File:A failed supernova? (42393883795).jpg

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DescriptionA failed supernova? (42393883795).jpg	Glowing warmly against the dark backdrop of the Universe, this image from the NASA/ESA Hubble Space Telescope shows an irregular galaxy called UGC 12682. Located approximately 70 million light-years away in the constellation of Pegasus (The Winged Horse), UGC 12682 is distorted and oddly-structured, with bright pockets of star formation. More information: <a href="https://www.spacetelescope.org/images/potw1828a/" rel="nofollow">www.spacetelescope.org/images/potw1828a/</a> Credit: ESA/Hubble & NASA
Date	9 July 2018, 06:00
Source	A failed supernova?
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@N08/42393883795. 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.

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Credit/Provider	ESA/Hubble & NASA
Source	ESA/Hubble
Short title	A failed supernova?
Image title	Glowing warmly against the dark backdrop of the Universe, this image from the NASA/ESA Hubble Space Telescope shows an irregular galaxy called UGC 12682. Located approximately 70 million light-years away in the constellation of Pegasus (The Winged Horse), UGC 12682 is distorted and oddly-structured, with bright pockets of star formation. In November 2008, 14-year-old Caroline Moore from New York discovered a supernova in UGC 12682. This made her the youngest person at the time to have discovered a supernova. Follow-up observations by professional astronomers of the so-called SN 2008ha showed that it was peculiarly interesting in many different ways: its host galaxy UGC 12862 rarely produces supernovae. It is one of the faintest supernovae ever observed and after the explosion it expanded very slowly, suggesting that the explosion did not release copious amounts of energy as usually expected. Astronomers have now classified SN2008ha as a subclass of a Type Ia supernova, which is the explosion of a white dwarf that hungrily accretes matter from a companion star. SN 2008ha may have been the result of a partially failed supernova, explaining why the explosion failed to decimate the whole star.
Usage terms	Creative Commons Attribution 4.0 International License
Date and time of data generation	06:00, 9 July 2018
JPEG file comment	Glowing warmly against the dark backdrop of the Universe, this image from the NASA/ESA Hubble Space Telescope shows an irregular galaxy called UGC 12682. Located approximately 70 million light-years away in the constellation of Pegasus (The Winged Horse), UGC 12682 is distorted and oddly-structured, with bright pockets of star formation. In November 2008, 14-year-old Caroline Moore from New York discovered a supernova in UGC 12682. This made her the youngest person at the time to have discovered a supernova. Follow-up observations by professional astronomers of the so-called SN 2008ha showed that it was peculiarly interesting in many different ways: its host galaxy UGC 12862 rarely produces supernovae. It is one of the faintest supernovae ever observed and after the explosion it expanded very slowly, suggesting that the explosion did not release copious amounts of energy as usually expected. Astronomers have now classified SN 2008ha as a subclass of a Type Ia supernova, which is the explosion of a white dwarf that hungrily accretes matter from a companion star. SN 2008ha may have been the result of a partially failed supernova, explaining why the explosion failed to decimate the whole star.
Keywords	UGC 12682
Contact information	http://www.spacetelescope.org Karl-Schwarzschild-Strasse 2 Garching bei München, , D-85748 Germany
IIM version	4

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