Altair is the fastest rotating star at less than 10 parsecs from Sun. Its precise modelling a landmark for our understanding of stellar evolution with fast rotation, and all observational constraints are most welcome to better determine fundamental parameters this star. We wish improve seismic spectrum confirm $\delta$-Scuti nature used photometric data collected by Microvariability Oscillation...

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Except for specialists, planetary seismology refers first to Earth seismology, and stimulates thoughts about earthquakes, tsunamis, and all such rare and brutal events that everyone knows by experience and/or fears. According to etymology, seismology shakes and shocks our bodies and our minds. According to semantics, all languages make the difference between “superficial” and “deep” things, so ...