Foreground star, Artifact or Supernova ?
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by
bluemagi
This looks like a foreground star. It appears in DECalS but not in the Sdss. So I am not sure what it is.
Posted
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by
Budgieye
moderator
It might be a slow moving asteroid. The star in the same field showed poor stacking of colour.
http://legacysurvey.org/viewer/jpeg-cutout/?ra=180.6477&dec=20.4107&zoom=16&layer=decals-dr2
b nearby asteroid for comparison
http://legacysurvey.org/viewer/jpeg-cutout/?ra=180.9399&dec=20.4476&zoom=16&layer=decals-dr2
star in same field
http://legacysurvey.org/viewer/jpeg-cutout/?ra=180.6575&dec=20.4089&zoom=16&layer=decals-dr2
Posted