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SN 2006jc
	Swift Ultraviolet/Optical Telescope image of Supernova 2006jc in the galaxy UGC 4904 in three filters. Credit: NASA/Swift/S. Immler
Event type	Supernova
	Ibn
Constellation	Lynx
Right ascension	9h 17m 20.81s
Declination	+41° 54′ 33″
Epoch	J2000.0
Host	UGC 4904
Peak apparent magnitude	<13.8
Other designations	SN 2006jc
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SN 2006jc was a type Ibn supernova that was detected on October 9, 2006 in the galaxy UGC 4904, which is about 77 million light-years away in the constellation Lynx.^[1]^[2] It was first seen by Japanese amateur astronomer Kōichi Itagaki, American amateur Tim Puckett, and Italian amateur Roberto Gorelli.^[2] Two years earlier, on 20 October 2004, the progenitor star produced a supernova impostor that was detected by Itagaki. This outburst was apparently the progenitor star shedding its outer layers. When the star exploded in 2006, the shockwave hit the material blown off in 2004, heating it to millions of degrees and emitting copious amounts of X-rays.^[2]

References

^ ^a ^b "SN 2006jc". Transient Name Server. IAU. Retrieved 13 November 2024.
^ ^a ^b ^c ^d "Supernova Imposter Goes Supernova". Goddard Space Flight Center. Archived from the original on 9 December 2015. Retrieved 28 June 2015.
^ ^a ^b ^c ^d "SN 2006JC - NED Search Result". NASA/IPAC EXTRAGALACTIC DATABASE - Caltech. Retrieved 2008-06-24.