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SN 2009ip was a supernova discovered in 2009 in the
spiral galaxy Spiral galaxies form a class of galaxy originally described by Edwin Hubble in his 1936 work ''The Realm of the Nebulae''NGC 7259 in the constellation of
Piscis Austrinus Piscis Austrinus is a constellation in the southern celestial hemisphere. The name is Latin for "the southern fish", in contrast with the larger constellation Pisces, which represents a pair of fish. Before the 20th century, it was also known a ...
. Since the brightness waned after days post-discovery, it was redesignated as Luminous blue variable (LBV)
Supernova impostor Supernova impostors are stellar explosions that appear at first to be a supernova but do not destroy their progenitor stars. As such, they are a class of extra-powerful novae. They are also known as Type V supernovae, Eta Carinae analogs, and g ...
. During the following years several luminous outbursts were detected from the SN 2009ip. In September 2012 SN 2009ip was classified as a young type IIn supernova.


References


Further reading

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External links


Light curves and spectra
on th
Open Supernova Catalog


Rochester Academy of Science Supernovae Astronomical objects discovered in 2009 Piscis Austrinus Luminous blue variables {{var-star-stub