What is this
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by
jarts
Could somebody tell me what the heck this is?
Posted
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by
JeanTate
in response to jarts's comment.
Welcome to Galaxy Zoo, jarts!
It's a star in our own galaxy (the big blue bent-circle thing with the grid-like pattern and a cyan core). At the resolution of the UKIDSS telescope+camera, it's a point source, but ends up looking like this because of various physical effects, including internal reflections and different response characteristics of the three CCD (?) arrays that are the detector heart of the camera.
The object to classify is - I think - the smaller cyan-colored ball below the weird blue thing.
Happy hunting! 😃
Posted