Léon Koopmans

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Telefoon+31 50 363 6519, +31 50 363 6100
E-mailL.V.E.Koopmansrugnl

Landleven12, Gebouw 5419, ruimte 0160
9747 AD Groningen
Netherlands

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295 Article
38 Conference contribution
6 Other contribution
5 Review article
Meer

Assessing the impact of two independent direction-dependent calibration algorithms on the LOFAR 21-cm signal power spectrum: And applications to an observation of a field flanking the North Celestial Pole
Gan, H., Mertens, F. G., Koopmans, L. V. E., Offringa, A. R., Mevius, M., Pandey, V. N., Brackenhoff, S. A., Ceccotti, E., Ciardi, B., Gehlot, B. K., Ghara, R., Giri, S. K., Iliev, I. T. & Munshi, S., jan.-2023, In: Astronomy & astrophysics. 669, 27 blz., A20.
Onderzoeksoutput › Academic › peer review

Open Access
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4 Downloads (Pure)
Sky-averaged 21-cm signal extraction using multiple antennas with an SVD framework: the REACH case
Saxena, A., Meerburg, P. D., Acedo, E. D. L., Handley, W. & Koopmans, L. V. E., 1-jun.-2023, In: Monthly Notices of the Royal Astronomical Society. 522, 1, blz. 1022–1032 11 blz.
Onderzoeksoutput › Academic › peer review

Open Access
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4 Downloads (Pure)
A numerical study of 21-cm signal suppression and noise increase in direction-dependent calibration of LOFAR data
Mevius, M., Mertens, F., Koopmans, L. V. E., Offringa, A. R., Yatawatta, S., Brentjens, M. A., Chapman, E., Ciardi, B., Gan, H., Gehlot, B. K., Ghara, R., Ghosh, A., Giri, S. K., Iliev, I. T., Mellema, G., Pandey, V. N. & Zaroubi, S., 1-jan.-2022, In: Monthly Notices of the Royal Astronomical Society. 509, 3, blz. 3693-3702 10 blz.
Onderzoeksoutput › Academic › peer review

Open Access
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7 Citaten (Scopus)

37 Downloads (Pure)
Cosmology intertwined: A review of the particle physics, astrophysics, and cosmology associated with the cosmological tensions and anomalies
Abdalla, E., Abellán, G. F., Aboubrahim, A., Agnello, A., Akarsu, Ö., Akrami, Y., Alestas, G., Aloni, D., Amendola, L., Anchordoqui, L. A., Anderson, R. I., Arendse, N., Asgari, M., Ballardini, M., Barger, V., Basilakos, S., Batista, R. C., Battistelli, E. S., Battye, R., Benetti, M., & 183 anderenBenisty, D., Berlin, A., de Bernardis, P., Berti, E., Bidenko, B., Birrer, S., Blakeslee, J. P., Boddy, K. K., Bom, C. R., Bonilla, A., Borghi, N., Bouchet, F. R., Braglia, M., Buchert, T., Buckley-Geer, E., Calabrese, E., Caldwell, R. R., Camarena, D., Capozziello, S., Casertano, S., Chen, G. C. F., Chluba, J., Chen, A., Chen, H. Y., Chudaykin, A., Cicoli, M., Copi, C. J., Courbin, F., Cyr-Racine, F. Y., Czerny, B., Dainotti, M., D'Amico, G., Davis, A. C., de Cruz Pérez, J., de Haro, J., Delabrouille, J., Denton, P. B., Dhawan, S., Dienes, K. R., Di Valentino, E., Du, P., Eckert, D., Escamilla-Rivera, C., Ferté, A., Finelli, F., Fosalba, P., Freedman, W. L., Frusciante, N., Gaztañaga, E., Giarè, W., Giusarma, E., Gómez-Valent, A., Handley, W., Harrison, I., Hart, L., Hazra, D. K., Heavens, A., Heinesen, A., Hildebrandt, H., Hill, J. C., Hogg, N. B., Holz, D. E., Hooper, D. C., Hosseininejad, N., Huterer, D., Ishak, M., Ivanov, M. M., Jaffe, A. H., Jang, I. S., Jedamzik, K., Jimenez, R., Joseph, M., Joudaki, S., Kamionkowski, M., Karwal, T., Kazantzidis, L., Keeley, R. E., Klasen, M., Komatsu, E., Koopmans, L. V. E., Kumar, S., Lamagna, L., Lazkoz, R., Lee, C. C., Lesgourgues, J., Levi Said, J., Lewis, T. R., L'Huillier, B., Lucca, M., Maartens, R., Macri, L. M., Marfatia, D., Marra, V., Martins, C. J. A. P., Masi, S., Matarrese, S., Mazumdar, A., Melchiorri, A., Mena, O., Mersini-Houghton, L., Mertens, J., Milaković, D., Minami, Y., Miranda, V., Moreno-Pulido, C., Moresco, M., Mota, D. F., Mottola, E., Mozzon, S., Muir, J., Mukherjee, A., Mukherjee, S., Naselsky, P., Nath, P., Nesseris, S., Niedermann, F., Notari, A., Nunes, R. C., Ó Colgáin, E., Owens, K. A., Özülker, E., Pace, F., Paliathanasis, A., Palmese, A., Pan, S., Paoletti, D., Perez Bergliaffa, S. E., Perivolaropoulos, L., Pesce, D. W., Pettorino, V., Philcox, O. H. E., Pogosian, L., Poulin, V., Poulot, G., Raveri, M., Reid, M. J., Renzi, F., Riess, A. G., Sabla, V. I., Salucci, P., Salzano, V., Saridakis, E. N., Sathyaprakash, B. S., Schmaltz, M., Schöneberg, N., Scolnic, D., Sen, A. A., Sehgal, N., Shafieloo, A., Sheikh-Jabbari, M. M., Silk, J., Silvestri, A., Skara, F., Sloth, M. S., Soares-Santos, M., Solà Peracaula, J., Songsheng, Y. Y., Soriano, J. F., Staicova, D., Starkman, G. D., Szapudi, I., Teixeira, E. M., Thomas, B., Treu, T., Trott, E., van de Bruck, C., Vazquez, J. A., Verde, L., Visinelli, L., Wang, D., Wang, J. M., Wang, S. J., Watkins, R., Watson, S., Webb, J. K., Weiner, N., Weltman, A., Witte, S. J., Wojtak, R., Yadav, A. K., Yang, W., Zhao, G. B. & Zumalacárregui, M., jun.-2022, In: Journal of High Energy Astrophysics. 34, blz. 49-211 163 blz.
Onderzoeksoutput: Review article › peer review

Open Access
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88 Citaten (Scopus)

2 Downloads (Pure)
Degree-scale galactic radio emission at 122 MHz around the North Celestial Pole with LOFAR-AARTFAAC
Gehlot, B. K., Koopmans, L. V. E., Offringa, A. R., Gan, H., Ghara, R., Giri, S. K., Kuiack, M., Mertens, F. G., Mevius, M., Mondal, R., Pandey, V. N., Shulevski, A., Wijers, R. A. M. J. & Yatawatta, S., 1-jun.-2022, In: Astronomy and astrophysics. 662, 11 blz., A97.
Onderzoeksoutput › Academic › peer review

Open Access
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9 Downloads (Pure)

KITP Conference: Applications of Gravitational Lensing: Unique Insights into Galaxy Formation and Evolution, Oct 5, 2006, Kavli Institute for Theoretical Physics, University of California, Santa Barbara
Luitje Koopmans (Speaker)
5-okt.-2006
Activiteit: Academic presentation › Academic
The New Cosmology Confronts Observation: The Cosmic Microwave Background, Dark Matter, Dark Energy, and Brane Worlds - KITP Program
Luitje Koopmans (Speaker)
3-okt.-2002
Activiteit: Academic presentation › Academic

CasA, CygA, TauA, VirA 30MHz & 77MHz models
Vocks, C. (Contributor), Mevius, M. (Contributor), Brouw, W. (Contributor), Morganti, R. (Contributor), Paas, H. (Contributor), Van Haarlem, M. P. (Contributor), Brüggen, M. (Contributor), Vink, J. (Contributor), Zucca, P. (Contributor), Van Ardenne, A. (Contributor), Duscha, S. (Contributor), Asgekar, A. (Contributor), McKean, J. (Contributor), Nelles, A. (Contributor), Krankowski, A. (Contributor), Miley, G. (Contributor), Pandey, V. (Contributor), Smirnov, O. (Contributor), Offringa, A. (Contributor), Maat, P. (Contributor), Toribio, M. C. (Contributor), Fallows, R. A. (Contributor), Garrett, M. A. (Contributor), Breitling, F. (Contributor), Koopmans, L. (Contributor), Bonafede, A. (Contributor), Pandey-Pommier, M. (Contributor), Butcher, H. R. (Contributor), Tagger, M. (Contributor), Schwarz, D. J. (Contributor), Eislöffel, J. (Contributor), Hörandel, J. (Contributor), Engels, D. (Contributor), Norden, M. J. (Contributor), Pizzo, R. (Contributor), Orrú, E. (Contributor), Heald, G. (Contributor), Reich, W. (Contributor), Avruch, I. M. (Contributor), Mann, G. (Contributor), Van Weeren, R. J. (Contributor), Gunst, A. W. (Contributor), De Gasperin, F. (Contributor), Soida, M. (Contributor), Blaauw, R. (Contributor), Shulevski, A. (Contributor), De Vos, M. (Contributor), Wucknitz, O. (Contributor), Zarka, P. (Contributor), Franzen, T. M. O. (Contributor), Cuciti, V. (Contributor), Bentum, M. (Contributor), Van Der Horst, A. J. (Contributor), Rowlinson, A. (Contributor) & Ciardi, B. (Contributor), University of Groningen, 26-mrt.-2020
DOI: 10.26093/cds/vizier.36350150
Dataset
LOFAR Long-Baseline Calibrator Survey. II.
Jackson, N. (Contributor), Badole, S. (Contributor), Morgan, J. (Contributor), Van Weeren, W. R. J. (Contributor), Sweijen, F. (Contributor), Norden, M. (Contributor), Nelles, A. (Contributor), Koopmans, L. (Contributor), Bonafede, A. (Contributor), Vocks, C. (Contributor), Iacobelli, M. (Contributor), Drabent, A. (Contributor), Avruch, I. M. (Contributor), Brouw, W. (Contributor), Pizzo, R. (Contributor), Schwarz, D. J. (Contributor), De Gasperin, G. F. (Contributor), Nikolajevs, A. (Contributor), Ciardi, B. (Contributor), Corstanje, A. (Contributor), Deller, A. (Contributor), Butcher, H. R. (Contributor), Prūsis, K. (Contributor), Duscha, S. (Contributor), Pandey, V. (Contributor), Van Dijk, D. P. (Contributor), Miley, G. K. (Contributor), Zensus, J. A. (Contributor), McKean, J. (Contributor), Ruiter, M. (Contributor), Gunst, A. W. (Contributor), Mooney, S. (Contributor), Moldon, J. (Contributor), Shulevski, A. (Contributor), Chhetri, R. (Contributor), Rothkaehl, H. (Contributor), Eislöffel, J. (Contributor), Rowlinson, A. (Contributor), Hoeft, M. (Contributor), Smirnov, O. (Contributor), Van Haarlem, H. M. P. (Contributor), Tagger, M. (Contributor), Jütte, E. (Contributor), Damstra, S. (Contributor), Heald, G. (Contributor), Brüggen, M. (Contributor), Morabito, L. (Contributor), Mann, G. (Contributor), Garrett, M. (Contributor), Coolen, A. (Contributor), Hardcastle, M. (Contributor), Orrù, E. (Contributor), Asgekar, A. (Contributor), Zarka, P. (Contributor), Zucca, P. (Contributor), Van Der Horst, D. H. A. J. (Contributor), Wijers, R. (Contributor), Blaauw, R. (Contributor), Wucknitz, O. (Contributor), Brentjens, M. (Contributor), Callingham, J. R. (Contributor), Krankowski, A. (Contributor), Pandey-Pommier, M. (Contributor), Griessmeier, J. (Contributor), Harwood, J. (Contributor), Falcke, H. (Contributor), Bentum, M. J. (Contributor), Maat, P. (Contributor), Reich, W. (Contributor), Paas, M. (Contributor) & Mulder, H. (Contributor), Strasbourg Astronomical Data Center, 25-jan.-2022
DOI: 10.26093/cds/vizier.36580002
Dataset
LOFAR-HBA 3C196 field RM cubes
Jelic, V. (Contributor), Bruyn ,de, A. (Contributor), Pandey, V. (Contributor), Mevius, M. (Contributor), Haverkorn, M. (Contributor), Brentjens, M. A. (Contributor), Koopmans, L. (Contributor), Zaroubi, S. (Contributor), Abdalla, F. B. (Contributor), Asad, M. (Contributor), Bus, S. (Contributor), Chapman, E. (Contributor), Ciardi, B. (Contributor), Fernandez, B. (Contributor), Ghosh, A. (Contributor), Harker, G. (Contributor), Iliev, I. T. (Contributor), Jensen, H. (Contributor), Kazemi, S. (Contributor), Mellema, G. (Contributor), Offringa, A. R. (Contributor), Patil, A. (Contributor), Vedantham, H. (Contributor) & Yatawatta, S. (Contributor), University of Groningen, 9-nov.-2015
DOI: 10.26093/cds/vizier.35830137
Dataset
LOFAR Two-metre Sky Survey Deep Fields DR1
Sabater, J. (Contributor), Best, P. N. (Contributor), Tasse, C. (Contributor), Hardcastle, M. J. (Contributor), Shimwell, T. W. (Contributor), Nisbet, D. (Contributor), Jelic, V. (Contributor), Callingham, J. R. (Contributor), Röttgering, H. J. A. (Contributor), Bonato, M. (Contributor), Bondi, M. (Contributor), Ciardi, B. (Contributor), Cochrane, R. K. (Contributor), Jarvis, M. J. (Contributor), Kondapally, R. (Contributor), Koopmans, L. (Contributor), O'Sullivan, S. P. (Contributor), Prandoni, I. (Contributor), Schwarz, D. J. (Contributor), Smith, D. J. B. (Contributor), Wang, L. (Contributor), Williams, W. L. (Contributor) & Zaroubi, S. (Contributor), Strasbourg Astronomical Data Center, 7-apr.-2021
DOI: 10.26093/cds/vizier.36480002
Dataset
SLACS. XIII. Galaxy-scale strong lens candidates
Shu, Y. (Contributor), Brownstein, J. R. (Contributor), Bolton, A. S. (Contributor), Koopmans, L. (Contributor), Treu, T. (Contributor), Montero-Dorta, A. D. (Contributor), Auger, M. W. (Contributor), Czoske, O. (Contributor), Gavazzi, R. (Contributor), Marshall, P. J. (Contributor) & Moustakas, L. A. (Contributor), University of Groningen, 23-sep.-2019
DOI: 10.26093/cds/vizier.18510048
Dataset

Léon Koopmans

Netwerk

Duik in details

Assessing the impact of two independent direction-dependent calibration algorithms on the LOFAR 21-cm signal power spectrum: And applications to an observation of a field flanking the North Celestial Pole

Sky-averaged 21-cm signal extraction using multiple antennas with an SVD framework: the REACH case

A numerical study of 21-cm signal suppression and noise increase in direction-dependent calibration of LOFAR data

Cosmology intertwined: A review of the particle physics, astrophysics, and cosmology associated with the cosmological tensions and anomalies

Degree-scale galactic radio emission at 122 MHz around the North Celestial Pole with LOFAR-AARTFAAC

KITP Conference: Applications of Gravitational Lensing: Unique Insights into Galaxy Formation and Evolution, Oct 5, 2006, Kavli Institute for Theoretical Physics, University of California, Santa Barbara

The New Cosmology Confronts Observation: The Cosmic Microwave Background, Dark Matter, Dark Energy, and Brane Worlds - KITP Program

CasA, CygA, TauA, VirA 30MHz & 77MHz models

LOFAR Long-Baseline Calibrator Survey. II.

LOFAR-HBA 3C196 field RM cubes

LOFAR Two-metre Sky Survey Deep Fields DR1

SLACS. XIII. Galaxy-scale strong lens candidates

Léon Koopmans

Netwerk

Onderzoeksoutput

Activiteiten

Datasets