prof. dr. L.V.E. (Léon) Koopmans

Professor, Scientific Director of the Kapteyn Astronomical Institute

prof. dr. L.V.E. (Léon) Koopmans
Telephone:
E-mail:
l.v.e.koopmans rug.nl

Research

Postal address:
Landleven12
Gebouw 5419, ruimte 0160
9747 AD
Groningen
Netherlands
Phone: +31 50 363 6519Fax: +31 50 363 6100
  1. 2020
  2. Li, R., Napolitano, N. R., Tortora, C., Spiniello, C., Koopmans, L. V. E., Huang, Z., Roy, N., Vernardos, G., Chatterjee, S., Giblin, B., Getman, F., Radovich, M., Covone, G., & Kuijken, K. (2020). New High-quality Strong Lens Candidates with Deep Learning in the Kilo-Degree Survey. Astrophysical Journal, 899(1), [30]. https://doi.org/10.3847/1538-4357/ab9dfa
  3. Scognamiglio, D., Tortora, C., Spavone, M., Spiniello, C., Napolitano, N. R., D'Ago, G., La Barbera, F., Getman, F., Roy, N., Raj, M. A., Radovich, M., Brescia, M., Cavuoti, S., Koopmans, L. V. E., Kuijken, K. H., Longo, G., & Petrillo, C. E. (2020). Building the Largest Spectroscopic Sample of Ultracompact Massive Galaxies with the Kilo Degree Survey. Astrophysical Journal, 893(1), [4]. https://doi.org/10.3847/1538-4357/ab7db3
  4. Ghara, R., Giri, S. K., Mellema, G., Ciardi, B., Zaroubi, S., Iliev, I. T., Koopmans, L. V. E., Chapman, E., Gazagnes, S., Gehlot, B. K., Ghosh, A., Jelić, V., Mertens, F. G., Mondal, R., Schaye, J., Silva, M. B., Asad, K. M. B., Kooistra, R., Mevius, M., ... Yatawatta, S. (2020). Constraining the intergalactic medium at z ≈ 9.1 using LOFAR Epoch of Reionization observations. Monthly Notices of the Royal Astronomical Society, 493(4), 4728-4747. https://doi.org/10.1093/mnras/staa487
  5. Mertens, F. G., Mevius, M., Koopmans, L. V. E., Offringa, A. R., Mellema, G., Zaroubi, S., Brentjens, M. A., Gan, H., Gehlot, B. K., Pandey, V. N., Sardarabadi, A. M., Vedantham, H. K., Yatawatta, S., Asad, K. M. B., Ciardi, B., Chapman, E., Gazagnes, S., Ghara, R., Ghosh, A., ... Silva, M. B. (2020). Improved upper limits on the 21 cm signal power spectrum of neutral hydrogen at z approximate to 9.1 from LOFAR. Monthly Notices of the Royal Astronomical Society, 493(2), 1662-1685. https://doi.org/10.1093/mnras/staa327
  6. 2019
  7. Chen, G. C. -F., Fassnacht, C. D., Suyu, S. H., Rusu, C. E., Chan, J. H. H., Wong, K. C., Auger, M. W., Hilbert, S., Bonvin, V., Birrer, S., Millon, M., Koopmans, L. V. E., Lagattuta, D. J., McKean, J. P., Vegetti, S., Courbin, F., Ding, X., Halkola, A., Jee, I., ... Treu, T. (2019). A SHARP view of H0LiCOW: H-0 from three time-delay gravitational lens systems with adaptive optics imaging. Monthly Notices of the Royal Astronomical Society, 490(2), 1743-1773. https://doi.org/10.1093/mnras/stz2547
  8. Sluse, D., Rusu, C. E., Fassnacht, C. D., Sonnenfeld, A., Richard, J., Auger, M. W., Coccato, L., Wong, K. C., Suyu, S. H., Treu, T., Agnello, A., Birrer, S., Bonvin, V., Collett, T., Courbin, F., Hilbert, S., Koopmans, L. V. E., Tihhanova, O., Marshall, P. J., ... Tarle, G. (2019). H0LiCOW - X. Spectroscopic/imaging survey and galaxy-group identification around the strong gravitational lens system WFI 2033-4723. Monthly Notices of the Royal Astronomical Society, 490(1), 613-633. https://doi.org/10.1093/mnras/stz2483
  9. Gehlot, B. K., Mertens, F. G., Koopmans, L. V. E., Brentjens, M. A., Zaroubi, S., Ciardi, B., Ghosh, A., Hatef, M., Iliev, I. T., Jelic, V., Kooistra, R., Krause, F., Mellema, G., Mevius, M., Mitra, M., Offringa, A. R., Pandey, V. N., Sardarabadi, A. M., Schaye, J., ... Yatawatta, S. (2019). The first power spectrum limit on the 21-cm signal of neutral hydrogen during the Cosmic Dawn at z=20-25 from LOFAR. Monthly Notices of the Royal Astronomical Society, 488(3), 4271-4287. https://doi.org/10.1093/mnras/stz1937
  10. Spiniello, C., Sergeyev, A. V., Marchetti, L., Tortora, C., Napolitano, N. R., Shalyapin, V., Agnello, A., Getman, F. I., Vaccari, M., Serjeant, S., Koopmans, L. V. E., Baker, A. J., Jarrett, T. H., Covone, G., & Vernardos, G. (2019). Spectroscopic confirmation and modelling of two lensed quadruple quasars in the Dark Energy Survey public footprint. Monthly Notices of the Royal Astronomical Society, 485, 5086-5095. https://doi.org/10.1093/mnras/stz781
  11. Cooray, A., Aguirre, J., Ali-Haimoud, Y., Alvarez, M., Appleton, P., Armus, L., Becker, G., Bock, J., Bowler, R., Bowman, J., Bradford, M., Breysse, P., Bromm, V., Burns, J., Caputi, K., Castellano, M., Chang, T-C., Chary, R., Chiang, H., ... Zheng, Z. (2019). Cosmic Dawn and Reionization: Astrophysics in the Final Frontier. Bulletin of the American Astronomical Society, 51(3), [id. 48 (2019)]. https://ui.adsabs.harvard.edu/abs/2019BAAS...51c..48C
  12. Liu, A., Aguirre, J., Ali-Haimoud, Y., Alvarez, M., Beardsley, A., Becker, G., Bowman, J., Breysse, P., Bromm, V., Bull, P., Burns, J., Carucci, I. P., Chang, T-C., Chiang, H., Cohn, J., DeBoer, D., Dillon, J., Dvorkin, C., Fialkov, A., ... Zaldarriaga, M. (2019). Cosmology with the Highly Redshifted 21 cm Line. Bulletin of the American Astronomical Society, 51. https://ui.adsabs.harvard.edu/abs/2019BAAS...51c..63L
  13. Furlanetto, S., Bowman, J. D., Mirocha, J., Pober, J., Burns, J., Carilli, C. L., Munoz, J., Aguirre, J., Ali-Haimoud, Y., Alvarez, M., Beardsley, A., Becker, G., Breysse, P., Bromm, V., Bull, P., Chang, T-C., Chen, X., Chiang, H., Cohn, J., ... Zaldarriaga, M. (2019). Fundamental Cosmology in the Dark Ages with 21-cm Line Fluctuations. Bulletin of the American Astronomical Society, 51(3), [ID 144 (2019)]. https://ui.adsabs.harvard.edu/abs/2019BAAS...51c.144F
  14. Furlanetto, S., Carilli, C. L., Mirocha, J., Aguirre, J., Ali-Haimoud, Y., Alvarez, M., Beardsley, A., Becker, G., Bowman, J. D., Breysse, P., Bromm, V., Bull, P., Burns, J., Carucci, I. P., Chang, T-C., Chen, X., Chiang, H., Cohn, J., Davies, F., ... Zaldarriaga, M. (2019). Insights Into the Epoch of Reionization with the Highly-Redshifted 21-cm Line. Bulletin of the American Astronomical Society, 51(3), [ID 143 (2019)]. https://ui.adsabs.harvard.edu/abs/2019BAAS...51c.143F
  15. La Plante, P., Alvarez, M., Fialkov, A., Aguirre, J., Ali-Haïmoud, Y., Becker, G., Bowman, J., Breysse, P., Bromm, V., Bull, P., Burns, J., Cappelluti, N., Carucci, I., Chang, T-C., Cleary, K., Cooray, A., Chen, X., Chiang, H., Cohn, J., ... Zaldarriaga, M. (2019). Mapping Cosmic Dawn and Reionization: Challenges and Synergies: Astro2020 Science White Paper. Bulletin of the American Astronomical Society, 51(3), [id 394]. https://ui.adsabs.harvard.edu/abs/2019BAAS...51c.394L
  16. Furlanetto, S., Beardsley, A., Carilli, C. L., Mirocha, J., Aguirre, J., Ali-Haimoud, Y., Alvarez, M., Becker, G., Bowman, J. D., Breysse, P., Bromm, V., Bull, P., Burns, J., Carucci, I. P., Chang, T-C., Chiang, H., Cohn, J., Davies, F., DeBoer, D., ... Zaldarriaga, M. (2019). Synergies Between Galaxy Surveys and Reionization Measurements. Bulletin of the American Astronomical Society, 51(3), [ id. 142 (2019)]. https://ui.adsabs.harvard.edu/abs/2019BAAS...51c.142F
  17. Metcalf, R. B., Meneghetti, M., Avestruz, C., Bellagamba, F., Bom, C. R., Bertin, E., Cabanac, R., Courbin, F., Davies, A., Decencière, E., Flamary, R., Gavazzi, R., Geiger, M., Hartley, P., Huertas-Company, M., Jackson, N., Jacobs, C., Jullo, E., Kneib, J. -P., ... Vernardos, G. (2019). The strong gravitational lens finding challenge. Astronomy and astrophysics, 625(May 2019), [A119]. https://doi.org/10.1051/0004-6361/201832797
  18. Cuby, J-G., Oesch, P., Cooray, A., Rhodes, J., Bremer, M., Bowler, R., Capak, P., Caputi, K., Castellano, M., Conselice, C., Cuillandre, J-C., Dayal, P., Davidzon, I., Dunlop, J., Finkelstein, S., Fontana, A., Kashlinsky, A., Koopmans, L., Kuijken, K., ... Warren, S. (2019). Unveiling Cosmic Dawn: the synergetic role of space and ground-based telescopes. Bulletin of the American Astronomical Society, 51(3), [id. 360 (2019)]. https://ui.adsabs.harvard.edu/abs/2019BAAS...51c.360C
  19. Hare, B. M., Scholten, O., Dwyer, J., Trinh, T. N. G., Buitink, S., ter Veen, S., Bonardi, A., Corstanje, A., Falcke, H., Hörandel, J. R., Huege, T., Mitra, P., Mulrey, K., Nelles, A., Rachen, J. P., Rossetto, L., Schellart, P., Winchen, T., Anderson, J., ... Zucca, P. (2019). Needle-like structures discovered on positively charged lightning branches. Nature, 568, 360-363. https://doi.org/10.1038/s41586-019-1086-6
  20. Petrillo, E., Tortora, C., Vernardos, G., Koopmans, L. V. E., Verdoes Kleijn, G., Bilicki, M., Napolitano, N., Chatterjee, S., Covone, G., Dvornik, A., Erben, T., Getman, F., Giblin, B., Heymans, C., de Jong, J. T. A., Kuijken, K., Schneider, P., Huang, S., Spiniello, C., & Wright, A. H. (2019). LinKS: discovering galaxy-scale strong lenses in the Kilo-Degree Survey using convolutional neural networks. Monthly Notices of the Royal Astronomical Society, 484(3), 3879–3896. https://doi.org/10.1093/mnras/stz189
  21. 2018
  22. Tortora, C., Napolitano, N. R., Spavone, M., La Barbera, F., D'Ago, G., Spiniello, C., Kuijken, K. H., Roy, N., Raj, M. A., Cavuoti, S., Brescia, M., Longo, G., Pota, V., Petrillo, C. E., Radovich, M., Getman, F., Koopmans, L. V. E., Trujillo, I., Verdoes Kleijn, G., ... Wolf, C. (2018). The first sample of spectroscopically confirmed ultra-compact massive galaxies in the Kilo Degree Survey. Monthly Notices of the Royal Astronomical Society, 481(4), 4728-4752. https://doi.org/10.1093/mnras/sty2564
  23. Aminaei, A., Chen, L., Pourshaghaghi, H., Buitink, S., Klein-Wolt, M., Koopmans, L. V. E., & Falcke, H. (2018). Prospects of probing the radio emission of lunar UHECRv events. Advances in space research, 62(9), 2708-2728. https://doi.org/10.1016/j.asr.2018.07.036
  24. Spiniello, C., Agnello, A., Napolitano, N. R., Sergeyev, A. V., Getman, F. I., Tortora, C., Spavone, M., Bilicki, M., Buddelmeijer, H., Koopmans, L. V. E., Kuijken, K., Vernardos, G., Bannikova, E., & Capaccioli, M. (2018). KiDS-SQuaD: The KiDS Strongly lensed Quasar Detection project. Monthly Notices of the Royal Astronomical Society, 480(1), 1163-1173. https://doi.org/10.1093/mnras/sty1923, https://doi.org/10.1093/mnras/sty1923
  25. Mukherjee, S., Koopmans, L. V. E., Metcalf, R. B., Tessore, N., Tortora, C., Schaller, M., Schaye, J., Crain, R. A., Vernardos, G., Bellagamba, F., & Theuns, T. (2018). SEAGLE - I. A pipeline for simulating and modelling strong lenses from cosmological hydrodynamic simulations. Monthly Notices of the Royal Astronomical Society, 479(3), 4108-4125. https://doi.org/10.1093/mnras/sty1741
  26. Hsueh, J-W., Fassnacht, C., Vegetti, S., Springola, C., Oldham, L., Despali, G., Auger, M., Xu, D., Metcalf, B., McKean, J., Koopmans, L., & Lagattuta, D. (2018). Exploring a Potential Bias in Dark Matter Investigations Using Strongly Lensed Quasars. American Astronomical Society Meeting, 231, [415.04]. http://adsabs.harvard.edu/abs/2018AAS...23141504H
  27. 2017
  28. Shu, Y., Brownstein, J. R., Bolton, A. S., Koopmans, L. V. E., Treu, T., Montero-Dorta, A. D., Auger, M. W., Czoske, O., Gavazzi, R., Marshall, P. J., & Moustakas, L. A. (2017). The Sloan Lens ACS Survey. XIII. Discovery of 40 New Galaxy-scale Strong Lenses. The Astrophysical Journal, 851(1), [48]. https://doi.org/10.3847/1538-4357/aa9794
  29. Sluse, D., Sonnenfeld, A., Rumbaugh, N., Rusu, C. E., Fassnacht, C. D., Treu, T., Suyu, S. H., Wong, K. C., Auger, M. W., Bonvin, V., Collett, T., Courbin, F., Hilbert, S., Koopmans, L. V. E., Marshall, P. J., Meylan, G., Spiniello, C., & Tewes, M. (2017). H0LiCOW - II. Spectroscopic survey and galaxy-group identification of the strong gravitational lens system HE 0435-1223. Monthly Notices of the Royal Astronomical Society, 470(4), 4838-4857. https://doi.org/10.1093/mnras/stx1484
Previous 1 2 3 4 5 6 Next

ID: 177556