SN 2003cg: a Type Ia in NGC 3169

Details SN 2003cg: a Type Ia in NGC 3169 SN 2003cg: a Type Ia in NGC 3169

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aspc..342..247e&link_type=abstract

1604-2004: Supernovae as Cosmological Lighthouses, ASP Conference Series, Vol. 342, Proceedings of the conference held 15-19 Jun

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We present the optical and near-IR photometry and spectroscopy of the type Ia SN 2003cg from day -9 to day +386 from B maximum. SN 2003cg reached an apparent magnitude at maximum B_{max}=15.94 and had a post-maximum decline rate Δm_{15}(B)=1.17. The overall appearance was normal, both photometrically and spectroscopically. However, the extinction deduced in severals ways gives an exceptionally high E(B-V)˜1.15, with an unusual R_v˜2.0.

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