arXiv subjects

L. J. Smith

Publications and source records attributed to L. J. Smith.

92 records · Page 6Linked to original sources

arXiv1995

An Observational Limit on Circumstellar H-Alpha from Supernova 1994D

We searched for narrow H$α$ 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, and find that it is competitive with recent radio limits, and excludes the highest-mass-loss-rate symbiotic systems as possible progenitors of the normal Type Ia SN 1994D.

astro-ph↗

arXiv1995

The Chemical Evolution of Damped Lyman Alpha Galaxies

Measurements of element abundances in damped Lyman alpha systems are providing new means to investigate the chemical evolution of galaxies, particularly at early times. We review progress in this area, concentrating on recent efforts to extend the range of existing surveys to both higher and lower redshifts.

astro-ph↗