activity
20042009
most citedAsteroseismology of the Beta Cephei star 12 (DD) Lacertae: photometric observations, pulsational frequency analysis and mode identification

100 citations · 275 across the 10 of their papers we have counts for

collaborators

10 papers

astro-ph.SR2009★ 6 cited

Strömgren photometry and spectroscopy of the Delta Scuti stars 7 Aql and 8 Aql

L. Fox-Machado, M. Alvarez, R. Michel +4

Photometric ) and spectroscopic observations of the Scuti variables \astrobj{7 Aql} and \astrobj{8 Aql} are described. The Strömgren standard indices and physical para…

astro-ph.SR2009

Stromgren Photometry of the Delta Scuti Stars 7 Aql and 8 Aql

L. Fox Machado, M. Alvarez, L. Parrao +1

The preliminary results of new photometric observations of the Scuti stars 7 Aql and 8 Aql are reported. 51 hr of photoelectric photometric data were obtained over the…

astro-ph2008

On the variability of HD 170699 - a possible COROT target

M. Alvarez, J. P. Sareyan, L. Parrao +9

We present the analysis of the variability of HD 170699, a COROT star showing the characteristics of a non evolutionary Delta Scuti star with high rotational velocity. There is a c…

astro-ph2008★ 2 cited

CCD Photometry of Delta Scuti stars 7 Aql and 8 Aql

L. Fox Machado, R. Michel, M. Alvarez +3

As a continuation of the study of the Delta Scuti stars 7 Aql and 8 Aql; new CCD photometric data were acquired in 2007. We present a period analysis on these data that confirm the…

astro-ph2007★ 13 cited

Pulsational frequencies of the eclipsing delta-Scuti star HD 172189

J. E. S. Costa, E. Michel, J. Pena +12

The eclipsing delta-Scuti star HD 172189 is a probable member of the open cluster IC 4756 and a promising candidate target for the CoRoT mission. The detection of pulsation modes i…

astro-ph2007★ 4 cited

Multi-site observations of Delta Scuti stars 7 Aql and 8 Aql (a new Delta Scuti variable): The twelfth STEPHI campaign in 2003

L. Fox Machado, E. Michel, F. Perez Hernandez +12

We present an analysis of the pulsation behaviour of the Delta Scuti stars 7 Aql (HD 174532) and 8 Aql (HD 174589) -- a new variable star -- observed in the framework of STEPHI XII…