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SN 1939C
Event type	Supernova
	SN.I:
Date	17 July 1939
Constellation	Cepheus
Right ascension	20:34:23.0
Declination	+60:09:37.3
Host	Fireworks Galaxy (NGC 6946)
Peak apparent magnitude	13.0
Other designations	SN 1939C, 2MASS J20342405+6009299, GPM 308.600512+60.158384, Gaia DR2 2194501518284091008
	[edit on Wikidata]

SN 1939C was a supernova in the Fireworks Galaxy discovered by Fritz Zwicky on 17 July 1939.^[3]^[1] With a right ascension of 20:34:23.0 and a declination of +60:09:37.3, it was 215"W and 24"N away from the center of the Fireworks Galaxy.^[1] It was found at magnitude 14.4, after it had peaked, and was estimated to have been as bright as magnitude 13.^[2]

References

^ ^a ^b ^c ^d ^e Frommert, Hartmut; Kronberg, Christine (9 March 2009), NGC 6946, retrieved 31 August 2011
^ ^a ^b ^c ^d Schlegel, E. M. (1994). "X-Ray Emission from the Historical Supernovae in the Spiral Galaxy NGC 6946: SN 1980K and 1968D Recovered". The Astronomical Journal. 108: 1893. Bibcode:1994AJ....108.1893S. doi:10.1086/117202.
^ Strömgren, Elis (2 September 1939). "Circular No. 793". Central Bureau for Astronomical Telegrams. Observatory Copenhagen IAU. Retrieved 19 December 2024.

External links

Light curve Archived 2017-12-22 at the Wayback Machine on the Open Supernova Catalog Archived 2016-03-03 at the Wayback Machine

This variable star–related article is a stub. You can help Wikipedia by expanding it.

[seds-1] Frommert, Hartmut; Kronberg, Christine (9 March 2009), NGC 6946, retrieved 31 August 2011

[astronomical_journal-2] Schlegel, E. M. (1994). "X-Ray Emission from the Historical Supernovae in the Spiral Galaxy NGC 6946: SN 1980K and 1968D Recovered". The Astronomical Journal. 108: 1893. Bibcode:1994AJ....108.1893S. doi:10.1086/117202.

[cbat-3] Strömgren, Elis (2 September 1939). "Circular No. 793". Central Bureau for Astronomical Telegrams. Observatory Copenhagen IAU. Retrieved 19 December 2024.

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