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 10.9 mag to January 22.

SN 2014J discovery announce (CBET 3792)
CBAT "Transient Object Followup Report" for PSN J09554214+6940260
Possible SN 2014 in M82 classification (ATel 5786)
AAVSO Alert Notice 495 on Bright Type-Ia Supernova in M82
SN 2014J in M82 Resources, by David Bishop
NED data for SN 2014J
SIMBAD data for SN 2014J
Messier Galaxies and their Supernovae and Supernovae in Messier Catalog Galaxies pages
Supernova 2004am in M82
Supernova 2008iz in M82
Possible Supernova 2009 in M82

References

ATel 5786. [ADS: 2014ATel.5786....1C]

Hartmut Frommert
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Last Modification: December 9, 2014