On the existence of warm H-rich pulsating white dwarfs

Leandro G. Althaus, Alejandro H. Córsico, Murat Uzundag +8

The possible existence of warm ($T_{\mathrm{eff}}\sim 19000$ K) pulsating DA white dwarf (WD) stars, hotter than ZZ Ceti stars, was predicted in theoretical studies more than 30 yr ago…