| Issue |
EPJ Web Conf.
Volume 152, 2017
Wide-Field Variability Surveys: A 21st Century Perspective – 22nd Los Alamos Stellar Pulsation – Conference Series Meeting
|
|
|---|---|---|
| Article Number | 06012 | |
| Number of page(s) | 3 | |
| Section | Challenges for theory | |
| DOI | https://doi.org/10.1051/epjconf/201715206012 | |
| Published online | 08 September 2017 | |
https://doi.org/10.1051/epjconf/201715206012
Pulsational instability of high-luminosity H-rich pre-white dwarf star
1 Facultad de Ciencias Astronómicas y Geofísicas, Universidad Nacional de La Plata, Paseo del Bosque s/n, (1900) La Plata, Argentina
2 Instituto de Astrofísica La Plata, CONICET-UNLP, Paseo del Bosque s/n, (1900) La Plata, Argentina
3 Department of Astronomy, The University of Tokyo, Japan
* lcalcaferro@fcaglp.unlp.edu.ar
** acorsico@fcaglp.unlp.edu.ar
*** camisassa@fcaglp.unlp.edu.ar
**** althaus@fcaglp.unlp.edu.ar
† shibahashi@astron.s.u-tokyo.ac.jp
Published online: 8 September 2017
We present a pulsational stability analysis on high-luminosity H-rich (DA) white dwarf models evolved from low-metallicity progenitors. We found that the ε mechanism due to H-shell burning is able to excite low-order g modes.
© The Authors, published by EDP Sciences, 2017
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