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Search: authors:"M. J. López-González"

6 papers found.
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A revised catalogue of δ Sct stars

An extensive and up-dated list of δ Sct stars is presented here. More than 500 papers, published during the last few years, have been revised and 341 new variables have been added to our last list, six years ago. This catalogue is intended to be a comprehensive review on the observational characteristics of all the δ Sct stars known until now, including stars contained in earlier...

Strömgren photometry of 40 Harmonia, 45 Eugenia and 52 Europa

The Asteroids 40 Harmonia, 45 Eugenia and 52 Europa have been studied photometrically. From their lightcurves synodic periods of , and , and maximum amplitudes of , and , have been deduced for 40 Harmonia, 45 Eugenia and 52 Europa, respectively. Improved solutions for the sense of rotation, sidereal period, pole orientation and shape properties are proposed.

δ Sct-type pulsations in eclipsing binary systems: Y Cam

We present the results of a three-continent multisite photometric campaign carried out on the Algol-type eclipsing binary system Y Cam, in which the primary component is a multiperiodic δ Sct-type pulsator. The observations consist of 86 nights and more than 450 h of useful data collected mainly during the Northern winter 2002–2003. This means that this is the most extensive time...

δ Sct-type pulsations in eclipsing binary systems: AB Cas

This paper presents simultaneous Strömgren uvby observations carried out during the years 1998 and 1999 on the Algol-type eclipsing binary system AB Cas, where the primary component is a δ Sct-type pulsator. These observations include complete binary uvby light curves which have been analysed using the Wilson–Devinney code. The new results are compared with those from the...

δ Sct-type pulsations in eclipsing binary systems: RZ Cas

We present the results of a three-continent multisite photometric campaign carried out on the Algol-type eclipsing binary system RZ Cas, in which the primary component has recently been discovered to be a δ Sct-type pulsator. The present observations include, for the first time, complete simultaneous Strömgren uvby light curves together with a few Crawford Hβ data collected...

The field high-amplitude SX Phoenicis variable BL Camelopardalis: results from a multisite photometric campaign - I. Pulsation

A&A Astronomy & Astrophysics I. Pulsation E. Rodríguez S. Fauvaud J. A. Farrell A.-Y. Zhou J.-P. Sareyan M. J. López-González M.-A. Dupret A. Grigahcéne J. de Ridder G. Klingenberg M. Wolf P. Van