KM3NeT kick-off meeting, Erlangen, 2006 E.G.Anassontzis, University of Athens

Pyramid on deck 2003 Current meter Thermometer Seismometer Transponder Acoustic modem Pressure sensor CTD (not installed up to now) Pyramid. sensors

KM3NeT kick-off meeting, Erlangen, 2006 E.G.Anassontzis, University of Athens Data from a depth of 4000 m During deployment (2003) Since deployment Environmental data from the Junction Box

KM3NeT kick-off meeting, Erlangen, 2006 E.G.Anassontzis, University of AthensSeismograms Date: 21 Feb 2002 Time (GMT): 08 40’ 41.9” Magn. (Local): 3.9 Lat.:  N; Long.:  E Depth : 34 km Date: 26 Jan 2002 Time (GMT): 20 05’ 33.6” Magn, (Local): 4.7 Lat.:  N; Long.:  E Depth : 5 km Data from a depth of 4000 m Reference Event, given by the Institute of Geodynamics, National Observatory of Athens, GEOPRO

KM3NeT kick-off meeting, Erlangen, 2006 E.G.Anassontzis, University of Athens Data from a depth of 4000 m Current meter data February 2002 Current speed and direction; measured with a MAVS-3 current meter MAVS-3

KM3NeT kick-off meeting, Erlangen, 2006 E.G.Anassontzis, University of Athens Data from a depth of 4000 m Current meter data April 2003 Current speed and direction; measured with a UCM-60 current meter Stick diagram UCM-60

KM3NeT kick-off meeting, Erlangen, 2006 E.G.Anassontzis, University of Athens PM Ts’ rat e Data from a depth of 4000 m Up-Looking PMTs Down-Looking PMTs PMTs’ Rates Bioluminescence Occurs for the 1.1% ± 0.1% of the Active Experimental Time

KM3NeT kick-off meeting, Erlangen, 2006 E.G.Anassontzis, University of Athens Bioluminescence rate Data from a depth of 4000 m

KM3NeT kick-off meeting, Erlangen, 2006 E.G.Anassontzis, University of AthensCorrelation Data from a depth of 4000 m Up Down

KM3NeT kick-off meeting, Erlangen, 2006 E.G.Anassontzis, University of Athens  Inoxidablematerial Titanium > best > light and strong and expensive Stainless steel > many alloys > sensitive in cavity corrosion > steel ropes and shackles Aluminium > special alloy > anodized Glass > PMT > housing >inoxidable Plastics > PVC, Polyethylene > ropes Glass fibers > light and strong > water ingress?  Isolation with plastic or rubber