SN 2003du: Signatures of the Circumstellar Environment in a Normal Type Ia Supernova?

We present observations of the Type Ia supernova 2003du obtained with the Hobby-Eberly Telescope and report the detection of a high-velocity component in the Ca II infrared triplet near 8000 Aa, similar to features previously observed in SN 2000cx and SN 2001el. This feature exhibits a large expansi...

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Veröffentlicht in:	The Astrophysical journal 2004-05, Vol.607 (1), p.391-405
Hauptverfasser:	Gerardy, Christopher L, Höflich, Peter, Fesen, Robert A, Marion, G. H, Nomoto, Ken’ichi, Quimby, Robert, Schaefer, Bradley E, Wang, Lifan, Wheeler, J. Craig
Format:	Artikel
Sprache:	eng
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