SN 2009ip was a
supernova
A supernova (: supernovae or supernovas) is a powerful and luminous explosion of a star. A supernova occurs during the last stellar evolution, evolutionary stages of a massive star, or when a white dwarf is triggered into runaway nuclear fusion ...
discovered in 2009 in the
spiral galaxy
Spiral galaxies form a galaxy morphological classification, class of galaxy originally described by Edwin Hubble in his 1936 work ''The Realm of the Nebulae'' NGC 7259 in the
constellation
A constellation is an area on the celestial sphere in which a group of visible stars forms Asterism (astronomy), a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object.
The first constellati ...
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 as ...
.
Since the brightness waned after days post-discovery, it was redesignated as
Luminous blue variable (LBV) supernova impostor.
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
Long stubs with short prose
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