Zobrazeno 1 - 10
of 3 584
pro vyhledávání: '"Heß, K"'
Autor:
Sorgho, A., Verdes-Montenegro, L., Hess, K. M., Jones, M. G., Jarrett, T. H., Sanchez-Expósito, S., Garrido, J.
We investigate the relationship between the baryonic angular momentum and mass for a sample of 36 isolated disc galaxies with resolved HI kinematics and infrared WISE photometry drawn from -- and representative in terms of morphologies, stellar masse
Externí odkaz:
http://arxiv.org/abs/2312.16661
Autor:
Shulevski, A., Brienza, M., Massaro, F., Morganti, R., Intema, H., Oosterloo, T., De Gasperin, F., Rajpurohit, K., Pasini, T., Kutkin, A., Vohl, D., Adams, E. A. K., Adebahr, B., Brüggen, M., Hess, K. M., Loose, M. G., Oostrum, L. C., Ziemke, J.
We present the discovery of a very extended (550 kpc) and low-surface-brightness ($ 3.3 \mu \mathrm{Jy} \, arcsec^{-2} $ at 144 MHz) radio emission region in Abell 1318. These properties are consistent with its characterisation as an active galactic
Externí odkaz:
http://arxiv.org/abs/2312.05713
Autor:
Kutkin, A. M., Oosterloo, T. A., Morganti, R., Offringa, A. R., Adams, E. A. K., Adebahr, B., Dénes, H., Hess, K. M., van der Hulst, J. M., de Blok, W. J. G., Bozkurt, A., van Cappellen, W. A., Gunst, A. W., Holties, H. A., van Leeuwen, J., Loose, G. M., Oostrum, L. C., Vohl, D., Wijnholds, S. J., Ziemke, J.
Publikováno v:
A&A 676, A37 (2023)
We present a new image of a 26.5 square degree region in the Bo\"otes constellation obtained at 1.4 GHz using the Aperture Tile in Focus (Apertif) system on the Westerbork Synthesis Radio Telescope. We use a newly developed processing pipeline which
Externí odkaz:
http://arxiv.org/abs/2306.03710
Autor:
Hartley, P., Bonaldi, A., Braun, R., Aditya, J. N. H. S., Aicardi, S., Alegre, L., Chakraborty, A., Chen, X., Choudhuri, S., Clarke, A. O., Coles, J., Collinson, J. S., Cornu, D., Darriba, L., Veneri, M. Delli, Forbrich, J., Fraga, B., Galan, A., Garrido, J., Gubanov, F., Håkansson, H., Hardcastle, M. J., Heneka, C., Herranz, D., Hess, K. M., Jagannath, M., Jaiswal, S., Jurek, R. J., Korber, D., Kitaeff, S., Kleiner, D., Lao, B., Lu, X., Mazumder, A., Moldón, J., Mondal, R., Ni, S., Önnheim, M., Parra, M., Patra, N., Peel, A., Salomé, P., Sánchez-Expósito, S., Sargent, M., Semelin, B., Serra, P., Shaw, A. K., Shen, A. X., Sjöberg, A., Smith, L., Soroka, A., Stolyarov, V., Tolley, E., Toribio, M. C., van der Hulst, J. M., Sadr, A. Vafaei, Verdes-Montenegro, L., Westmeier, T., Yu, K., Yu, L., Zhang, L., Zhang, X., Zhang, Y., Alberdi, A., Ashdown, M., Bom, C. R., Brüggen, M., Cannon, J., Chen, R., Combes, F., Conway, J., Courbin, F., Ding, J., Fourestey, G., Freundlich, J., Gao, L., Gheller, C., Guo, Q., Gustavsson, E., Jirstrand, M., Jones, M. G., Józsa, G., Kamphuis, P., Kneib, J. -P., Lindqvist, M., Liu, B., Liu, Y., Mao, Y., Marchal, A., Márquez, I., Meshcheryakov, A., Olberg, M., Oozeer, N., Pandey-Pommier, M., Pei, W., Peng, B., Sabater, J., Sorgho, A., Starck, J. L., Tasse, C., Wang, A., Wang, Y., Xi, H., Yang, X., Zhang, H., Zhang, J., Zhao, M., Zuo, S.
The Square Kilometre Array Observatory (SKAO) will explore the radio sky to new depths in order to conduct transformational science. SKAO data products made available to astronomers will be correspondingly large and complex, requiring the application
Externí odkaz:
http://arxiv.org/abs/2303.07943
Autor:
Offringa, A. R., Adebahr, B., Kutkin, A., Adams, E. A. K., Oosterloo, T. A., van der Hulst, J. M., Dénes, H., Bassa, C. G., Lucero, D. L., Blok, W. J. G., Hess, K. M., van Leeuwen, J., Loose, G. M., Maan, Y., Oostrum, L. C., Orrú, E., Vohl, D., Ziemke, J.
Publikováno v:
A&A 670, A166 (2023)
Context. Apertif is a multi-beam receiver system for the Westerbork Synthesis Radio Telescope that operates at 1.1-1.5 GHz, which overlaps with various radio services, resulting in contamination of astronomical signals with radio-frequency interferen
Externí odkaz:
http://arxiv.org/abs/2301.01562
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:
Kukreti, Pranav, Morganti, Raffaella, Bondi, Marco, Oosterloo, Tom, Tadhunter, Clive, Morabito, Leah K., Adams, E. A. K., Adebahr, B., de Blok, W. J. G., de Gasperin, F., Drabent, A., Hess, K. M., Ivashina, M. V., Kutkin, A., Mika, Á. M., Oostrum, Leon, Shimwell, T. W., van der Hulst, J. M., van Leeuwen, Joeri, van Weeren, R. J., Vohl, Dany, Ziemke, J.
Publikováno v:
A&A 664, A25 (2022)
Galaxy mergers have been observed to trigger nuclear activity by feeding gas to the central supermassive black hole. One such class of objects are Ultra Luminous InfraRed Galaxies (ULIRGs), which are mostly late stage major mergers of gas-rich galaxi
Externí odkaz:
http://arxiv.org/abs/2206.02847
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:
Adebahr, B., Berger, A., Adams, E. A. K., Hess, K. M., de Blok, W. J. G., Dénes, H., Moss, V. A., Schulz, R., van der Hulst, J. M., Connor, L., Damstra, S., Hut, B., Ivashina, M. V., Loose, G. M., Maan, Y., Mika, A., Mulder, H., Norden, M. J., Oostrum, L. C., Orrú, E., Ruiter, M., Smits, R., van Cappellen, W. A., van Leeuwen, J., Vermaas, N. J., Vohl, D., Ziemke, J.
Publikováno v:
A&A 663, A103 (2022)
We analyse five early science datasets from the APERture Tile in Focus (Apertif) phased array feed system to verify the polarisation capabilities of Apertif in view of future larger data releases. We aim to characterise the source population of the p
Externí odkaz:
http://arxiv.org/abs/2203.16925