File:Cassiopeia A infrared echo (complete).jpg

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Captions

Captions

Cassiopeia A infrared echo (complete)

Summary

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Description
English: Almost the complete infrared echo around the supernova remnant Cassiopeia A. Images are difference images of unWISE images and colored from red (Neo 1 ca. 2014) to blue (Neo 7 ca. 2020). Allwise (ca. 2010) appears black, because of the way unWISE is processed.

A few regions in animated files:

North South Center

South:

Allwise: black

Neo 1: red

Neo 2: orange

Neo 3: yellow-green

Neo 4: green

Neo 5: cyan

Neo 6: light-blue

Neo 7: blue

Paper unWISE Allwise: https://ui.adsabs.harvard.edu/abs/2014AJ....147..108L/abstract

Paper unWISE NEOWISER 1: https://ui.adsabs.harvard.edu/abs/2017AJ....153...38M/abstract

Paper unWISE NEOWISER 7: https://ui.adsabs.harvard.edu/abs/2022RNAAS...6...62M/abstract

Image Credit: unWISE

filter: W2

website unWISE: http://unwise.me/
Date
Source Own work+unWISE
Author Meli thev

Licensing

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