KIC 11911480: the second ZZ Ceti in the Kepler field
KIC 11911480: the second ZZ Ceti in the Kepler field
We report the discovery of the second pulsating hydrogen-rich (DA) white dwarf in the $Kepler$ field, KIC11911480. It was selected from the $Kepler$-INT Survey (KIS) on the basis of its colours and its variable nature was confirmed using ground-based time-series photometry. An atmosphere model fit to an intermediate-resolution spectrum of …