On The Hydrogen Emission From The Type Ia Supernova 2002ic

Details On The Hydrogen Emission From The Type Ia Supernova 2002ic On The Hydrogen Emission From The Type Ia Supernova 2002ic

2003-12-18

arxiv.org/abs/astro-ph/0312508v1

Astrophys.J. 604 (2004) L53-L56

Astronomy and Astrophysics

Astrophysics

Scientific paper

10.1086/383411

The discovery of SN 2002ic and subsequent spectroscopic studies have led to the surprising finding that SN 2002ic is a Type Ia supernova with strong ejecta-circumstellar interaction. Here we show that nearly 1 year after the explosion the supernova has become fainter overall, but the H$\alpha$ emission has brightened and broadened dramatically compared to earlier observations. We have obtained spectropolarimetry data which show that the hydrogen-rich matter is highly aspherically distributed. These observations suggest that the supernova exploded inside a dense, clumpy, disk-like circumstellar environment.

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