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VLT spectroscopy of low-metallicity emission-line galaxies: abundance patterns and abundance discrepancies
N. G. Guseva, Y. I. Izotov, G. Stasinska +3
(abridged) We present deep spectroscopy of a large sample of low-metallicity emission-line galaxies. The main goal of this study is to derive element abundances in these low-metall…
CALIFA, the Calar Alto Legacy Integral Field Area survey: I. Survey presentation
S. F. Sanchez, R. C. Kennicutt, A. Gil de Paz +69
We present here the Calar Alto Legacy Integral Field Area (CALIFA) survey, which has been designed to provide a first step in this direction.We summarize the survey goals and desig…
I Zw 18 as morphological paradigm for rapidly assembling high-z galaxies
Polychronis Papaderos, Goran Ostlin
IZw18, ever since regarded as the prototypical blue compact dwarf (BCD) galaxy, is, quite ironically, the most atypical BCD known. This is because its large exponential low-surface…
3D Spectroscopic Observations of Star-Forming Dwarf Galaxies
Peter M. Weilbacher, Luz Marina Cairos, Nicola Caon +1
We give an introduction into the observational technique of integral field or 3D spectroscopy. We discuss advantages and drawbacks of this type of observations and highlight a few…
Pairwise dwarf galaxy formation and galaxy downsizing: some clues from extremely metal-poor Blue Compact Dwarf galaxies
Polychronis Papaderos
Some of the extremely metal-poor Blue Compact Dwarf galaxies (XBCDs) in the nearby universe form galaxy pairs with remarkably similar properties. This fact points to an intriguing…
Physical properties of 6dF dwarf galaxies
Jean Michel Gomes, Polychronis Papaderos
Spectral synthesis is basically the decomposition of an observed spectrum in terms of the superposition of a base of simple stellar populations of various ages and metallicities, p…