Large Magellanic Cloud, 1987 (51.4 kparsec) SN 1987a after before 2006 Hubble.
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Transcript of Large Magellanic Cloud, 1987 (51.4 kparsec) SN 1987a after before 2006 Hubble.
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Large Magellanic Cloud, 1987 (51.4 kparsec)
SN 1987a
after before
2006Hubble
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Precursor of Superkamiokande
H2O
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8 more events in IMB
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Crab, 1054
About 1 SN every 30 years in our galaxy
Einstein satellite (X)
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Where does the acceleration take place?
Cosmic rays
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Look for the neutrals, not deflected in B fields, to identify, the sites of acceleration
HE gamma and neutrino astronomy
: created by synchrotronstrahlung, decay
from decay:
or very high energy charged particles
Candidates: Fermi (SN remnants…)
AGN, pulsars, …
0
K,
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From a presentation by: Paul Mantsch Auger Project Manger
Building the Pierre Auger Observatory (Argentina)
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Adventures in Cosmic Ray Physics
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The Design
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The Observatory Plan
Surface Array 1600 detector stations 1.5 km spacing 3000 km2
Fluorescence Detectors 4 Telescope enclosures 6 Telescopes per
enclosure 24 Telescopes total
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The Surface Array Detector Station
Communications antenna
Electronics enclosure
3 – nine inchphotomultipliertubes
Solar panels
Plastic tank with 12 tons of water
Battery box
GPS antenna
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EGRET on Compton Gamma Ray Observatory (NASA)
ee
Galactic view
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Active Galactic Nucleus (AGN)
Matter accreting on supermassive black hole at center of galaxy
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Gamma ray burst (GRB)
must be « small » size sources
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Microquasar: binary systems with a black hole
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Ground based: look for electromagnetic shower induced in the upper atmosphere, measure Cerenkov light E>10 GeV
HESS in Namibia
(others: MAGIC in Mallorca,
future (CTA))
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shower hadron shower
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HESS, stereoscopic view
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Look for upward going muons
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Neutrino astronomy principles
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Antares
Mediterranean, off Toulon, 3000 m deep, 0.1 km2
42:1n
1cos35.1nm60
Cerenkov light
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t
height
Downward going muon
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Antares, 0.1 km2 at the bottom of the Mediterreanean (3000 m deep),
Starting to take data
But: needs 1 km3!!!