Figure 7 from Nebular Phase Observations of the Type Ib Supernova 2008D/X-ray Transient 080109: Side-viewed Bipolar Explosion

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Nebular Phase Observations of the Type Ib Supernova 2008D/X-ray Transient 080109: Side-viewed Bipolar Explosion

Authors: Masaomi Tanaka, Masayuki Yamanaka, Keiichi Maeda, Koji S. Kawabata, Takashi Hattori, Takeo Minezaki, Stefano Valenti, Massimo Della Valle, D. K. Sahu, G. C. Anupama, Nozomu Tominaga, Ken'ichi Nomoto, Paolo A. Mazzali, and Elena Pian

TANAKA et al. 2009 The Astrophysical Journal 700 1680.

Provider: AAS Journals

Caption: Figure 7.

Schematic illustration of a bipolar explosion model for SN 2008D. O-rich material forms a torus-like distribution. The emission line from the torus-like distribution has a double-peaked profile if it is seen from near the equatorial direction ( gsim 50° from the pole).

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