2016ApJ...820L..24C

Query : 2016ApJ...820L..24C

2016ApJ...820L..24C - Astrophys. J., 820, L24 (2016/April-1)

Murchison widefield array limits on radio emission from ANTARES neutrino events.

CROFT S., KAPLAN D.L., TINGAY S.J., MURPHY T., BELL M.E., ROWLINSON A. (The MWA Collaboration), ADRIAN-MARTINEZ S., AGERON M., ALBERT A., ANDRE M., ANTON G., ARDID M., AUBERT J.-J., AVGITAS T., BARET B., BARRIOS-MARTI J., BASA S., BERTIN V., BIAGI S., BORMUTH R., BOUWHUIS M.C., 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., DE BONIS G., DISTEFANO C., DONZAUD C., DORNIC D., DROUHIN D., EBERL T., EL BOJADDAINI I., ELSASSER D., ENZENHOFER A., FEHN K., FELIS I., FERMANI P., FUSCO L.A., GALATA S., GAY P., GEISSELSODER S., GEYER K., GIORDANO V., GLEIXNER A., GLOTIN H., GRACIA-RUIZ R., GRAF K., HALLMANN S., VAN HAREN H., HEIJBOER A.J., HELLO Y., HERNANDEZ-REY J.J., HOSSL J., HOFESTADT J., HUGON C., JAMES C.W., DE JONG M., KADLER M., KALEKIN O., KATZ U., KIESSLING D., KOOIJMAN P., KOUCHNER A., KRETER M., KREYKENBOHM I., KULIKOVSKIY V., LACHAUD C., LAHMANN R., LEFEVRE D., LEONORA E., LOUCATOS S., MARCELIN M., MARGIOTTA A., MARINELLI A., MARTINEZ-MORA J.A., MATHIEU A., MICHAEL T., MIGLIOZZI P., MOUSSA A., MUELLER C., NEZRI E., PAVALAS G.E., PELLEGRINO C., PERRINA C., PIATTELLI P., POPA V., PRADIER T., RACCA C., RICCOBENE G., ROENSCH K., SALDANA M., SAMTLEBEN D.F.E., SANCHEZ-LOSA A., SANGUINETI M., SAPIENZA P., SCHMID J., SCHNABEL J., SCHUSSLER F., SEITZ T., SIEGER C., SPURIO M., STEIJGER J.J.M., STOLARCZYK T., TAIUTI M., TAMBURINI C., TROVATO A., TSELENGIDOU M., TURPIN D., TONNIS C., VALLAGE B., VALLEE C., VAN ELEWYCK V., VISSER E., VIVOLO D., WAGNER S., WILMS J., ZORNOZA J.D., ZUNIGA J. (The ANTARES Collaboration), KLOTZ A., BOER M., LE VAN SUU A. (The TAROT Collaboration), AKERLOF C., ZHENG W. (The ROTSE Collaboration)

Abstract (from CDS):

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 5σ upper limit for low-frequency radio emission of ∼1037 erg/s 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.

Abstract Copyright: ∼

Journal keyword(s): neutrinos - radio continuum: general

CDS comments: ANT 131121A and ANT 140323A are not in SIMBAD.

Simbad objects: 8

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Number of rows : 8
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NGC 1316 rG 03 22 41.789 -37 12 29.52 9.81 9.15 8.53 7.66   ~ 1491 1
2 ESO 358-15 Sy2 03 33 06.85 -34 48 29.2   15.34   14.29 14.9 ~ 86 0
3 NGC 1374 EmG 03 35 16.5885737352 -35 13 34.563417168 12.46 11.97 11.08 10.59   ~ 322 1
4 ACO S 373 ClG 03 38 29.4 -35 27 08           ~ 2029 0
5 ESO 252-18A Sy1 05 19 49.7229323856 -45 46 43.852662732   15.73 15.77 14.85   ~ 714 0
6 SN 1987A SN* 05 35 27.98840 -69 16 11.1134           SNIIpec 5203 2
7 MCG-04-24-014 AG? 10 03 41.840 -27 01 40.12   13.32   12.81 13.3 ~ 64 1
8 NAME Antlia Dwarf Galaxy G 10 04 03.9 -27 20 01 16.73 15.69 15.17 15.00   ~ 221 1

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