A Search for r-Process Elements in the VELA Supernova Remnant

Details A Search for r-Process Elements in the VELA Supernova Remnant A Search for r-Process Elements in the VELA Supernova Remnant

Aug 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995apj...449..688w&link_type=abstract

Astrophysical Journal v.449, p.688

Astronomy and Astrophysics

Astronomy

13

Ism: Abundances, Ism: Supernova Remnants, Nuclear Reactions, Nucleosynthesis, Abundances, Ultraviolet: Stars

Scientific paper

After a description of recent developments in the physics of rapid neutron capture in Type II supernovae and a discussion of the detectability of supernovae ejecta, we present the data from a search for Ge, Kr, Yb, Os, and Hg in five stars behind or within the Vela remnant. Only Ge ii was detected, but its column density and the upper limits of the other species show no excess above the estimated contribution of ambient gas. Finally, we discuss the extent that clumping and the improved performance of the GHRS may make r-process ejecta from Vela detectable in the future.

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