The ANTARES telescope neutrino alert system

Ageron, M.; Aguilar, J. A.; Samarai, I. Al; Albert, A.; André, M.; Anghinolfi, M.; Anton, G.; Anvar, S.; Ardid, M.; Jesus, A.C. Assis; Astraatmadja, T.; Aubert, J.J.; Baret, B.; Basa, S.; Bertín, V.; Biagi, S.; Bigi, A.; Bigongiari, C.; Bogazzi, C.; Bou-Cabo, M.; Bouhou, B.; Bouwhuis, M. C.; Brünner, J.; Busto, J.; Camarena, F.; Capone, A.; Cârloganu, C.; Carminati, G.; Carr, J.; Cecchini, S.; Charif, Z.; Charvis, Philippe; Chiarusi, T.; Circella, M.; Coniglione, R.; Costantini, H.; Coyle, P.; Curtil, C.; Decowski, M. P.; Dekeyser, I.; Deschamps, A.; Distefano, C.; Donzaud, C.; Dornic, D.; Dorosti, Q.; Drouhin, D.; Eberl, T.; Emanuele, U.; Enzenhoefer, Alexander; Ernenwein, J.-P.; Escoffier, S.; Fermani, P.; Ferri, M.; Flaminio, V.; Folger, F.; Fritsch, U.; Fuda, J.-L.; Galatà, S.; Giacomelli, G.; Giordano, V.; Gómez-González, J.; Graf, Κ.; Guillard, G.; Halladjian, G.; Hallewell, G. D.; Haren, Hans van; Hartman, J.; Heijboer, A.; Hello, Y.; Hernández-Rey, J. J.; Herold, B.; Hoessl, J.; Hsu, C. C.; Jong, M. de; Kadler, M.; Kalekin, O.; Kappes, A.; Katz, U.; Kavatsyuk, O.; Kooijman, P.; Kopper, C.; Kouchner, A.; Kreykenbohm, I.; Kulikovskiy, V.; Lahmann, R.; Lamare, P.; Larosa, G.; Lattuada, D.; Lefèvre, D.; Lim, G.; Presti, D. Lo; Loehner, H.; Loucatos, S.; Mangano, S.; Marcelin, M.; Margiotta, A.; Martínez-Mora, J. A.; Meli, A.; Montaruli, T.; Moscoso, L.; Motz, H.; Neff, M.; Nezri, E.; Palioselitis, D.; Păvălaş, G. E.; Payet, K.; Payre, P.; Petrović, J.; Piattelli, P.; Picot-Clémente, N.; Popa, V.; Pradier, T.; Presani, E.; Racca, C.; Reed, C. M.; Richardt, C.; Richter, R.; Rivière, C.; Robert, Aymeric; Roensch, K.; Rostovtsev, A.; Ruiz-Rivas, J.; Rujoiu, M.; Russo, G.; Salesa, F.; Sapienza, P.; Schoeck, F.; Schuller, J. P.; Schuessler, F.; Shanidze, R.; Simeone, F.; Spies, A.; Spurio, M.; Steijger, J. J. M.; Stolarczyk, Th.; Sánchez-Losa, A.; Taiuti, M.; Tamburini, Christian; Toscano, S.; Vallage, B.; Elewyck, V. Van; Vannoni, G.; Vecchi, M.; Vernin, P.; Wijnker, G.; Wilms, J.; Wolf, E. de; Yepes, H.; Zaborov, D.; Zornoza, J.D.; Zúñiga, J.

doi:10.1016/j.astropartphys.2011.11.011

Cited by 61 publications

(45 citation statements)

References 22 publications

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“…A fast and robust algorithm is used to reconstruct the data [25], which uses an idealised detector geometry and is thus independent of the dynamical positioning calibration. This reconstruction, and a subsequent quality selection (Nline≥ 2, zenith angle < 0, and Q ≤ 1.3 + [0.04(N hits − 5)] 2 , see Ageron et al 2012) allows the rate of events to be reduced from few Hz down to few mHz. The remaining events are then passed to a more precise reconstruction tool [26] which allows the neutrino nature of the event to be confirmed, and the angular resolution to be improved.…”

Section: The Tatoo Alert Systemmentioning

confidence: 99%

“…After the selection of upgoing events, which removes the huge background of atmospheric muons, the ANTARES neutrino sample consists mainly of atmospheric neutrinos. Different criteria are used to select candidates with an increased probability to be of cosmic origin [13]. A fast and robust algorithm is used to reconstruct the data [25], which uses an idealised detector geometry and is thus independent of the dynamical positioning calibration.…”

Section: The Tatoo Alert Systemmentioning

confidence: 99%

“…Targeted searches performed by the ANTARES telescope on GRBs [10], on AGN flares [11] and microquasar outbursts [12] have so-far yielded limits on the neutrino production in these sources. Taking full advantage of the possibilities offered by multi-messenger searches for transient sources, a multiwavelength follow-up program, denoted as TAToO (Telescopes-ANTARES Target of Opportunity), has operated within the ANTARES Collaboration since 2009 [13]. It is based on optical and, since mid 2013, X-ray follow-ups of selected high-energy neutrino events very shortly after their detection.…”

Section: Introductionmentioning

confidence: 99%

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Optical and X-ray early follow-up of ANTARES neutrino alerts

Adrián-Martínez

Ageron

Albert

et al. 2016

J. Cosmol. Astropart. Phys.

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Abstract. High-energy neutrinos could be produced in the interaction of charged cosmic rays with matter or radiation surrounding astrophysical sources. Even with the recent detection of extraterrestrial high-energy neutrinos by the IceCube experiment, no astrophysical neutrino source has yet been discovered. Transient sources, such as gamma-ray bursts, core-collapse supernovae, or active galactic nuclei are promising candidates. Multi-messenger programs offer a unique opportunity to detect these transient sources. By combining the information provided by the ANTARES neutrino telescope with information coming from other observatories, the probability of detecting a source is enhanced, allowing the possibility of identifying a neutrino progenitor from a single detected event.A method based on optical and X-ray follow-ups of high-energy neutrino alerts has been developed within the ANTARES collaboration. This program, denoted as TAToO, triggers a network of robotic optical telescopes (TAROT and ROTSE) and the Swift-XRT with a delay of only a few seconds after a neutrino detection, and is therefore well-suited to search for fast transient sources. To identify an optical or X-ray counterpart to a neutrino signal, the images provided by the follow-up observations are analysed with dedicated pipelines. A total of 42 alerts with optical and 7 alerts with X-ray images taken with a maximum delay of 24 hours after the neutrino trigger have been analysed. No optical or X-ray counterparts associated to the neutrino triggers have been found, and upper limits on transient source magnitudes have been derived. The probability to reject the gamma-ray burst origin hypothesis has been computed for each alert.

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Section: The Tatoo Alert Systemmentioning

confidence: 99%

Section: The Tatoo Alert Systemmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Optical and X-ray early follow-up of ANTARES neutrino alerts

Adrián-Martínez

Ageron

Albert

et al. 2016

J. Cosmol. Astropart. Phys.

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“…A multi-wavelength follow-up program of ANTARES alerts, denoted TAToO (Telescopes-ANTARES Target of Opportunity) has been operating since 2009 [2]. It triggers optical and/or X-ray observations within a few seconds after the detection of selected high-energy neutrino events.…”

Section: Antares Neutrino Alertsmentioning

confidence: 99%

Follow-up of GW150914 and multi-messenger studies of transient astrophysical sources with the ANTARES neutrino telescope

Coleiro

2017

EPJ Web Conf.

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Abstract. By constantly monitoring at least one complete hemisphere of the sky, neutrino telescopes are well designed to detect neutrinos emitted by transient astrophysical sources. In particular, the ANTARES telescope is currently the largest high-energy neutrino detector in the Northern Hemisphere. Searches for ANTARES neutrino candidates coincident with multi-wavelength and multi-messenger transient phenomena are performed by triggering optical, X-ray and radio observations immediately after the detection of an interesting ANTARES event and also by looking for neutrino emission spatially and temporally coincident with transient astrophysical events detected across the electromagnetic spectrum or with new messengers as gravitational-wave signals. The latest results of the multi-messenger analyses performed with ANTARES will be presented in this contribution. In particular, we will focus on the neutrino follow-up performed after the detection of the first gravitation-wave event, GW150914.

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“…When two or more muon neutrino candidates are detected within 100 s of each other optical and X-ray observations can be triggered automatically Aartsen et al 2015b). Real-time follow-up observations are also triggered by the ANTARES neutrino telescope, but have not lead to the discovery of an electromagnetic counterpart (Ageron et al 2012;Adrián-Martínez et al 2016).…”

Section: Introductionmentioning

confidence: 99%

Multiwavelength follow-up of a rare IceCube neutrino multiplet

Aartsen¹,

Ackermann²,

Adams³

et al. 2017

A&A

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On February 17 2016, the IceCube real-time neutrino search identified, for the first time, three muon neutrino candidates arriving within 100 s of one another, consistent with coming from the same point in the sky. Such a triplet is expected once every 13.7 years as a random coincidence of background events. However, considering the lifetime of the follow-up program the probability of detecting at least one triplet from atmospheric background is 32%. Follow-up observatories were notified in order to search for an electromagnetic counterpart. Observations were obtained by Swift's X-ray telescope, by ASAS-SN, LCO and MASTER at optical wavelengths, and by VERITAS in the very-high-energy gamma-ray regime. Moreover, the Swift BAT serendipitously observed the location 100 s after the first neutrino was detected, and data from the Fermi LAT and HAWC observatory were analyzed. We present details of the neutrino triplet and the follow-up observations. No likely electromagnetic counterpart was detected, and we discuss the implications of these constraints on candidate neutrino sources such as gamma-ray bursts, core-collapse supernovae and active galactic nucleus flares. This study illustrates the potential of and challenges for future follow-up campaigns.

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The ANTARES telescope neutrino alert system

Cited by 61 publications

References 22 publications

Optical and X-ray early follow-up of ANTARES neutrino alerts

Optical and X-ray early follow-up of ANTARES neutrino alerts

Follow-up of GW150914 and multi-messenger studies of transient astrophysical sources with the ANTARES neutrino telescope

Multiwavelength follow-up of a rare IceCube neutrino multiplet

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