229 citations · 461 across the 18 of their papers we have counts for
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astro-ph2004
Expansive components in H II regions
M. Relano, J. E. Beckman
We study the presence of low intensity high velocity components, which we have termed wing features in the integrated Halpha emission line profiles of the HII region populations of…
astro-ph2004
On the Environmental Dependence of Cluster Galaxy Assembly Timescale
C. Carretero, A. Vazdekis, J. E. Beckman +2
We present estimates of CN and Mg overabundances with respect to Fe for early-type galaxies in 8 clusters over a range of richness and morphology. Spectra were taken from the Sloan…