Disk Detective Talk

strange "stripe'

  • marca by marca

    Is the light blue "stripe" on the right side in WISE4-image an artefact? Or something else?

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  • voyager1682002 by voyager1682002 moderator

    Looks like contamination from a bright object.

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  • TED91 by TED91 moderator

    Actually it's diffraction spike from nearby bright star

    enter image description here

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  • voyager1682002 by voyager1682002 moderator

    An interesting read on artifacts - http://wise2.ipac.caltech.edu/docs/release/allsky/expsup/sec4_4g.html

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  • marca by marca

    Thanks all! The read on artefacts is indeed interesting!

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  • marca by marca

    thanks, it's indeed an interesting , good and helpful read

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