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Carbon in Spiral Galaxies from Hubble Space Telescope Spectroscopy
D. R. Garnett, G. A. Shields, M. Peimbert +5
We present measurements of the gas-phase C/O abundance ratio in six H II regions in the spiral galaxies M101 and NGC 2403, based on ultraviolet spectroscopy using the Faint Object…
The circumstellar medium of the peculiar supernova SN1997ab
Isabel Salamanca, Roberto Cid-Fernandes, Guillermo Tenorio-Tagle +3
We report the detection of the slow moving wind into which the compact supernova remnant SN 1997ab is expanding. Echelle spectroscopy provides clear evidence for a well resolved na…
The Lyman-alpha emission in local Star-Forming Galaxies: Scenario and Connection with Primeval Galaxies
D. Kunth, E. Terlevich, R. Terlevich +1
We review the Lyan alpha emission in local star-forming galaxies. In most cases as already shown by the IUE, the emission is absent or much weaker than expected. This occurs becaus…
Adaptive Optics observations of LBQS 0108+0028: K-band detection of the host galaxy of a radio-quiet QSO at z=2
I. Aretxaga, D. Le Mignant, J. Melnick +2
We report the first unambiguous detection of the host galaxy of a normal radio-quiet QSO at high-redshift in K-band. The luminosity of the host comprises about 35% of the total K-b…
Formation and evolution of elliptical galaxies and QSO activity
Amancio C. S. Friaca, Roberto J. Terlevich
We present the results of a numerical code that combines multi-zone chemical evolution with 1-D hydrodynamics to follow in detail the evolution and radial behaviour of gas and star…
HST study of Lyman-alpha emission in star-forming galaxies: the effect of neutral gas flows
D. Kunth, J. M. Mas-Hesse, E. Terlevich +3
We present high dispersion HST GHRS UV spectroscopic observations of 8 HII galaxies covering a wide range of metallicities and physical properties. We have found Lyalpha emission i…