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The Luminosity and Metallicity Relation of distant luminous infrared galaxies
Y. C. Liang, F. Hammer, H. Flores +4
Oxygen abundances [12+log(O/H)] in the interstellar medium of a large sample of distant (z>0.4) luminous infrared galaxies (LIRGs) were estimated from their extinction corrected em…
The Metallicity dependence of the Cepheid Period-Luminosity relation: methodology and results
Marta Mottini, Martino Romaniello, Francesca Primas +3
We present the results of an observational campaign undertaken to assess the influence of the iron content on the Cepheid Period-Luminosity relation. Our data indicate that this de…
Photometry of Be Stars in the vicinity of COROT primary targets for asteroseismology
J. Gutierrez-Soto, J. Fabregat, J. Suso +3
We present differential photometry of Be stars close to potential COROT primary targets for asteroseismology. Several stars are found to be short period variables. We propose them…
A white dwarf with a low magnetic field in the IP RXJ0028.8+5917/V709Cas
J. M. Bonnet-Bidaud, M. Mouchet, D. de Martino +2
We report the first detailed spectroscopic observations of the recently identified intermediate polar RXJ0028.8+5917/V709 Cas. We discovered that the system shows significant EW ~…
Dynamics of the X-ray clusters Abell 222, Abell 223 and Abell 520
D. Proust, H. Cuevas, H. V. Capelato +5
We present the results of a dynamical analysis of three rich, X-ray luminous galaxy clusters, Abell 222, Abell 223 and Abell 520, that are at intermediate redshifts. Our study is b…
Macroscopic Processes in the Solar Interior
A. S. Brun, S. Turck-Chieze, J. P. Zahn
With the recent results of helioseismology aboard SOHO, solar models are more and more constrained (Brun, Turck-Chieze and Morel 1998 (astro-ph/9806272)). New physical processes, m…