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The Bruce Murray Space Image Library

Cherenkov Radiation on OSETI Telescope's AdvCam System

Cherenkov Radiation on OSETI Telescope's AdvCam System

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Curtis Mead

Cherenkov Radiation on OSETI Telescope's AdvCam System
What Cherenkov radiation looks like to the Planetary Society Optical SETI Telescope’s new AdvCam system in Harvard, Massachusetts. More accurately, this is a false color representation of pixels getting triggered within the system at varying intensities during a Cherenkov radiation event, created using actual data from an event. Each square is a PMT (Photomultiplier tube) and the sky images are split and sent to two identical sets of PMTs and only signals that appear on both are considered as “coincident pulses.” Here you see the signal on one of the PMTs on the left and on one on the right.

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