Supernovae in early-type galaxies

Details Supernovae in early-type galaxies Supernovae in early-type galaxies

Jul 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ap%26ss.157..305k&link_type=abstract

(Instituto de Astrofisica de Canarias and Comision Interministerial de Ciencia y Tecnologia, Summer School on Evolutionary Pheno

Astronomy and Astrophysics

Astrophysics

7

Galactic Evolution, Star Formation, Supernovae, H Lines, Hubble Diagram

Scientific paper

It is argued that all SNI come from short-lived stars and do not occur in a typical, isolationist, gas-free early-type galaxy. SNI occur only in those galaxies which accrete gas and form stars. SN properties of E/SOs are, therefore, determined by environmental factors. Presence of gas and dust in early-type galaxies, SN occurrence, nuclear emission, and radio-activity are all manifestations of the same phenomenon, namely, availability of gas. What is now urgently required is multicolor photometry of supernovic early-type galaxies around the regions of recorded SN to see if there are signs of recent star-formation.

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