Zobrazeno 1 - 10
of 1 291
pro vyhledávání: '"Brink, R."'
Autor:
Adams, Elizabeth A. K., Adebahr, B., de Blok, W. J. G., Denes, H., Hess, K. M., van der Hulst, J. M., Kutkin, A., Lucero, D. M., Morganti, R., Moss, V. A., Oosterloo, T. A., Orru, E., Schulz, R., van Amesfoort, A. S., Berger, A., Boersma, O. M., Bouwhuis, M., Brink, R. van den, van Cappellen, W. A., Connor, L., Coolen, A. H. W. M., Damstra, S., van Diepen, G. N. J., Dijkema, T. J., Ebbendorf, N., Grange, Y. G., de Goei, R., Gunst, A. W., Holties, H. A., Hut, B., Ivashina, M. V., Jozsa, G. I. G., Loose, G. M., van Leeuwen, J., Maan, Y., Mancini, M., Mika, A., Mulder, H., Norden, M. J., Offringa, A. R., Oostrum, L. C., Pastor-Marazuela, I., Pisano, D. J., Ponomareva, A. A., Romein, J. W., Ruiter, M, Schoenmakers, A. P., van der Schuur, D., Sluman, J. J., Smits, R., Stuurwold, K. J. C, Verstappen, J., Vilchez, N. P. E, Vohl, D., Wierenga, K. J., Wijnholds, S. J., Woestenburg, E. E. M., Zanting, A. W., Ziemke, J.
Publikováno v:
A&A 667, A38 (2022)
(Abridged) Apertif is a phased-array feed system for WSRT, providing forty instantaneous beams over 300 MHz of bandwidth. A dedicated survey program started on 1 July 2019, with the last observations taken on 28 February 2022. We describe the release
Externí odkaz:
http://arxiv.org/abs/2208.05348
Autor:
Kutkin, A. M., Oosterloo, T. A., Morganti, R., Adams, E. A. K., Mancini, M., Adebahr, B., de Blok, W. J. G., Dénes, H., Hess, K. M., van der Hulst, J. M., Lucero, D. M., Moss, V. A., Berger, A., Brink, R. van den, van Cappellen, W. A., Connor, L., Damstra, S., Loose, G. M., van Leeuwen, J., Maan, Y., Mika, A'., Norden, M. J., Offringa, A. R., Oostrum, L. C., van der Schuur, D., Vohl, D., Wijnholds, S. J., Ziemke, J.
Publikováno v:
A&A 667, A39 (2022)
The first data release of Apertif survey contains 3074 radio continuum images covering a thousand square degrees of the sky. The observations were performed during August 2019 to July 2020. The continuum images were produced at a central frequency 13
Externí odkaz:
http://arxiv.org/abs/2208.05342
Autor:
Dénes, H., Hess, K. M., Adams, E. A. K., Kutkin, A., Morganti, R., van der Hulst, J. M., Oosterloo, T. A., Moss, V. A., Adebahr, B., de Blok, W. J. G., Ivashina, M. V., Coolen, A. H. W. M., Damstra, S., Hut, B., Loose, G. M., Lucero, D. M., Maan, Y., Mika, Á., Norden, M. J., Oostrum, L. C., Pisano, D. J., Smits, R., van Cappellen, W. A., Brink, R. van den, van der Schuur, D., van Diepen, G. N. J., van Leeuwen, J., Vohl, D., Wijnholds, S. J., Ziemke, J.
Publikováno v:
A&A 667, A40 (2022)
Context. Phased Array Feeds (PAFs) are multi element receivers in the focal plane of a telescope that make it possible to form simultaneously multiple beams on the sky by combining the complex gains of the individual antenna elements. Recently the We
Externí odkaz:
http://arxiv.org/abs/2205.09662
Autor:
van Deventer, O., Spethmann, N., Loeffler, M., Amoretti, M., Brink, R. van den, Bruno, N., Comi, P., Farrugia, N., Gramegna, M., Kassenberg, B., Kozlowski, W., Länger, T., Lindstrom, T., Martin, V., Neumann, N., Papadopoulos, H., Pascazio, S., Peev, M., Pitwon, R., Rol, M. A., Traina, P., Venderbosch, P., Wilhelm-Mauch, F. K., Jenet, A.
Publikováno v:
EPJ Quantum Technol. 9 (2022) 33
The Second Quantum Revolution facilitates the engineering of new classes of sensors, communication technologies, and computers with unprecedented capabilities. Supply chains for quantum technologies are emerging, some focussed on commercially availab
Externí odkaz:
http://arxiv.org/abs/2203.01622
Autor:
Pastor-Marazuela, Inés, van Leeuwen, Joeri, Bilous, Anna, Connor, Liam, Maan, Yogesh, Oostrum, Leon, Petroff, Emily, Straal, Samayra, Vohl, Dany, Adams, E. A. K., Adebahr, B., Attema, Jisk, Boersma, Oliver M., Brink, R. van den, van Cappellen, W. A., Coolen, A. H. W. M., Damstra, S., Dénes, H., Hess, K. M., van der Hulst, J. M., Hut, B., Kutkin, A., Loose, G. Marcel, Lucero, D. M., Mika, Á., Moss, V. A., Mulder, H., Norden, M. J., Oosterloo, T. A., Rajwade, Kaustubh, van der Schuur, D., Sclocco, A., Smits, R., Ziemke, J.
Publikováno v:
A&A 678, A149 (2023)
Fast radio bursts (FRBs) are extragalactic radio transients of extraordinary luminosity. Studying the diverse temporal and spectral behaviour recently observed in a number of FRBs may help determine the nature of the entire class. For example, a fast
Externí odkaz:
http://arxiv.org/abs/2202.08002
Autor:
van Cappellen, W. A., Oosterloo, T. A., Verheijen, M. A. W., Adams, E. A. K., Adebahr, B., Braun, R., Hess, K. M., Holties, H., van der Hulst, J. M., Hut, B., Kooistra, E., van Leeuwen, J., Loose, G. M., Morganti, R., Moss, V. A., Orrú, E., Ruiter, M., Schoenmakers, A. P., Vermaas, N. J., Wijnholds, S. J., van Amesfoort, A. S., Arts, M. J., Attema, J. J., Bakker, L., Bassa, C. G., Bast, J. E., Benthem, P., Beukema, R., Blaauw, R., de Blok, W. J. G., Bouwhuis, M., Brink, R. H. van den, Connor, L., Coolen, A. H. W. M., Damstra, S., van Diepen, G. N. J., de Goei, R., Dénes, H., Drost, M., Ebbendorf, N., Frank, B. S., Gardenier, D. W., Gerbers, M., Grange, Y. G., Grit, T., Gunst, A. W., Gupta, N., Ivashina, M. V., Józsa, G. I. G., Janssen, G. H., Koster, A., Kruithof, G. H., Kuindersma, S. J., Kutkin, A., Lucero, D. M., Maan, Y., Maccagni, F. M., van der Marel, J., Mika, A., Morawietz, J., Mulder, H., Mulder, E., Norden, M. J., Offringa, A. R., Oostrum, L. C., Overeem, R. E., Paragi, Z., Pepping, H. J., Petroff, E., Pisano, D. J., Polatidis, A. G., Prasad, P., de Reijer, J. P. R., Romein, J. W., Schaap, J., Schoonderbeek, G. W., Schulz, R., van der Schuur, D., Sclocco, A., Sluman, J. J., Smits, R., Stappers, B. W., Straal, S. M., Stuurwold, K. J. C., Verstappen, J., Vohl, D., Wierenga, K. J., Woestenburg, E. E. M., Zanting, A. W., Ziemke, J.
Publikováno v:
A&A 658, A146 (2022)
We describe the APERture Tile In Focus (Apertif) system, a phased array feed (PAF) upgrade of the Westerbork Synthesis Radio Telescope which has transformed this telescope into a high-sensitivity, wide field-of-view L-band imaging and transient surve
Externí odkaz:
http://arxiv.org/abs/2109.14234
Autor:
Boersma, Olivér, van Leeuwen, Joeri, Adams, Elizabeth A. K., Adebahr, Björn, Kutkin, Alexander, Oosterloo, Tom, de Blok, W. J. G., Brink, R. van den, Coolen, A. H. W. M., Connor, L., Damstra, S., Dénes, H., Hess, K. M., van der Hulst, J. M., Hut, B., Ivashina, M., Loose, G. M., Lucero, D. M., Maan, Y., Mika, Á., Moss, V. A., Mulder, H., Oostrum, L. C., Ruiter, M., van der Schuur, D., Smits, R., Vermaas, N. J., Vohl, D., Ziemke, J.
Publikováno v:
A&A 650, A131 (2021)
Detection of the electromagnetic emission from coalescing binary neutron stars (BNS) is important for understanding the merger and afterglow. We present a search for a radio counterpart to the gravitational-wave source GW190425, a BNS merger, using A
Externí odkaz:
http://arxiv.org/abs/2104.04280
Autor:
Oosterloo, T. A., Vedantham, H. K., Kutkin, A. M., Adams, E. A. K., Adebahr, B., Coolen, A. H. W. M., Damstra, S., de Blok, W. J. G., De'nes, H., Hess, K. M., Hut, B., Loose, G. M., Lucero, D. M., Maan, Y., Morganti, R., Moss, V. A., Mulder, H., Norden, M. J., Offringa, A. R., Oostrum, L. C., Orru`, E., Ruiter, M., Schulz, R., Brink, R. H. van den, van der Hulst, J. M., van Leeuwen, J., Vermaas, N. J., Vohl, D., Wijnholds, S. J., Ziemke, J.
The propagation of radio waves from distant compact radio sources through turbulent interstellar plasma in our Galaxy causes these sources to twinkle, a phenomenon called interstellar scintillation. Such scintillations are a unique probe of the micro
Externí odkaz:
http://arxiv.org/abs/2008.07945
Autor:
Oostrum, L. C., Maan, Y., van Leeuwen, J., Connor, L., Petroff, E., Attema, J. J., Bast, J. E., Gardenier, D. W., Hargreaves, J. E., Kooistra, E., van der Schuur, D., Sclocco, A., Smits, R., Straal, S. M., ter Veen, S., Vohl, D., Adams, E. A. K., Adebahr, B., de Blok, W. J. G., Brink, R. H. van den, van Cappellen, W. A., Coolen, A. H. W. M., Damstra, S., van Diepen, G. N. J., Frank, B. S., Hess, K. M., van der Hulst, J. M., Hut, B., Ivashina, M. V., Loose, G. M., Lucero, D. M., Mika, Á., Morganti, R. H., Moss, V. A., Mulder, H., Norden, M. J., Oosterloo, T. A., Orrú, E., de Reijer, J. P. R., Ruiter, M., Vermaas, N. J., Wijnholds, S. J., Ziemke, J.
Publikováno v:
A&A 635, A61 (2020)
Repeating fast radio bursts (FRBs) present excellent opportunities to identify FRB progenitors and host environments, as well as decipher the underlying emission mechanism. Detailed studies of repeating FRBs might also hold clues to the origin of FRB
Externí odkaz:
http://arxiv.org/abs/1912.12217