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How to evaluate multiplets
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David Anderson Send message Joined: 13 Feb 99 Posts: 173 Credit: 502,653 RAC: 0 |
Want to help us find ET? One way is to look at multiplets, and find ones that suggest problems or bugs in our algorithms or data. Lists of of multiplets are linked to from here. Look at the lists under "Top scores (adjusted). Pick a signal type. Eric, Jeff and I are looking at the top 30 of each type, so you might want to start after that. A multiplet page lists its signals. Some red flags: Signal times too close together. They should be from separate observations (telescope pointings) which means at least 1-2 minute separation. Currently there's a bug, and some multiplets have pixels only a few seconds apart. Excessive signal power. The reporting threshold is 24, and most signals should be in the 24-40 range. We're seeing spikes with powers like 130,000 and 32,000. These suggest a problem with the data.
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