Mode Instability and a Massive, Isolated Outburst in the Pulsating White Dwarf GD 1212

arXiv:2606.09987 · astro-ph.SR · Submitted 2026-06-08 · Read on arXiv

J. J. Hermes, Keaton J. Bell, Andrew H. Dublin, M. H. Montgomery, Steven D. Kawaler, Ian Clark, Zachary P. Vanderbosch, Bart H. Dunlap, P. -E. Tremblay, Paul Chote, Boris T. Gaensicke

astro-ph.SR

Submitted: 2026-06-08

Comments: 18 pages, 11 figures, 2 tables, accepted for publication in The Astrophysical Journal

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Aperture — 3× in this paper · explained in 1 episode
• Limit Cycles — 2× in this paper · explained in 2 episodes
• Aperture Photometry — 1× in this paper · explained in 1 episode
• Trace — 1× in this paper · explained in 2 episodes
• Transiting Exoplanet Survey Satellite — 1× in this paper

Sources

• The First Six Outbursting Cool DA White Dwarf Pulsators
• Asteroseismology across the HR diagram

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