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The interplay between ionized gas and massive stars in the HII galaxy IIZw70: integral field spectroscopy with PMAS
C. Kehrig, J. M. Vilchez, S. F. Sanchez +3
We performed an integral field spectroscopic study for the HII galaxy IIZw70 in order to investigate the interplay between its ionized interstellar medium (ISM) and the massive sta…
Precision abundance analysis of bright HII galaxies
Guillermo F. Hagele, Angeles I. Diaz, Elena Terlevich +3
We present high signal-to-noise spectrophotometric observations of seven luminous HII galaxies. The observations have been made with the use of a double-arm spectrograph which prov…
Precision photometric redshift calibration for galaxy-galaxy weak lensing
R. Mandelbaum, U. Seljak, C. M. Hirata +26
Accurate photometric redshifts are among the key requirements for precision weak lensing measurements. Both the large size of the Sloan Digital Sky Survey (SDSS) and the existence…
Neon and Argon optical emission lines in ionized gaseous nebulae: Implications and applications
Enrique Perez-Montero, Guillermo F. Hagele, Thierry Contini +1
In this work we present a study of the strong optical collisional emission lines of Ne and Ar in an heterogeneous sample of ionized gaseous nebulae for which it is possible to deri…
The VIMOS VLT Deep Survey: Tracing the galaxy stellar mass assembly history over the last 8Gyr
D. Vergani, M. Scodeggio, L. Pozzetti +46
We selected a mass-limited sample of 4048 objects from the VIMOS VLT Deep Survey in the redshift interval 0.5<z<1.3. We used the amplitude of the 4000 Balmer break (Dn4000) to sepa…
The nature of the Wolf-Rayet galaxy Mrk 209 from photoionization models
Enrique Perez-Montero, Angeles I. Diaz
We present a detailed photoionisation model of the brightest knot of star format ion in the blue compact dwarf galaxy Mrk 209. The model reproduces the intensiti es of main lines e…