Spano, M; Mowlavi, N; Eyer, L; Burki, G; Marquette, J B; Lecoeur-Taibi, I; Tisserand, Patrick
Context. The EROS-2 survey has produced a database of millions of time series from stars monitored for more than six years, allowing us to classify some of their sources into different variable star types. Among the so-called, long period variables (LPVs), which are known to follow particular sequences in the period-luminosity diagram, we find long secondary period variables whose variability origin remains a matter of debate. Aims. We analyze data for the 856 864 variable stars that have been...[Show more]
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