The Astrophysical Multimessenger Observatory Network (AMON)

Smith, M. W. E.; Fox, D. B.; Cowen, D. F.; Mészáros, P.; Tešić, G.; Fixelle, J.; Bartos, I.; Sommers, P.; Ashtekar, Abhay; Babu, G. Jogesh; Barthelmy, S. D.; Coutu, S.; DeYoung, T.; Falcone, A.; Gao, Shan; Hashemi, B.; Homeier, A.; Márka, S.; Owen, B. J.; Taboada, I.

doi:10.1016/j.astropartphys.2013.03.003

Cited by 114 publications

(93 citation statements)

References 106 publications

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“…Such a joint and coordinated search for counterparts would be a natural project for the Astrophysical Multimessenger Observatory Network (AMON; Smith et al 2013) now under construction at Penn State. The most promising immediate prospects probably relate to rapid and sustained X-ray and radio afterglow and nearby (z ∼ < 0.1) supernova searches in the wake of each bright and well-localized FRB.…”

Section: Discussionmentioning

confidence: 99%

Discovery of a Transient Gamma-Ray Counterpart to FRB 131104

DeLaunay

Fox

Murase

et al. 2016

ApJL

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We report our discovery in Swift satellite data of a transient gamma-ray counterpart (3.2σ confidence) to the fast radio burst FRB 131104, the first such counterpart to any FRB. The transient has duration T 90 ∼ > 100 s and fluence S γ ≈ 4 × 10 −6 erg cm −2 , increasing the energy budget for this event by more than a billion times; at the nominal z ≈ 0.55 redshift implied by its dispersion measure, the burst's gamma-ray energy output is E γ ≈ 5 × 10 51 erg. The observed radio to gamma-ray fluence ratio for FRB 131104 is consistent with a lower limit we derive from Swift observations of another FRB, which is not detected in gamma-rays, and with an upper limit previously derived for the brightest gamma-ray flare from SGR 1806−20, which was not detected in the radio. X-ray, ultraviolet, and optical observations beginning two days after the FRB do not reveal any associated afterglow, supernova, or transient; Swift observations exclude association with the brightest 65% of Swift gamma-ray burst X-ray afterglows, while leaving the possibility of an associated supernova at much more than 10% the FRB's nominal distance, D ∼ > 320 Mpc, largely unconstrained. Transient high-luminosity gamma-ray emission arises most naturally in a relativistic outflow or shock breakout, as for example from magnetar flares, gamma-ray bursts, relativistic supernovae, and some types of galactic nuclear activity. Our discovery thus bolsters the case for an extragalactic origin for some FRBs and suggests that future rapid-response observations might identify long-lived counterparts, resolving the nature of these mysterious phenomena and realizing their promise as probes of cosmology and fundamental physics.

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Section: Discussionmentioning

confidence: 99%

Discovery of a Transient Gamma-Ray Counterpart to FRB 131104

DeLaunay

Fox

Murase

et al. 2016

ApJL

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“…Observatories that already signed the AMON Memorandum of Understanding (MoU) include: the IceCube and ANTARES Neutrino Observatories, the HAWC and VERITAS gamma-ray observatories, the Pierre Auger Cosmic Ray Observatory, the Swift satellite experiment and the MASTER robotic telescope network. More information about the AMON project can be found in Reference [6] and in the other AMON contribution to this conference [7].…”

Section: Pos(icrc2015)328mentioning

confidence: 99%

“…More details on calculating the combined effective volume can be found in Reference [6]. A larger ∆t leads to more events detected within a given burst, thus increasing V eff .…”

Section: Burst Search Strategymentioning

confidence: 99%

Searching for primordial black hole evaporation signal with AMON

Tešić¹

2016

Proceedings of the 34th International Cosmic Ray Conference — PoS(ICRC2015)

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Primordial black holes (PBHs) are expected to gradually evaporate and then explode violently during the last few seconds of their lives, each one producing a burst of high energy particles. For PBHs evaporating near the Sun (r 1 pc), these particles could be detected in coincidence by several observatories with large fields of view, such as IceCube (neutrinos), HAWC (gamma rays) and Pierre Auger (gamma rays, neutrons and protons). The short temporal structure of the anticipated PBH evaporation signal provides a very low false positive rate for any possible detection. We will present the discovery potential of the Astrophysical Multimessenger Observatory Network (AMON) for PBH evaporation events. AMON aims to discover multimessenger transient sources by performing real-time and archival coincidence searches from multiple observatory subthreshold data streams. In this approach, a distinctive PBH evaporation signature may be probed by conducting coincidence analysis from a few years of subthreshold neutrino, gamma-ray and cosmic ray data. Detection of PBH evaporation events would be a scientific breakthrough confirming Hawking's hypothesis of black hole radiation and cosmological models of phase transitions, and would allow us to probe physics at the highest energy scale as well as quantum gravity. : 95.85.Pw, 95.85.Ry, 04.70.Dy PACS

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“…Public alerts utilize the Astrophysical Multimessenger Observatory Network (AMON) system [27] as a gateway to the Gamma-ray Coordinates Network (GCN) [28] and are immediately available to follow-up observatories. Each alert has a well-defined structure and content, which is published online 5 .…”

Section: Alerts Revisions and Retractionsmentioning

confidence: 99%

IceCube real-time alert system

Satalecka¹

2017

AIP Conference Proceedings

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Although high-energy astrophysical neutrinos were discovered in 2013, their origin is still unknown. Aiming for the identification of an electromagnetic counterpart of a rapidly fading source, we have implemented a realtime analysis framework for the IceCube neutrino observatory. Several analyses selecting neutrinos of astrophysical origin are now operating in realtime at the detector site in Antarctica and are producing alerts for the community to enable rapid follow-up observations. The goal of these observations is to locate the astrophysical objects responsible for these neutrino signals. This paper highlights the infrastructure in place both at the South Pole site and at IceCube facilities in the north that have enabled this fast follow-up program to be implemented. Additionally, this paper presents the first realtime analyses to be activated within this framework, highlights their sensitivities to astrophysical neutrinos and background event rates, and presents an outlook for future discoveries.

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The Astrophysical Multimessenger Observatory Network (AMON)

Cited by 114 publications

References 106 publications

Discovery of a Transient Gamma-Ray Counterpart to FRB 131104

Discovery of a Transient Gamma-Ray Counterpart to FRB 131104

Searching for primordial black hole evaporation signal with AMON

IceCube real-time alert system

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