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File:SN 2001ig in NGC 7424 (41148355564).jpg

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Seventeen years ago, astronomers witnessed supernova 2001ig go off 40 million light-years away in the galaxy NGC 7424, in the southern constellation Grus, the Crane. Shortly after SN 2001ig exploded, scientists photographed the supernova with the European Southern Observatory’s Very Large Telescope (VLT) in 2002. Two years later, they followed up with the Gemini South Observatory, which hinted at the presence of a surviving binary companion. As the supernova’s glow faded, scientists focused the NASA/ESA Hubble Space Telescope on that location in 2016. They pinpointed and photographed the surviving companion, which was possible only due to Hubble’s exquisite resolution and ultraviolet sensitivity. Hubble observations of SN 2001ig provide the best evidence yet that some supernovas originate in double-star systems.

More information: <a href="https://www.spacetelescope.org/images/opo1820a/" rel="nofollow">www.spacetelescope.org/images/opo1820a/</a>

Credit:

NASA, ESA, S. Ryder (Australian Astronomical Observatory), and O. Fox (STScI)
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Source SN 2001ig in NGC 7424
Author Hubble ESA

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This image was originally posted to Flickr by Hubble Space Telescope / ESA at https://flickr.com/photos/51268976@N08/41148355564. It was reviewed on 7 December 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

7 December 2020

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current15:16, 7 December 2020Thumbnail for version as of 15:16, 7 December 20201,280 × 987 (222 KB)Eyes Roger (talk | contribs)Transferred from Flickr via #flickr2commons

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