Infrared supernova light curves and asymmetric stellar mass loss

Details Infrared supernova light curves and asymmetric stellar mass loss Infrared supernova light curves and asymmetric stellar mass loss

Jan 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988aj.....95..152e&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 95, Jan. 1988, p. 152-157.

Astronomy and Astrophysics

Astronomy

16

Infrared Stars, Light Curve, Stellar Mass Ejection, Supernovae, Asymmetry, Brightness, Interstellar Extinction, Mass Distribution, Stellar Envelopes, Supergiant Stars

Scientific paper

Infrared dust emission echos from Type II supernovae are a neutral consequence of the heating of circumstellar dust by the supernova light. Red supergiants, the likely progenitors of most Type II supernovae, are known in some cases to have asymmetric circumstellar envelopes. The authors note that an asymmetric dust distribution can have a substantial effect on the evolution of an infrared echo and they present results for an ellipsoidal dust distribution. The angle between the symmetry axis and the line of sight is unknown in any particular case so that detailed observations of a number of supernovae will be necessary to test for asymmetries. Asymmetries may also be observable in the radio structure of supernovae and in a possible scattered-light echo.

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