Supernovae of Type Ib as off-center explosions in accreting white dwarfs?

Details Supernovae of Type Ib as off-center explosions in accreting white dwarfs? Supernovae of Type Ib as off-center explosions in accreting white dwarfs?

Aug 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...164l..13b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 164, no. 2, Aug. 1986, p. L13-L15.

Astronomy and Astrophysics

Astrophysics

67

Astronomical Models, Stellar Mass Accretion, Supernovae, White Dwarf Stars, Astronomical Spectroscopy, Companion Stars, Light Curve, Red Giant Stars, Spectral Line Width

Scientific paper

The authors infer from spectroscopy that the recently emphasized Type I supernova subclass, Type Ib, ejects a mixture of helium and iron at high velocity (≡3000 - 30,000 km s-1), followed by oxygen and other elements of intermediate mass at low velocity (<3000 km s-1). It is speculated that a Type Ib supernova arises from an off-center point detonation in a white dwarf that accretes matter at low efficiency from the wind of a red-giant binary companion.

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