2 citations · 4 across the 6 of their papers we have counts for
Showing 1995Show all
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astro-ph1995
An Observational Limit on Circumstellar H-Alpha from Supernova 1994D
R. J. Cumming, P. Lundqvist, L. J. Smith +2
We searched for narrow H in a high-resolution spectrum of SN 1994D taken 10 days before maximum, and found none. We estimate the limit this places on the progenitor mass loss, a…
astro-ph1995
On the Oxygen Abundance of Neutral Gas in I Zw 18
Max Pettini, Keith Lipman
Whether the H II regions of dwarf emission-line galaxies are self-polluted by the nucleosynthetic products of massive stars remains an open question, despite recent claims to the c…
astro-ph1995
Element Abundances at High Redshifts: The N/O Ratio at Low Metallicity
K Lipman, M Pettini, R Hunstead
Our knowledge of galactic chemical evolution is currently limited to observations of Milky Way stars and H II regions of nearby galaxies. Damped Lyman~ systems offer a new appro…