The case of the Kepler DBAV star J1929+4447

The case of the Kepler DBAV star J1929+4447

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A first click here pulsating white dwarf has been discovered recently in the Kepler field of view [1].This star, catalogued as GALEX J192904.6+444708 or KIC 8626021, is a He-atmosphere white dwarf of the V777 Her (DBV) type.It appears to be the hottest of its class and, as such, has the potential to be a key object in our understanding of the DB gap problem.

We present here a seismological analysis of this star read more and a look at his previous history.