Supernova 2014J in M82

Supernova 2014J, also known by its provisional designation PSN J09554214+6940260, was detected in M82 by Stephen J. Fossey of the University College London Observatory on January 21, 2014, and measured at magnitude 11.7 on January 21. It was found located 54"W and 21"S of the center of M82. It was classified as of type Ia from its spectrum, with expansion velocity 20,000 km/s in its Si II lines, and found on prediscovery images by the 48" Palomar Schmidt telescope. Brightness was rising to a peak of about 10.1 mag around February 2 or 3. References

Hartmut Frommert

[SEDS] [MAA] [Home] [Back to M82]

Last Modification: December 9, 2014