Supernova 2008J: early time observations of a heavily reddened SN 2002ic-like transient
2012
ASTRONOMY & ASTROPHYSICS
DOI
10.1051/0004-6361/201220105
Aims. We provide additional observational evidence that some Type Ia supernovae (SNe Ia) show signatures of circumstellar interaction (CSI) with hydrogen-rich material.