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Luminous Infrared Galaxies. III. Multiple Merger, Extended Massive Star Formation, Galactic-Wind and Nuclear-Inflow in NGC 3256
S. Lipari, R. Diaz, Y. Taniguchi +3
We find in a detailed morphological study (at 15 pc resolution) that the extended massive star formation process, shows: (i) extended triple asymmetrical spiral arms structure (r =…
V, R, I and Halpha photometry of circumnuclear star forming regions in four galaxies with different levels of nuclear activity
Angeles I. Diaz, Mar Alvarez Alvarez, Elena Terlevich +3
V,R,I continuum bands and Halpha + [NII] photometry for circumnuclear star forming regions (CNSFR) is presented, for galaxies with different kinds of nuclear activity: NGC 7469 (Sy…
HII Galaxies as deep cosmological probes
Jorge Melnick, Roberto Terlevich, Elena Terlevich
We re-investigated the use of the Hubble diagram to measure the cosmological constant () and the mass density of the Universe (). We find an important focusing effect in $Λ…
Optical Monitoring of Quasars: I. Variability
A. Garcia, L. Sodre, F. J. Jablonski +1
We present an analysis of quasar variability from data collected during a photometric monitoring of 50 objects carried out at CNPq/Laboratorio Nacional de Astrofisica, Brazil, betw…
The evolution of superbubbles and the detection of Lyman alpha in star-forming galaxies
Guillermo Tenorio-Tagle, Sergey A. Silich, Daniel Kunth +2
The detection of Ly alpha emission in star-forming galaxies in different shapes and intensities (always smaller than predicted for case B recombination) has puzzled the astronomica…
SN 1988Z: Spectro-photometric catalogue and energy estimates
I. Aretxaga, S. Benetti, R. J. Terlevich +4
We present a spectro-photometric catalogue of the evolution of supernova 1988Z which combines new and published observations in the radio, optical and X-ray bands, with the aim of…