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SN 2009ip

Event type	Supernova
type IIn
Constellation	Piscis Austrinus
Right ascension	22 23 08.26
Declination	−28° 56′ 52.4″
Epoch	J2000.0
Notable features	located in the host galaxy NGC 7259
[edit on Wikidata]

SN 2009ip was a supernova discovered in 2009 in the spiral galaxy NGC 7259 in the constellation of Piscis Austrinus. 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

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: 1. 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: 1. Bibcode:2012ATel.4431....1B.

Further reading

• Graham, M. L.; et al. (August 2017). "Clues to the nature of SN 2009ip - II. The continuing photometric and spectroscopic evolution to 1000 days". Monthly Notices of the Royal Astronomical Society. 469 (2): 1559–1572. arXiv:1704.05868. Bibcode:2017MNRAS.469.1559G. doi:10.1093/mnras/stx948.

• Smith, Nathan; et al. (December 2016). "Massive stars dying alone: the extremely remote environment of SN 2009ip". Monthly Notices of the Royal Astronomical Society. 463 (3): 2904–2911. arXiv:1607.01056. Bibcode:2016MNRAS.463.2904S. doi:10.1093/mnras/stw2190.

• Fraser, Morgan; et al. (November 2015). "SN 2009ip at late times - an interacting transient at +2 years". Monthly Notices of the Royal Astronomical Society. 453 (4): 3886–3905. arXiv:1502.06033. Bibcode:2015MNRAS.453.3886F. doi:10.1093/mnras/stv1919.

• Martin, J. C.; Hambsch, F. -J.; Margutti, R.; Tan, T. G.; Curtis, I.; Soderberg, A. (January 2015). "A Closer Look At the Fluctuations in the Brightness of Sn 2009ip During Its Late 2012 Eruption". The Astronomical Journal. 149 (1): 11. arXiv:1308.3682. Bibcode:2015AJ....149....9M. doi:10.1088/0004-6256/149/1/9. S2CID 119305730. 9.

• Mauerhan, Jon; et al. (August 2014). "Multi-epoch spectropolarimetry of SN 2009ip: direct evidence for aspherical circumstellar material". Monthly Notices of the Royal Astronomical Society. 442 (2): 1166–1180. arXiv:1403.4240. Bibcode:2014MNRAS.442.1166M. doi:10.1093/mnras/stu730.

• Graham, M. L.; et al. (June 2014). "Clues to the Nature of SN 2009ip from Photometric and Spectroscopic Evolution to Late Times". The Astrophysical Journal. 787 (2): 16. arXiv:1402.1765. Bibcode:2014ApJ...787..163G. doi:10.1088/0004-637X/787/2/163. S2CID 119288029. 163.

• Smith, Nathan; et al. (February 2014). "SN 2009ip and SN 2010mc: core-collapse Type IIn supernovae arising from blue supergiants". Monthly Notices of the Royal Astronomical Society. 438 (2): 1191–1207. arXiv:1308.0112. Bibcode:2014MNRAS.438.1191S. doi:10.1093/mnras/stt2269.

• Margutti, R.; et al. (January 2014). "A Panchromatic View of the Restless SN 2009ip Reveals the Explosive Ejection of a Massive Star Envelope". The Astrophysical Journal. 780 (1): 38. arXiv:1306.0038. Bibcode:2014ApJ...780...21M. doi:10.1088/0004-637X/780/1/21. S2CID 6574735. 21.

• Levesque, Emily M.; et al. (January 2014). "The Peculiar Balmer Decrement of SN 2009ip: Constraints on Circumstellar Geometry". The Astronomical Journal. 147 (1): 9. arXiv:1211.4577. Bibcode:2014AJ....147...23L. doi:10.1088/0004-6256/147/1/23. S2CID 119190791. 23.

• Ouyed, Rachid; et al. (December 2013). "SN 2009ip and SN 2010mc as dual-shock Quark-Novae". Research in Astronomy and Astrophysics. 13 (12): 1463–1470. arXiv:1308.3927. Bibcode:2013RAA....13.1463O. doi:10.1088/1674-4527/13/12/007. S2CID 56112524. 1463-1470.

• Fraser, Morgan; et al. (August 2013). "SN 2009ip à la PESSTO: no evidence for core collapse yet". Monthly Notices of the Royal Astronomical Society. 433 (2): 1312–1337. arXiv:1303.3453. Bibcode:2013MNRAS.433.1312F. doi:10.1093/mnras/stt813.

• Ofek, E. O.; et al. (May 2013). "SN 2009ip: Constraints on the Progenitor Mass-loss Rate". The Astrophysical Journal. 768 (1): 8. arXiv:1303.3894. Bibcode:2013ApJ...768...47O. doi:10.1088/0004-637X/768/1/47. S2CID 35376711. 47.

• Mauerhan, Jon C.; et al. (April 2013). "The unprecedented 2012 outburst of SN 2009ip: a luminous blue variable star becomes a true supernova". Monthly Notices of the Royal Astronomical Society. 430 (3): 1801–1810. arXiv:1209.6320. Bibcode:2013MNRAS.430.1801M. doi:10.1093/mnras/stt009.

• Pastorello, A.; et al. (April 2013). "Interacting Supernovae and Supernova Impostors: SN 2009ip, is this the End?". The Astrophysical Journal. 767 (1): 19. arXiv:1210.3568. Bibcode:2013ApJ...767....1P. doi:10.1088/0004-637X/767/1/1. S2CID 118444634. 1.

• Potashov, M.; et al. (April 2013). "Direct distance measurements to SN 2009ip". Monthly Notices of the Royal Astronomical Society. 431: L98 – L101. arXiv:1212.6893. Bibcode:2013MNRAS.431L..98P. doi:10.1093/mnrasl/slt016.

• Soker, Noam; Kashi, Amit (February 2013). "Explaining the Supernova Impostor SN 2009ip as Mergerburst". The Astrophysical Journal Letters. 764 (1): 4. arXiv:1211.5388. Bibcode:2013ApJ...764L...6S. doi:10.1088/2041-8205/764/1/L6. S2CID 119298499. L6.

• Miller, A. A.; et al. (September 2009). "A Previous Transient Consistent with the Location of SN 2009ip Suggests that SN 2009ip is Not a Supernova". The Astronomer's Telegram. 2183: 1. Bibcode:2009ATel.2183....1M.

• Berger, E.; et al. (September 2009). "SN 2009ip is an LBV Outburst". The Astronomer's Telegram. 2184: 1. Bibcode:2009ATel.2184....1B.

External links

• Light curves and spectra Archived 2017-12-02 at the Wayback Machine on the Open Supernova Catalog Archived 2016-03-03 at the Wayback Machine
• Supernova 2009ip in NGC 7259 Rochester Academy of Science

v t e Supernovae
Classes	Type Ia Type Iax Type Ib and Ic Type II (IIP, IIL, IIn, and IIb) Hypernova Superluminous Pair-instability Calcium-rich Common envelope jets supernova
Physics of	Carbon detonation Foe/Bethe Near-Earth Phillips relationship Nucleosynthesis p-process r-process γ-process Neutrinos
Related	Failed Fast blue optical transient Fast radio burst Gamma-ray burst Gravitational wave Kilonova Luminous red nova Micronova Nova Pulsar kick Quark-nova Soft gamma repeater Imposter pulsational pair-instability Symbiotic nova
Progenitors	Hypergiant yellow Red Luminous blue variable Supergiant blue red yellow White dwarf Wolf–Rayet star Super-AGB star Population III star
Remnants	Supernova remnant Pulsar wind nebula Neutron star pulsar magnetar Stellar black hole Compact star electroweak exotic quark Zombie star Local Bubble Superbubble Orion–Eridanus
Discovery	Guest star History of supernova observation Timeline of white dwarfs, neutron stars, and supernovae
Lists	Candidates Notable Massive stars Most distant Remnants In fiction
Notable	Barnard's Loop Cassiopeia A SN 1054 Crab Nebula iPTF14hls SN 1000+0216 Tycho's Kepler's SN 1885A SN 1987A SN 1994D SN 185 SN 1006 SN 2003fg Remnant G1.9+0.3 SN 2007bi SN 2011fe SN 2014J SN Refsdal Vela Remnant SN 2006gy ASASSN-15lh SN 2016aps SN 2018cow SN 2022jli SN H0pe
Research	ASAS-SN Calán/Tololo Survey High-Z Supernova Search Team Katzman Automatic Imaging Telescope Monte Agliale Supernovae and Asteroid Survey Nearby Supernova Factory Sloan Supernova Survey Supernova/Acceleration Probe Supernova Cosmology Project SuperNova Early Warning System Supernova Legacy Survey Texas Supernova Search
Category:Supernovae Commons:Supernovae

v t e Constellation of Piscis Austrinus
List of stars in Piscis Austrinus Piscis Austrinus in Chinese astronomy
Stars	Bayer α (Fomalhaut) A B β γ δ ε ζ η θ ι λ μ π τ υ Flamsteed 5 6 7 8 11 13 19 20 21 Variable RW TY UU VZ WX HD 205739 (Sāmaya) 207832 216770 217987
Exoplanets HD 205739 b (Samagiya) HD 216770 b
Galaxies	NGC 7110 7130 7172 7259 7314 Other BDF-521 BDF-3299 PKS 2155-304 PKS 2255-282
Galaxy clusters Abell S1077
Astronomical events SN 2009ip Fomalhaut b (Dagon)
Category

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• Astronomical objects discovered in 2009
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• Luminous blue variables
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