78 lines
1.3 KiB
Plaintext
78 lines
1.3 KiB
Plaintext
Multi-Messenger Astrophysics
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Instruments and Observations
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Neutrino
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Basics
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Observatories: IceCube, ANTARES, KM3NET
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Interactions (CC, NC)
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Properties of this neutrino
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cc -> muon
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129TeV
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Followup of Antares showed nothing
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High Energy gamma ray
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Instruments
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Satellites(Fermi-LAT / AGILE)
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Observations
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Pinning to TXS 0506+056
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0.1 grad from best-fitting direction
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is blazar BL Lac
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redshift measured from a study triggered by this neutrion observation
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Elevated gamma emission
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automated processing showed flare (usual)
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VHE gamma
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Instruments
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IACT (HESS / MAGIC / VERITAS )
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HAWC
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Observations
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Upper limits on gamma-flux
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flux(E>175GeV) < 1e-11 1/cm/s
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MAGIC 2: signal 374 +- 62 photons
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probability constant flux: <0.0135
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Further observations prevented by full moon
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HAWC: no signal
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upper limits on redshift by attenuation of extragalactic background light
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z_upp = 0.6 to 1 depending on EBL model
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Radio
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Instruments
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VLA / OVRO
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Observations
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gradual increase over 18 months prior
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Optical
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Instruments
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redshift measure by Gran Telescopio Canarias
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X-ray
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Instruments
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Satellites
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Observations
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Spectrum fitting gives
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Total Spectrum
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Interpretations
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IceCube archival data -> neutrino in 2014
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Coincidence probability
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associate \nu with \gamma
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chance disfavored at 3\sigma
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Science to be extracted
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