SN 2019so

SN 2019so
	SN 2019so occurred within the galaxy NGC 4622, also known as the backward galaxy due to its spiral arms facing the opposite direction to most spiral galaxies
	Type Ia
Date	2019
Constellation	Centaurus
Right ascension	12h 42m 36.420s
Declination	−40° 44′ 46.79″
Distance	c. 200 million ly
Redshift	0.015
Host	NGC 4622
	[edit on Wikidata]

SN 2019so was a low redshift supernova in NGC 4622 located around 200 million light years from Earth in the constellation of Centaurus.^[2]^[1] It was discovered in 2019.^[2]

References

1 2 Baltay, C.; Grossman, L.; Howard, R.; Rabinowitz, D.; Arcavi, I.; Barbour, N.; Burke, J.; Contreras, C.; Dilday, B.; Graham, M.; Hiramatsu, D.; Hossenzadeh, G.; Howell, D. A.; McCully, C.; McKinnon, R. (2021-04-01). "Low-redshift Type Ia Supernova from the LSQ/LCO Collaboration". Publications of the Astronomical Society of the Pacific. 133 (1022): 044002. Bibcode:2021PASP..133d4002B. doi:10.1088/1538-3873/abd417. ISSN 0004-6280.
1 2 "2019so | Transient Name Server". www.wis-tns.org. Retrieved 2025-05-29.
↑ Chen, Ping; Dong, Subo; Kochanek, C. S.; Stanek, K. Z.; Post, R. S.; Stritzinger, M. D.; Prieto, J. L.; Filippenko, Alexei V.; Kollmeier, Juna A.; Elias-Rosa, N.; Katz, Boaz; Tomasella, Lina; Bose, S.; Ashall, Chris; Benetti, S.; Bersier, D.; Brimacombe, Joseph; Brink, Thomas G.; Brown, P.; Buckley, David A. H.; Cappellaro, Enrico; Christie, Grant W.; Fraser, Morgan; Gromadzki, Mariusz; Holoien, Thomas W.-S.; Hu, Shaoming; Kankare, Erkki; Koff, Robert; Lundqvist, P.; Mattila, S.; Milne, P. A.; Morrell, Nidia; Muñoz, J. A.; Mutel, Robert; Natusch, Tim; Nicolas, Joel; Pastorello, A.; Prentice, Simon; Roth, Tyler; Shappee, B. J.; Stone, Geoffrey; Thompson, Todd A.; Villanueva, Steven; Zheng, WeiKang (April 2022). "The First Data Release of CNIa0.02-A Complete Nearby (Redshift <0.02) Sample of Type Ia Supernova Light Curves". The Astrophysical Journal Supplement Series. 259 (2): 53. arXiv:2011.02461. Bibcode:2022ApJS..259...53C. doi:10.3847/1538-4365/ac50b7.

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