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Poster Open Access

Photometric magnetic activity and active-region lifetimes of solar-like stars

Santos, Angela R. G.; Mathur, Savita; García, Rafael A.; Cunha, Margarida S.; Avelino, Pedro P.; Broomhall, Anne-Marie; Egeland, Ricky; Breton, Sylvain N.

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<oai_dc:dc xmlns:dc="" xmlns:oai_dc="" xmlns:xsi="" xsi:schemaLocation="">
  <dc:creator>Santos, Angela R. G.</dc:creator>
  <dc:creator>Mathur, Savita</dc:creator>
  <dc:creator>García, Rafael A.</dc:creator>
  <dc:creator>Cunha, Margarida S.</dc:creator>
  <dc:creator>Avelino, Pedro P.</dc:creator>
  <dc:creator>Broomhall, Anne-Marie</dc:creator>
  <dc:creator>Egeland, Ricky</dc:creator>
  <dc:creator>Breton, Sylvain N.</dc:creator>
  <dc:description>Rotational modulation due to dark spots co-rotating with the stellar surface allows us to constrain rotation and magnetic properties of solar-like stars. The long-term observations collected by Kepler (and those that will be collected by PLATO) are preferred for a better characterization of magnetic activity. In this work, we investigate the temporal variability of the photometric magnetic activity proxy Sph, as well as the characteristic timescale of active-regions in solar-like stars.</dc:description>
  <dc:description>Part of the results, particularly on the ACF for artificial date, are published and can be found here:

The rotation and average S_ph catalog can be found here:

The machine learning algorithm for rotation, ROOSTER, is described here:</dc:description>
  <dc:subject>stars: low-mass</dc:subject>
  <dc:subject>stars: rotation</dc:subject>
  <dc:subject>stars: activity</dc:subject>
  <dc:subject>techniques: photometric</dc:subject>
  <dc:title>Photometric magnetic activity and active-region lifetimes of solar-like stars</dc:title>
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