449 citations · 4.4k across the 88 of their papers we have counts for
8 papers · 1 filter
Stellar yields and chemical evolution - The solar neighborhood as a calibrator
Daniel Thomas, Laura Greggio, Ralf Bender
Uncertainties in stellar nucleosynthesis and their impact on models of chemical evolution are discussed. Comparing the Type II supernova nucleosynthesis prescriptions from Woosley…
A Near-Infrared Stellar Census of the Blue Compact Dwarf Galaxy VII~Zw~403
Regina E. Schulte-Ladbeck, Ulrich Hopp, Laura Greggio +1
We present near-infrared single-star photometry for the low-metallicity Blue Compact Dwarf galaxy VII~Zw~403. We achieve limiting magnitudes of F110W~~25.5 and F160W~$\app…
The uncertainties in the synthetic indices for stellar populations
Claudia Maraston, Laura Greggio, Daniel Thomas
The study of line strengths in the spectra of early-type galaxies has proven to be a powerful tool for investigating the age and the metallicity of these systems. When computing mo…
A Stellar Population Gradient in VII Zw 403 - Implications for the Formation of Blue Compact Dwarf Galaxies
Regina E. Schulte-Ladbeck, Ulrich Hopp, Mary M. Crone +1
We present evidence for the existence of an old stellar halo in the Blue Compact Dwarf galaxy VII Zw 403. VII Zw 403 is the first Blue Compact Dwarf galaxy for which a clear spatia…
The Star Formation History of IZw18
A. Aloisi, M. Tosi, L. Greggio
The star formation history in IZw18 has been inferred from HST/WFPC2 archival data. This is done by comparing the derived V, B-V and V, V-I color-magnitude diagrams and luminosity…
Probing early-type galaxy evolution with the Kormendy relation
B. L. Ziegler, R. P. Saglia, R. Bender +3
We investigate the evolution of early-type galaxies in four clusters at z=0.4 (Abell370, Cl0303+17, Cl0939+47 and Cl1447+26) and in one at z=0.55 (Cl0016+16). The galaxies are sele…