Direct detections of white dwarfs in four WD+dM post-common envelope binaries within 20 pc

arXiv:2607.11320 · astro-ph.SR · Submitted 2026-07-13 · Read on arXiv

Mairi W. O'Brien, David J. Wilson, Pier-Emmanuel Tremblay, Boris T. Gänsicke, Conor M. Byrne, Felipe Lagos-Vilches, J. Sebastian Pineda, Joaquín A. Barraza-Jorquera

astro-ph.SR

Submitted: 2026-07-13

Comments: 11 pages, 7 figures, plus appendix. Published in MNRAS 2026-07-14

DOI: 10.1093/mnras/stag1195

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

Terminology

• Calibration — 4× in this paper · explained in 7 episodes
• Hubble Space Telescope — 4× in this paper
• Binary Populations and Spectral Synthesis — 3× in this paper
• Core — 3× in this paper · explained in 2 episodes
• Metallicity — 3× in this paper · explained in 3 episodes
• Population Synthesis — 3× in this paper · explained in 2 episodes
• Aperture — 2× in this paper · explained in 1 episode
• Abundance — 1× in this paper · explained in 1 episode
• Alignment — 1× in this paper · explained in 1 episode
• Hubble Advanced Spectral Products — 1× in this paper
• Mikulski Archive for Space Telescopes — 1× in this paper
• Modules for Experiments in Stellar Astrophysics — 1× in this paper
• Momentum transfer — 1× in this paper · explained in 2 episodes
• Swift X-ray Telescope — 1× in this paper

Sources

• A Previously Underexplored Regime in TESS: Minute-Scale Eclipses Reveal Ten White Dwarf-Cool M-Dwarf Binaries
• The Pan-STARRS1 Surveys

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