Neutrino Telescopes Telescopes and Tau Neutrinoneutrino.pd.infn.it/NEUTEL09/Talks/Fargion.pdfVenice...
Transcript of Neutrino Telescopes Telescopes and Tau Neutrinoneutrino.pd.infn.it/NEUTEL09/Talks/Fargion.pdfVenice...
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
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•• GalileoGalileo OpticsOptics AstronomyAstronomy ruledruled 4 Century4 Century•• Maxwell Maxwell extensionsextensions ruledruled last Centurylast Century•• UHECR UHECR pp--HeHe newnew AstronomyAstronomy bornborn in 2007in 2007•• (9) New (9) New AstronomyAstronomy at the at the edgeedge•• 1) 1) NeutronNeutron AstronomyAstronomy: : GeVGeV--PeVsPeVs--EeVsEeVs--GZKGZK..•• 2) 2) AntiAnti--NeutronNeutron GZK GZK byby AntiAnti--GalaxiesGalaxies (?)(?)•• 3 ) 3 ) GravitationalGravitational WavesWaves (?) (?) AstronomyAstronomy•• 4) UHE SUSY 4) UHE SUSY AstronomyAstronomy: : NeutralinoNeutralino--????
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
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forfor HorizontalHorizontal Tau NeutrinoTau Neutrino 44
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UHECR astronomy and UHE Neutrino Astronomy ConnectionRemember : not one but 6 different Neutrino Astronomy at edge.
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 55
Different Cross-sections-DIFFERENT THRESHOLDS..and OPACITIES
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 66
The The leptonlepton thresholdsthresholds
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 77
EeV AGASA MAP 1999: A UHE NEUTRON ASTRONOMY? Denied by AUGER.Electron Neutrino ASTRONOMY inside huge Atmospheric Nu Noise: Sun +SN 1987A
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 88
SolarSolar FlareFlare atomsatoms astronomyastronomy ??
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
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NeutronNeutron AstronomyAstronomy: : SolarSolar FlareFlare byby OSSE 1991OSSE 1991
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
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WhyWhy so so muchmuch interest interest forfor the 20the 20°° JanuaryJanuary SolarSolar FlareFlare forfor NeutrinosNeutrinos??
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
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The The innerinner blowupblowup of last of last JanuaryJanuary 2005 2005 solarsolar flareflare
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 1212
LowerLower BoundBound byby ObservedObserved gammagamma-- pionpion bumpbump
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
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Megaton Megaton MustMust seesee theirtheir signalsignal ICDC in ICE ICDC in ICE CubeCube-- 5 Megaton5 Megaton-- maymay seesee FlareFlare, , butbut
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
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AntiAnti--neutrinosneutrinos are the best are the best
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 1616
Neutrino CROSS SECTIONSNeed for Large Volumes and Amplifiers
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
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UnstableUnstable tau versus tau versus muonsmuons at at highesthighest energyenergy A A NEUTRINO AMPLIFIERNEUTRINO AMPLIFIER D.FargionD.Fargion etet al. 1999al. 1999-- DF.ApJDF.ApJ 2002 and DF 2002 and DF etet al. al. ApJApJ 2004, DF 2004, DF etet al NIM 07, al NIM 07, NuclNucl PhysPhys B 09B 09
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
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forfor HorizontalHorizontal Tau NeutrinoTau Neutrino 1818
D.Fargion The Astrophysical Journal,570,p.909. 2002
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 3232
Total rate in Total rate in AugerAuger forfor Tau Tau AirshowerAirshower FargionFargion--20042004--20062006
![Page 33: Neutrino Telescopes Telescopes and Tau Neutrinoneutrino.pd.infn.it/NEUTEL09/Talks/Fargion.pdfVenice NEUTEL-11-03-09--Fargion:Neutrino Telescopes and Tau Neutrino 2 Flux Flux Number](https://reader033.fdocuments.us/reader033/viewer/2022042316/5f048e157e708231d40e8c8d/html5/thumbnails/33.jpg)
Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 3333
ElectromagneticElectromagnetic versus versus MuonMuon bundle: No bundle: No e.m.e.m. belowbelow 7575--8080oo OnlyOnly UHE UHE NeutrinosNeutrinos and and UpwardUpward Tau (10Tau (10--50 more) at 50 more) at horizonshorizons
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 3434SienaSiena--0404--1010--0808--Fargion D,Vertical Fargion D,Vertical
forfor HorizontalHorizontal Tau NeutrinoTau Neutrino 3434
The Ande Mountains The Ande Mountains asas a target a target forfor detectingdetecting UHE neutrino tau UHE neutrino tau byby HorizontalHorizontal AirAir--ShowersShowers at AUGER:at AUGER: ANDE ANDE SHADOWsSHADOWs (ring (ring maskmask at at horizonshorizons) on GZK ) on GZK CosmicCosmic RaysRays fromfrom West and Young West and Young HorizontalHorizontal Tau Tau AirAir--ShowersShowers at at EeVsEeVs
D.Fargion The Astrophysical Journal,570,p.909. 2002
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 3535SienaSiena--0404--1010--0808--Fargion D,Vertical Fargion D,Vertical
forfor HorizontalHorizontal Tau NeutrinoTau Neutrino 3535
The Ande The Ande ShadowsShadows on AUGERon AUGER
Pastor
et. All
2005
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 3636
Inclined Inclined Auger exampleAuger exampleCERN Courier July 25 2006
MC simulation of anevent with the same angle
Ricardo A. Vázquez
2-lobed
footprint
on
the
ground
due
to
muon
deflection
by the
geomagnetic
field
Signal
(VEM)
~ 30 k
m!!
880
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 3737
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 3838
The The RadiographyRadiography ofof the the showershower
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 3939SienaSiena--0404--1010--0808--Fargion D,Vertical Fargion D,Vertical
forfor HorizontalHorizontal Tau NeutrinoTau Neutrino 3939
First Answers in UHE neutrinos in AUGER: 10-20 yearsTAU inclined Air showers mostly from the Ande
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 4040SienaSiena--0404--1010--0808--Fargion D,Vertical Fargion D,Vertical
forfor HorizontalHorizontal Tau NeutrinoTau Neutrino 4040
Second Auger: 2007 predictions
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 4141SienaSiena--0404--1010--0808--Fargion D,Vertical Fargion D,Vertical
forfor HorizontalHorizontal Tau NeutrinoTau Neutrino 4141
Last Tau Last Tau updatedupdated NOW 08NOW 08-- Versus DF Versus DF -- RICAP 07RICAP 07
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 4242SienaSiena--0404--1010--0808--Fargion D,Vertical Fargion D,Vertical
forfor HorizontalHorizontal Tau NeutrinoTau Neutrino 4242
CountingCounting Tau on Tau on cloudsclouds ((AlsoAlso in in HessHess--MagicMagic and and VeritasVeritas) ) byby AUGER via AUGER via CherenkovCherenkov reflectionsreflections
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 4343SienaSiena--0404--1010--0808--Fargion D,Vertical Fargion D,Vertical
forfor HorizontalHorizontal Tau NeutrinoTau Neutrino 4343
UHECR versus Neutrino UHECR versus Neutrino AstronomiesAstronomies
••AttentionAttention: : NotNot just just oneone UHECR : UHECR : nuclei or nuclei or nucleonnucleon
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 4444SienaSiena--0404--1010--0808--Fargion D,Vertical Fargion D,Vertical
forfor HorizontalHorizontal Tau NeutrinoTau Neutrino 4444
CompositionComposition puzzlepuzzleAUGER AUGER Michael Unger , Pierre Michael Unger , Pierre AugerAuger JulyJuly
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 4545SienaSiena--0404--1010--0808--Fargion D,Vertical Fargion D,Vertical
forfor HorizontalHorizontal Tau NeutrinoTau Neutrino 4545
WhyWhy anan apparentapparent UHECRUHECR--SuperSuper GalacticGalactic CorrelationCorrelation? ? PolarizedPolarized-- RadioRadio show the link show the link betweenbetween CenCen A (3.8 A (3.8 MpcMpc))-- BB GalacticGalactic::
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 4646SienaSiena--0404--1010--0808--Fargion D,Vertical Fargion D,Vertical
forfor HorizontalHorizontal Tau NeutrinoTau Neutrino 4646
MapMap--Polarization2Polarization2
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 4747SienaSiena--0404--1010--0808--Fargion D,Vertical Fargion D,Vertical
forfor HorizontalHorizontal Tau NeutrinoTau Neutrino 4747
UHE Nuclei energy losses Pair productionA e+ e-
Universe size
Iron
Universe sizehelium
PhotodisintegrationA (A-1) N
(A-2) 2NDepletion of the flux
Iron Helium
Pair production has no particular effect on the flux
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 4848SienaSiena--0404--1010--0808--Fargion D,Vertical Fargion D,Vertical
forfor HorizontalHorizontal Tau NeutrinoTau Neutrino 4848
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 4949SienaSiena--0404--1010--0808--Fargion D,Vertical Fargion D,Vertical
forfor HorizontalHorizontal Tau NeutrinoTau Neutrino 4949
DeflectionsDeflections inside inside ourour GalaxyGalaxy and and alongalong GalacticGalactic PlanePlane towardtoward CenCen AA
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 5050SienaSiena--0404--1010--0808--Fargion D,Vertical Fargion D,Vertical
forfor HorizontalHorizontal Tau NeutrinoTau Neutrino 5050
So So lightestlightest nuclei nuclei maymay trace trace nearernearer UniverseUniverse notnot show show VirgoVirgo and and fitfit AUGER GZK AUGER GZK imprintimprint seesee astroastro--phph/0902.3290/0902.3290
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 5151SienaSiena--0404--1010--0808--Fargion D,Vertical Fargion D,Vertical
forfor HorizontalHorizontal Tau NeutrinoTau Neutrino 5151
CEN-A UHECRs
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 5252SienaSiena--0404--1010--0808--Fargion D,Vertical Fargion D,Vertical
forfor HorizontalHorizontal Tau NeutrinoTau Neutrino 5252
ConclusionsConclusions: UHECR : UHECR byby HeHe--likelike and and UHE Tau at UHE Tau at horizonshorizons•• The The LightestLightest Nuclei UHECR Nuclei UHECR maymay explainexplain the the
AUGER AUGER anisotropyanisotropy signalsignal bentbent byby verticalvertical galacticgalactic fieldfield: No : No VirgoVirgo maybemaybe due due toto earlyearly GZK GZK forfor HeHe and and apparentapparent Super Super GalacticGalactic correlationcorrelation byby unfortunateunfortunate chance chance
•• FutureFuture--presentpresent AugerAuger UHECR UHECR mustmust cluster cluster aroundaround CenCen A spread A spread alongalong B_galB_gal. . AxisAxis. . MostlyMostly in NORTH side. The Ande in NORTH side. The Ande ShadowsShadows in AUGER in AUGER hideshides taustaus
•• Neutrino Neutrino apperanceapperance alsoalso the the edgeedge IN AMIGA IN AMIGA AND HEAT AND HEAT lowerlower edgesedges
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 5353SienaSiena--0404--1010--0808--Fargion D,Vertical Fargion D,Vertical
forfor HorizontalHorizontal Tau NeutrinoTau Neutrino 5353
First First newnew predictionspredictions forfor HeHe
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 5454SienaSiena--0404--1010--0808--Fargion D,Vertical Fargion D,Vertical
forfor HorizontalHorizontal Tau NeutrinoTau Neutrino 5454
More at More at PeVsPeVs spread spread energyenergy
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 5555
MAGIC , while pointing a GRB , SGR or BL Lac Below The Horizons (~ 1% of the GRB-SGRs
events ) on rock behave (near EeV n t energy) as a 75 km3 NEUTRINO TELESCOPE
L t = 10 km w.e.l
t = 0.5 km w.e.
Horizons
distance
d=
167 km √(h/2.2 km) Cerenkov Shower
opening angle ~ 0.3°
Inclined
Rock Cilinder
depth
L t
~ 10 km
Inclined
Conic
Rock Base Area A ~ 3*50 =150 km2
Rock Cilinder
depth
l t
~ 0.5 km w.e.
astro-ph/0511597D. FargionProgh.Part.Nucl.Phys.57
(2006) 384-393.
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 5656SienaSiena--0404--1010--0808--Fargion D,Vertical Fargion D,Vertical
forfor HorizontalHorizontal Tau NeutrinoTau Neutrino 5656
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 5757SienaSiena--0404--1010--0808--Fargion D,Vertical Fargion D,Vertical
forfor HorizontalHorizontal Tau NeutrinoTau Neutrino 5757
In In ConclusionConclusion, , whilewhile Nuclei Nuclei shineshine up up HorizontallyHorizontally, , upup--wardward Tau Tau airair--ShowerShower rise rise byby a Neutrino Sky under a Neutrino Sky under ourour ownown SkySky
: the : the EarthEarth …….Within.Within a a fewfew 22--3 3 yearsyears in AUGERin AUGER--AMIGAAMIGA--HEATHEAT
P, He
P, He
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 5858
Thank you for the invitation andyour kind attention
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 5959
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 6060
SUSY Underground SUSY Underground withwith showersshowers
••IfIf UHE UHE neutralinoneutralino are are bornborn byby UHECR at the UHECR at the samesame rate of rate of UHE UHE neutrinosneutrinos ((asas in in topologicaltopological model model evaporationevaporation))
••ThanThan UHE UHE neutralinoneutralino maymay showershower in Underground Km^3in Underground Km^3
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 6161
RealReal Energy Energy releasedreleased per SUSY per SUSY ShowersShowers: : ImprintImprint of of SelectronsSelectrons (and (and SquarkSquark) mass) mass
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
Tau NeutrinoTau Neutrino 6262
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The UHE Neutralino-neutrino ShowersIn a Sneutrino-Burst as neutrino-anti-neutrino In Z-Burst model.A remind for ZBurst model, ableTo solve UHECRPuzzle by light relic0.4-0.1 eVneutrinoMass.
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
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25 APRIL 2008 : a 25 APRIL 2008 : a hugehuge FlareFlare
•• Wow! Satellite Wow! Satellite CatchesCatches BrightBright SolarSolar FlareFlare FromFrom a a AnotherAnother StarStar•• Satellite Satellite CatchesCatches BrightBright SolarSolar FlareFlare FromFrom a a AnotherAnother StarStar
•• NASA's NASA's SwiftSwift satellite satellite pickedpicked up up oneone ofof the the brightestbrightest solarsolar flaresflares everever seenseen —— notnot fromfrom ourour ownown sunsun,,•• butbut a star 16 a star 16 lightlight--yearsyears awayaway. . ThisThis flareflare packedpacked the the powerpower ofof thousandsthousands ofof solarsolar flaresflares combinedcombined, , •• and a and a flareflare ofof thisthis magnitudemagnitude fromfrom ourour ownown sunsun wouldwould havehave strippedstripped EarthEarth's atmosphere and 's atmosphere and
sterilizedsterilized•• the the planetplanet. . AstronomersAstronomers saysay the the flareflare wouldwould havehave beenbeen visiblevisible toto the the nakednaked eyeeye on on AprilApril 25, 2008 25, 2008 •• ifif the star the star hadhad beenbeen easilyeasily observableobservable in the night in the night skysky at the at the timetime. As . As itit waswas, the , the flareflare's 's brightnessbrightness•• causedcaused SwiftsSwifts' ' UltravioletUltraviolet//OpticalOptical TelescopeTelescope toto shutshut down down forfor safetysafety reasonsreasons..•• ButBut SwiftSwift waswas ableable toto studystudy the the flareflare forfor overover 8 8 hourshours withwith itsits XX--rayray capabilitiescapabilities..
•• The The SwiftSwift satellite satellite normallynormally searchessearches forfor gamma gamma rayray burstsbursts,,•• and and isis surroundedsurrounded withwith detectorsdetectors thatthat look look forfor burstsbursts ofof light.light.•• The The spacecraftspacecraft thenthen ""swiftlyswiftly" and " and autonomouslyautonomously rere--pointspoints itselfitself toto the location the location ofof the the burstburst..•• HoweverHowever, , thisthis waswas no gamma no gamma rayray burstburst, just a , just a solarsolar flareflare. . ButBut whatwhat a a solarsolar flareflare!!
•• The star, EV The star, EV LacertaeLacertae, , isis a a basicbasic redred dwarfdwarf, the , the mostmost common common typetype ofof star in the star in the universeuniverse..•• ItIt shinesshines withwith onlyonly oneone percentpercent ofof the the SunSun's light, and 's light, and containscontains onlyonly a a thirdthird ofof the the SunSun's mass.'s mass.•• ItIt's 's oneone ofof ourour closestclosest stellar stellar neighborsneighbors, , butbut normallynormally isis notnot visiblevisible withwith the the nakednaked eyeeye, , •• asas itit holdsholds a a magnitudemagnitude ofof --10.10.
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
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Radio versus UHECRRadio versus UHECR
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
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UHECR versus IR: A UHECR versus IR: A clearclear NearbyNearby UniverseUniverse SignalSignal??
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
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Venice NEUTELVenice NEUTEL--1111--0303--0909----Fargion:Neutrino Telescopes and Fargion:Neutrino Telescopes and
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