SN 2009ip

SN 2009ip was a supernova discovered in 2009 in the spiral galaxy NGC 7259 in the constellation of Piscis Austrinus.[1] Since the brightness waned after days post-discovery, it was redesignated as Luminous blue variable (LBV) Supernova impostor.[2]

SN 2009ip
Event typeSupernova 
Spectral classtype IIn
ConstellationPiscis Austrinus
Right ascension22h 23m 08.26s[1]
Declination−28° 56′ 52.4″[1]
EpochJ2000.0
Notable featureslocated in the host galaxy NGC 7259

During the following years several luminous outbursts were detected from the SN 2009ip.[3][2] In September 2012 SN 2009ip was classified as a young type IIn supernova.[4]

References
  1. "NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved December 4, 2017.
  2. "Supernova impostor explodes for real". www.newscientist.com. Retrieved November 29, 2017.
  3. Drake, A. J; Howerton, S; McNaught, R; Djorgovski, S. G; Mahabal, A. A; Graham, M. J; Williams, R; Prieto, J; Catelan, M; Christensen, E; Larson, S (2012). "A New Luminous Outburst from SN 2009ip". The Astronomer's Telegram. 4334. Bibcode:2012ATel.4334....1D.
  4. Burgasser, Adam; Nicholls, C; Aberasturi, Miriam (2012). "NIR Spectrum of SN 2009ip on 2012 Sep 27.3 Confirms Interpretation as a Type IIn". The Astronomer's Telegram. 4431. Bibcode:2012ATel.4431....1B.


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