83 citations · 155 across the 5 of their papers we have counts for
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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…
astro-ph2004
Rings in the Haloes of Planetary Nebulae
R. L. M. Corradi, P. Sanchez-Blazquez, G. Mellema +2
We present a search for rings or arcs in the haloes of planetary nebulae (PNe). We discovered such structures in eight PNe, tripling the sample of PNe with known rings. This shows…