 5TH IEEE PROCESSING EDUCATION WORKSHOP, VOLS 1 AND 2, PROCEEDINGS. NEW YORK: IEEE (The Institute of Electrical and Electronics Engineers), p. 150-155 6 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    25 Citations (Scopus)
  • Strong Gravitational Lensing as a Probe of Gravity, Dark-Matter and Super-Massive Black Holes

    Koopmans, L. V. E., Barnabe, M., Bolton, A., Bradac, M., Ciotti, L., Congdon, A., Czoske, O., Dye, S., Dutton, A., Elliasdottir, A., Evans, E., Fassnacht, C. ~., Jackson, N., Keeton, C., Lasio, J., Moustakas, L., Meneghetti, M., Myers, S., Nipoti, C. & Suyu, S. & 4 others, van de Ven, G., Vegetti, S., Wucknitz, O. & Zhao, H.-S., 1-Jan-2009, astro2010: The Astronomy and Astrophysics Decadal Survey. Vol. 2010. p. 159 1 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

  • Strong gravitational lensing probes of the particle nature of dark matter

    Moustakas, L. A., Abazajian, K., Benson, A., Bolton, A. S., Bullock, J. S., Chen, J., Cheng, E., Coe, D., Congdon, A. B., Dalal, N., Diemand, J., Dobke, B. M., Dobler, G., Dore, O., Dutton, A., Ellis, R., Fassnacht, C. D., Ferguson, H., Finkbeiner, D. & Gavassi, R. & 27 others, High, F. W., Jeltema, T., Jullo, E., Kaplinghat, M., Keeton, C. R., Kneib, J.-P., Koopmans, L. V. ~., Koishiappas, S. M., Kuhlen, M., Kusenko, A., Lawrence, C. R., Loeb, A., Madae, P., Marshall, P., Metcalf, R. B., Natarajan, P., Primack, J. R., Profumo, S., Seiffert, M. D., Simon, J., Stern, D., Strigari, L., Taylor, J. E., Wayth, R., Wambsganss, J., Wechsler, R. & Zentner, A., 1-Jan-2009, astro2010: The Astronomy and Astrophysics Decadal Survey. Vol. 2010. p. 214 1 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

  • 2008

    Strong Gravitational Lensing: Bright Galaxies amp; Lost Dark-Matter

    Koopmans, L. ~. ~., 1-May-2008, Dark Galaxies and Lost Baryons. Davies, J. I. & Disney, M. J. (eds.). Vol. 244. p. 196-205 10 p. (IAU Symposium).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    Open Access
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    213 Downloads (Pure)
  • 2006

    Gravitational lensing & stellar dynamics

    Koopmans, L. V. E., 2006, Mass Profiles and Shapes of Cosmological Structures. Mamon, G., Combes, F., Deffayet, C. & Fort, B. (eds.). CEDEX A: E D P SCIENCES, p. 161-166 6 p. (EAS PUBLICATIONS SERIES; vol. 20).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    25 Citations (Scopus)
  • HST ACS Observations of the Gravitational Lens B1608+656

    Suyu, S. H., Blandford, R. ~., Fassnacht, C. ~., Koopmans, L. ~., Marshall, P. ~., McKean, J. ~. & Treu, T., 1-Dec-2006, American Astronomical Society Meeting Abstracts. Vol. 209. p. 21.02

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

  • Joint Lensing and Stellar Dynamics of Galaxies

    Koopmans, L., 1-Oct-2006, KITP Conference: Applications of Gravitational Lensing: Unique Insights into Galaxy Formation and Evolution. p. 20 1 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

  • Strong Gravitational Lensing: Galaxy Structure and Evolution

    Koopmans, L., 2006, "Proceedings of Bernard's Cosmic Stories: from primordial fluctuations to the birth of stars and galaxies. UIMP, p. 35

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

  • 2005

    Galaxy Groups Associated with Gravitational Lenses and H0 from B1608+656

    Fassnacht, C., Lubin, L., McKean, J., Gal, R., Squires, G., Koopmans, L., Treu, T., Blandford, R. & Rusin, D., 1-Jun-2005, Impact of gravitational lensing on cosmology: Proceedings of the 225th Symposium of the International Astronomical Union held at the Ecole Polytechnique Federale de Lausanne Switzerland July 19-23, 2004. Mellier, Y. & Meylan, G. (eds.). Cambridge University Press, Vol. 225. p. 311-317 7 p. (Proceedings of the International Astronomical Union; vol. 225).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

  • Radio Microlensing: Past, Present amp; Near Future

    Koopmans, L. ~. ~., de Bruyn, A. ~., Fassnacht, C. ~., Wambsganss, J., Blandford, R. ~. & Collaboration, C., 1-Jan-2005, New Cosmological Data and the Values of the Fundamental Parameters. Lasenby, A. N. & Wilkinson, A. (eds.). Vol. 201. p. 478 1 p. (IAU Symposium).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

  • 2004

    The dark matter halos of spheroidal galaxies and clusters of galaxies

    Treu, T., Koopmans, L. V. E., Sand, D. J., Smith, G. ~. & Ellis, R. S., 1-Jul-2004, Dark Matter in Galaxies: Proceedings, IAU Symposium 220. Ryder, S., Pisano, D., Walker, M. & Freeman, K. (eds.). ASP, Vol. 220. p. 159 1 p. (ASP Conference series; vol. 220).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

  • The Lenses Structure and Dynamics Survey

    Koopmans, L. V. E. & Treu, T., 1-Jan-2004, Multiwavelength Cosmology: Proceedings of the “Multiwavelength Cosmology” Conference, held on Mykonos Island, Greece, 17–20 June, 2003. Plionis, M. (ed.). Dordrecht: Springer, p. 23-26 1 p. ( Astrophysics and Space Science Library book series ; vol. 301).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

  • 2003

    The internal structure of high-Z E/S0 galaxies from LSD

    Treu, T. & Koopmans, L. V. E., 1-Jan-2003, EAS Publications Series. Boily, C. ~., Patsis, P., Portegies Zwart, S., Spurzem, R. & Theis, C. (eds.). EDP Sciences, Vol. 10. p. 61 1 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

  • 2002

    White Dwarfs: Contributors and Tracers of the Galactic Dark-Matter Halo

    Koopmans, L. V. E. & Blandford, R. ~., 1-Mar-2002, The Shapes of Galaxies and their Dark Halos. Natarajan, P. (ed.). World Scientific Publishing, p. 150-153 4 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

  • 2001

    A radio-microlensing caustic crossing in B1600+434?

    Koopmans, L., de Bruyn, A., Wambsganss, J. & Fassnacht, C., 2001, MICROLENSING 2000: A NEW ERA OF MICROLENSING ASTROPHYSICS. Menzies, J. & Sackett, P. (eds.). SAN FRANCISCO: ASTRONOMICAL SOC PACIFIC, p. 363-371 9 p. (ASTRONOMICAL SOCIETY OF THE PACIFIC CONFERENCE SERIES; vol. 239).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

  • B0218+357: Time Delays and New MERLIN/VLA 5 GHz Maps of the Einstein Ring

    Biggs, A. ~., Browne, I. ~. ~., Wilkinson, P. ~., Muxlow, T. ~. ~., Helbig, P. & Koopmans, L. V. E., 1-Jan-2001, Gravitational Lensing: Recent Progress and Future Go. Brainerd, T. G. & Kochanek, C. S. (eds.). Astronomical Society of the Pacific, Vol. 237. p. 137 1 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

  • Everything You Ever Wanted to Know about the JVAS Gravitational Lens System B1030+074 but were Afraid to Ask

    Xanthopoulos, E., Browne, I. ~. ~., Wilkinson, P. ~., Jackson, N. ~., Karidis, A., Porcas, R. ~., Patnaik, A. ~., Koopmans, L. ~. ~. & Marlow, D. ~., 1-Jan-2001, Gravitational Lensing: Recent Progress and Future Go. Brainerd, T. G. & Kochanek, C. S. (eds.). Astronomical Society of the Pacific, Vol. 237. p. 109 1 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

  • Measuring H$_0$ with CLASS B1608+656: The Second Season of VLA Monitoring

    Fassnacht, C. ~., Xanthopoulos, E., Koopmans, L. ~. ~., Pearson, T. ~., Readhead, A. ~. ~. & Myers, S. ~., 1-Jan-2001, Gravitational Lensing: Recent Progress and Future Go. Brainerd, T. G. & Kochanek, C. S. (eds.). Astronomical Society of the Pacific, Vol. 237. p. 121 1 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

  • Microlensing & scintillation of gravitationally lensed compact radio sources: Evidence for MACHOs?

    Koopmans, L. & de Bruyn, A., 2001, GRAVITATIONAL LENSING: RECENT PROGRESS AND FUTURE GOALS. Brainerd, T. & Kochanek, C. (eds.). SAN FRANCISCO: ASTRONOMICAL SOC PACIFIC, p. 193-196 4 p. (ASTRONOMICAL SOCIETY OF THE PACIFIC CONFERENCE SERIES; vol. 237).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

  • Radio-Microlensing in B1600+434: Probing MACHOs at High-Redshifts

    Koopmans, L. V. E., 1-Jan-2001, Cosmological Physics with Gravitational Lensing. Tran Thanh Van, J., Mellier, Y. & Moniez, M. (eds.). EDP Sciences, p. 99 1 p. (Moriond astrophysics meetings).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

  • 2000

    Micro amp: Strong Lensing with the Square Kilometer Array: the Mass- Function of Compact Objects in High-Redshift Galaxies

    Koopmans, L. ~. ~. & de Bruyn, A. ~., 1-Jan-2000, Perspectives on Radio Astronomy: Science with Large Antenna Arrays. van Haarlem, M. ~. (ed.). Netherlands Institute for Radio Astronomy (ASTRON), p. 213 1 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

  • 1999

    The gravitational lens system B1030+074. Discovery and follow-up.

    Xanthopoulos, E., Browne, I., King, L., Jackson, N., Marlow, D., Wilkinson, P., Koopmans, L., Patnaik, A. & Porcas, R., 1999, ACTIVE GALACTIC NUCLEI AND RELATED PHENOMENA. Terzian, Y., Weedman, D. & Khachikian, E. (eds.). SAN FRANCISCO: ASTRONOMICAL SOC PACIFIC, p. 373-378 6 p. (IAU SYMPOSIA).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

  • 1998

    The edge-on spiral gravitational lens B1600+434

    Koopmans, L., de Bruyn, A. & Jackson, N., 1998, LARGE SCALE STRUCTURE: TRACKS AND TRACES. Muller, Gottlober, S., Mucket, J. & Wambsganss, J. (eds.). SINGAPORE: World Scientific Publishing, p. 325-326 2 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    62 Citations (Scopus)