Murchison Widefield Array limits on radio emission from Antares neutrino events

We present a search, using the Murchison Widefield Array (MWA), for electromagnetic (EM) counterparts to two candidate high-energy neutrino events detected by the ANTARES neutrino telescope in 2013 November and 2014 March. These events were selected by ANTARES because they are consistent, within 0°....

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Main Authors:	Croft, S., Kaplan, D., Tingay, Steven, Murphy, T., Bell, M., Rowlinson, A., Adrián-Martínez, S., Ageron, M., Albert, A., André, M., Anton, G., Ardid, M., Aubert, J., Avgitas, T., Baret, B., Barrios-Martí, J., Basa, S., Bertin, V., Biagi, S., Bormuth, R., Bouwhuis, M., Bruijn, R., Brunner, J., Busto, J., Capone, A., Caramete, L., Carr, J., Chiarusi, T., Circella, M., Coleiro, A., Coniglione, R., Costantini, H., Coyle, P., Creusot, A., Dekeyser, I., Deschamps, A., Bonis, G., Distefano, C., Donzaud, C., Dornic, D., Drouhin, D., Eberl, T., Bojaddaini, I., Elsässer, D., Enzenhöfer, A., Fehn, K., Felis, I., Fermani, P., Fusco, L., Galatà, S., Gay, P., Geißelsöder, S., Geyer, K., Giordano, V., Gleixner, A., Glotin, H., Gracia-Ruiz, R., Graf, K., Hallmann, S., Haren, H., Heijboer, A., Hello, Y., Hernández-Rey, J., Hößl, J., Hofestädt, J., Hugon, C., James, C., Jong, M., Kadler, M., Kalekin, O., Katz, U., Kießling, D., Kooijman, P., Kouchner, A., Kreter, M., Kreykenbohm, I., Kulikovskiy, V., Lachaud, C., Lahmann, R., Lefèvre, D.
Format:	Journal Article
Published:	Institute of Physics Publishing 2016
Online Access:	http://hdl.handle.net/20.500.11937/45659

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author	Croft, S. Kaplan, D. Tingay, Steven Murphy, T. Bell, M. Rowlinson, A. Adrián-Martínez, S. Ageron, M. Albert, A. André, M. Anton, G. Ardid, M. Aubert, J. Avgitas, T. Baret, B. Barrios-Martí, J. Basa, S. Bertin, V. Biagi, S. Bormuth, R. Bouwhuis, M. Bruijn, R. Brunner, J. Busto, J. Capone, A. Caramete, L. Carr, J. Chiarusi, T. Circella, M. Coleiro, A. Coniglione, R. Costantini, H. Coyle, P. Creusot, A. Dekeyser, I. Deschamps, A. Bonis, G. Distefano, C. Donzaud, C. Dornic, D. Drouhin, D. Eberl, T. Bojaddaini, I. Elsässer, D. Enzenhöfer, A. Fehn, K. Felis, I. Fermani, P. Fusco, L. Galatà, S. Gay, P. Geißelsöder, S. Geyer, K. Giordano, V. Gleixner, A. Glotin, H. Gracia-Ruiz, R. Graf, K. Hallmann, S. Haren, H. Heijboer, A. Hello, Y. Hernández-Rey, J. Hößl, J. Hofestädt, J. Hugon, C. James, C. Jong, M. Kadler, M. Kalekin, O. Katz, U. Kießling, D. Kooijman, P. Kouchner, A. Kreter, M. Kreykenbohm, I. Kulikovskiy, V. Lachaud, C. Lahmann, R. Lefèvre, D.
author_facet	Croft, S. Kaplan, D. Tingay, Steven Murphy, T. Bell, M. Rowlinson, A. Adrián-Martínez, S. Ageron, M. Albert, A. André, M. Anton, G. Ardid, M. Aubert, J. Avgitas, T. Baret, B. Barrios-Martí, J. Basa, S. Bertin, V. Biagi, S. Bormuth, R. Bouwhuis, M. Bruijn, R. Brunner, J. Busto, J. Capone, A. Caramete, L. Carr, J. Chiarusi, T. Circella, M. Coleiro, A. Coniglione, R. Costantini, H. Coyle, P. Creusot, A. Dekeyser, I. Deschamps, A. Bonis, G. Distefano, C. Donzaud, C. Dornic, D. Drouhin, D. Eberl, T. Bojaddaini, I. Elsässer, D. Enzenhöfer, A. Fehn, K. Felis, I. Fermani, P. Fusco, L. Galatà, S. Gay, P. Geißelsöder, S. Geyer, K. Giordano, V. Gleixner, A. Glotin, H. Gracia-Ruiz, R. Graf, K. Hallmann, S. Haren, H. Heijboer, A. Hello, Y. Hernández-Rey, J. Hößl, J. Hofestädt, J. Hugon, C. James, C. Jong, M. Kadler, M. Kalekin, O. Katz, U. Kießling, D. Kooijman, P. Kouchner, A. Kreter, M. Kreykenbohm, I. Kulikovskiy, V. Lachaud, C. Lahmann, R. Lefèvre, D.
author_sort	Croft, S.
building	Curtin Institutional Repository
collection	Online Access
description	We present a search, using the Murchison Widefield Array (MWA), for electromagnetic (EM) counterparts to two candidate high-energy neutrino events detected by the ANTARES neutrino telescope in 2013 November and 2014 March. These events were selected by ANTARES because they are consistent, within 0°.4, with the locations of galaxies within 20 Mpc of Earth. Using MWA archival data at frequencies between 118 and 182 MHz, taken ~20 days prior to, at the same time as, and up to a year after the neutrino triggers, we look for transient or strongly variable radio sources that are consistent with the neutrino positions. No such counterparts are detected, and we set a 5s upper limit for low-frequency radio emission of ~1037 erg s-1 for progenitors at 20 Mpc. If the neutrino sources are instead not in nearby galaxies, but originate in binary neutron star coalescences, our limits place the progenitors at z 0.2. While it is possible, due to the high background from atmospheric neutrinos, that neither event is astrophysical, the MWA observations are nevertheless among the first to follow up neutrino candidates in the radio, and illustrate the promise of wide-field instruments like MWA for detecting EM counterparts to such events.
first_indexed	2025-11-14T09:26:38Z
format	Journal Article
id	curtin-20.500.11937-45659
institution	Curtin University Malaysia
institution_category	Local University
last_indexed	2025-11-14T09:26:38Z
publishDate	2016
publisher	Institute of Physics Publishing
recordtype	eprints
repository_type	Digital Repository
spelling	curtin-20.500.11937-456592017-09-13T15:36:42Z Murchison Widefield Array limits on radio emission from Antares neutrino events Croft, S. Kaplan, D. Tingay, Steven Murphy, T. Bell, M. Rowlinson, A. Adrián-Martínez, S. Ageron, M. Albert, A. André, M. Anton, G. Ardid, M. Aubert, J. Avgitas, T. Baret, B. Barrios-Martí, J. Basa, S. Bertin, V. Biagi, S. Bormuth, R. Bouwhuis, M. Bruijn, R. Brunner, J. Busto, J. Capone, A. Caramete, L. Carr, J. Chiarusi, T. Circella, M. Coleiro, A. Coniglione, R. Costantini, H. Coyle, P. Creusot, A. Dekeyser, I. Deschamps, A. Bonis, G. Distefano, C. Donzaud, C. Dornic, D. Drouhin, D. Eberl, T. Bojaddaini, I. Elsässer, D. Enzenhöfer, A. Fehn, K. Felis, I. Fermani, P. Fusco, L. Galatà, S. Gay, P. Geißelsöder, S. Geyer, K. Giordano, V. Gleixner, A. Glotin, H. Gracia-Ruiz, R. Graf, K. Hallmann, S. Haren, H. Heijboer, A. Hello, Y. Hernández-Rey, J. Hößl, J. Hofestädt, J. Hugon, C. James, C. Jong, M. Kadler, M. Kalekin, O. Katz, U. Kießling, D. Kooijman, P. Kouchner, A. Kreter, M. Kreykenbohm, I. Kulikovskiy, V. Lachaud, C. Lahmann, R. Lefèvre, D. We present a search, using the Murchison Widefield Array (MWA), for electromagnetic (EM) counterparts to two candidate high-energy neutrino events detected by the ANTARES neutrino telescope in 2013 November and 2014 March. These events were selected by ANTARES because they are consistent, within 0°.4, with the locations of galaxies within 20 Mpc of Earth. Using MWA archival data at frequencies between 118 and 182 MHz, taken ~20 days prior to, at the same time as, and up to a year after the neutrino triggers, we look for transient or strongly variable radio sources that are consistent with the neutrino positions. No such counterparts are detected, and we set a 5s upper limit for low-frequency radio emission of ~1037 erg s-1 for progenitors at 20 Mpc. If the neutrino sources are instead not in nearby galaxies, but originate in binary neutron star coalescences, our limits place the progenitors at z 0.2. While it is possible, due to the high background from atmospheric neutrinos, that neither event is astrophysical, the MWA observations are nevertheless among the first to follow up neutrino candidates in the radio, and illustrate the promise of wide-field instruments like MWA for detecting EM counterparts to such events. 2016 Journal Article http://hdl.handle.net/20.500.11937/45659 10.3847/2041-8205/820/2/L24 Institute of Physics Publishing fulltext
spellingShingle	Croft, S. Kaplan, D. Tingay, Steven Murphy, T. Bell, M. Rowlinson, A. Adrián-Martínez, S. Ageron, M. Albert, A. André, M. Anton, G. Ardid, M. Aubert, J. Avgitas, T. Baret, B. Barrios-Martí, J. Basa, S. Bertin, V. Biagi, S. Bormuth, R. Bouwhuis, M. Bruijn, R. Brunner, J. Busto, J. Capone, A. Caramete, L. Carr, J. Chiarusi, T. Circella, M. Coleiro, A. Coniglione, R. Costantini, H. Coyle, P. Creusot, A. Dekeyser, I. Deschamps, A. Bonis, G. Distefano, C. Donzaud, C. Dornic, D. Drouhin, D. Eberl, T. Bojaddaini, I. Elsässer, D. Enzenhöfer, A. Fehn, K. Felis, I. Fermani, P. Fusco, L. Galatà, S. Gay, P. Geißelsöder, S. Geyer, K. Giordano, V. Gleixner, A. Glotin, H. Gracia-Ruiz, R. Graf, K. Hallmann, S. Haren, H. Heijboer, A. Hello, Y. Hernández-Rey, J. Hößl, J. Hofestädt, J. Hugon, C. James, C. Jong, M. Kadler, M. Kalekin, O. Katz, U. Kießling, D. Kooijman, P. Kouchner, A. Kreter, M. Kreykenbohm, I. Kulikovskiy, V. Lachaud, C. Lahmann, R. Lefèvre, D. Murchison Widefield Array limits on radio emission from Antares neutrino events
title	Murchison Widefield Array limits on radio emission from Antares neutrino events
title_full	Murchison Widefield Array limits on radio emission from Antares neutrino events
title_fullStr	Murchison Widefield Array limits on radio emission from Antares neutrino events
title_full_unstemmed	Murchison Widefield Array limits on radio emission from Antares neutrino events
title_short	Murchison Widefield Array limits on radio emission from Antares neutrino events
title_sort	murchison widefield array limits on radio emission from antares neutrino events
url	http://hdl.handle.net/20.500.11937/45659

Murchison Widefield Array limits on radio emission from Antares neutrino events

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