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Help us decide which variable star we are seeing in the center of our Galaxy.
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We are monitoring the central part of the Milky Way with near infrared images. We see some stars that change brightness with time: they are called variable stars. Some, but not all (!), of them allow us to measure distances, a key ingredient to map our Universe. We need your help to identify the useful variables, and be able to build a 3D map of the center of our own Galaxy as never before!