SIMBAD references

2006ApJ...652L.101M - Astrophys. J., 652, L101-L104 (2006/December-1)

The asymmetric explosion of type Ia supernovae as seen from near-infrared observations.

MOTOHARA K., MAEDA K., GERARDY C.L., NOMOTO K., TANAKA M., TOMINAGA N., OHKUBO T., MAZZALI P.A., FESEN R.A., HOFLICH P. and WHEELER J.C.

Abstract (from CDS):

We present near-infrared spectra of late-phase (>200 days) Type Ia supernovae (SNe Ia) taken at the Subaru Telescope. The [Fe II] line of SN 2003hv shows a clear flat-topped feature, while that of SN 2005W shows a less prominent flatness. In addition, a large shift in their line center, varying from -3000 to 1000 km/s with respect to the host galaxies, is seen. Such a shift suggests the occurrence of an off-center, nonspherical explosion in the central region and provides important, new constraints on the explosion models of SNe Ia.

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Journal keyword(s): Infrared: Stars - Stars: Supernovae: General - Stars: Supernovae: Individual: Alphanumeric: SN 2003du - supernovae: individual (SN 2003hv) - supernovae: individual (SN 2005W)

Simbad objects: 12

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