3HSP J095507.9+355101: a flaring extreme blazar coincident in space and time with IceCube-200107A

Abstract

The uncertainty region of the highly energetic neutrino IceCube200107A includes 3HSP J095507.9+355101 ($z$~=~0.557), an extreme blazar, which was detected in a high, very hard, and variable X-ray state shortly after the neutrino arrival. Following a detailed multi-wavelength investigation, we confirm that the source is a genuine BL Lac, contrary to TXS 0506+056, the first source so far associated with IceCube neutrinos, which is a "masquerading" BL Lac. As in the case of TXS0506+056, 3HSP J095507.9+355101 is also way off the so-called "blazar sequence". We consider 3HSP J095507.9+355101 a possible counterpart to the IceCube neutrino. Finally, we discuss some theoretical implications in terms of neutrino production.

arXiv commentAccepted for publication in A&A Letters, 8 pages, 4 figures

References in corpus (39)

• The Swift X-ray Telescope
• The Nuclear Spectroscopic Telescope Array (NuSTAR) Mission
• The Swift Ultra-Violet/Optical Telescope
• Observation of High-Energy Astrophysical Neutrinos in Three Years of IceCube Data
• Multi-messenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A
• Neutrino emission from the direction of the blazar TXS 0506+056 prior to the IceCube-170922A alert
• The Spectral Energy Distribution of Fermi bright blazars
• The Connection between X-ray- and Radio-Selected BL Lacertae Objects
• Log-parabolic spectra and particle acceleration in the BL Lac object Mkn 421: spectral analysis of the complete BeppoSAX wide band X-ray data set
• The transition between BL Lac objects and Flat Spectrum Radio Quasars
• A Multimessenger Picture of the Flaring Blazar TXS 0506+056: implications for High-Energy Neutrino Emission and Cosmic Ray Acceleration
• The Fermi blazar sequence
• The contribution of Fermi-2LAC blazars to the diffuse TeV-PeV neutrino flux
• The blazar TXS 0506+056 associated with a high-energy neutrino: insights into extragalactic jets and cosmic ray acceleration
• Modelling the coincident observation of a high-energy neutrino and a bright blazar flare
• Lepto-hadronic single-zone models for the electromagnetic and neutrino emission of TXS 0506+056
• Dissecting the region around IceCube-170922A: the blazar TXS 0506+056 as the first cosmic neutrino source
• Blazar Flares as an Origin of High-Energy Cosmic Neutrinos?
• TXS 0506+056, the first cosmic neutrino source, is not a BL Lac
• The redshift of the BL Lac object TXS 0506+056
• The relation between broad lines and gamma--ray luminosities in Fermi blazars
• Extreme blazars as counterparts of IceCube astrophysical neutrinos
• Are both BL Lacs and pulsar wind nebulae the astrophysical counterparts of IceCube neutrino events?
• The IceCube Neutrino Observatory - Contributions to ICRC 2017 Part II: Properties of the Atmospheric and Astrophysical Neutrino Flux
• Dissecting the regions around IceCube high-energy neutrinos: growing evidence for the blazar connection
• The 3HSP catalogue of Extreme & High Synchrotron Peaked Blazars
• Progress in unveiling extreme particle acceleration in persistent astrophysical jets
• A hadronuclear interpretation of a high-energy neutrino event coincident with a blazar flare
• Multi-Epoch Modeling of TXS 0506+056 and Implications for Long-Term High-Energy Neutrino Emission
• A two-zone model for blazar emission: implications for TXS 0506+056 and the neutrino event IceCube-170922A
• Connecting blazars with ultra high energy cosmic rays and astrophysical neutrinos
• High energy neutrino flux from individual blazar flares
• A Neutral Beam Model for High-Energy Neutrino Emission from the Blazar TXS 0506+056
• Star formation in high-redshift quasars: excess [O II] emission in the radio-loud population
• Open Universe for Blazars: a new generation of astronomical products based on 14 years of Swift-XRT data
• The IceCube Neutrino Observatory - Contributions to ICRC 2017 Part I: Searches for the Sources of Astrophysical Neutrinos
• AGILE detection of gamma-ray sources coincident with cosmic neutrino events
• The redshift and the host galaxy of the neutrino candidate 4FGL J0955.1+3551 (3HSP J095507.9+355101)
• The Open Universe Initiative

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• Leptohadronic Multimessenger Modeling of 324 Gamma-Ray Blazars
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• High-Energy Extragalactic Neutrino Astrophysics
• The Spectra of IceCube Neutrino (SIN) candidate sources -- II. Source Characterisation
• Optical spectroscopy of Blazars for the Cherenkov Telescope Array
• NGC 1068 constraints on neutrino-dark matter scattering
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• AM${}^3$: An Open-Source Tool for Time-Dependent Lepto-Hadronic Modeling of Astrophysical Sources
• Jet-cloud/star interaction as an interpretation of neutrino outburst from the blazar TXS 0506+056
• Neutrino follow-up with the Zwicky Transient Facility: Results from the first 24 campaigns
• LeHaMoC: a versatile time-dependent lepto-hadronic modeling code for high-energy astrophysical sources
• ASAS-SN follow-up of IceCube high-energy neutrino alerts
• GB6 J2113+1121: A multi-wavelength flaring gamma-ray blazar temporally and spatially coincident with the neutrino event IceCube-191001A
• A Two-Zone Model as origin of Hard TeV Spectrum in Extreme BL Lacs
• Hadronic X-ray Flares from Blazars
• Cosmogenic gamma-ray and neutrino fluxes from blazars associated with IceCube events
• The spectra of IceCube neutrino candidate sources -- I. Optical spectroscopy of blazars
• The redshift and the host galaxy of the neutrino candidate 4FGL J0955.1+3551 (3HSP J095507.9+355101)
• Neutrino Emission from Luminous Fast Blue Optical Transients
• PeV-EeV neutrinos from gamma-ray blazars due to ultrahigh-energy cosmic-ray propagation
• Hadronic signatures from magnetically dominated baryon-loaded AGN jets
• Multi-messenger detection prospects of gamma-ray burst afterglows with optical jumps
• Multimessenger Astronomy with Neutrinos
• VERITAS and multiwavelength observations of the Blazar B3 2247+381 in response to an IceCube neutrino alert
• Multi-messenger connection in high-energy neutrino astronomy
• Photohadronic Modelling of the 2010 Gamma-ray Flare from Mrk 421
• Constraining the baryon loading factor of AGN jets: implication from the gamma-ray emission of the Coma cluster
• Flat Spectrum Radio Quasars as high-energy neutrino sources
• Analytical Constraints on the Radius and Bulk Lorentz Factor in the Lepto-Hadronic One-Zone Model of BL Lacs
• Time Domain Astronomy with the THESEUS Satellite