A New Sirius-like System at Only 21 Parsecs: An Elusive White Dwarf Companion to the Nearby K-dwarf HD 38230

arXiv:2607.28720 · astro-ph.SR · Submitted 2026-07-30 · Read on arXiv

Alexander Venner, Logan A. Pearce, Qier An, Clémence Fontanive, Elisabeth C. Matthews, Kyle Franson, Justin R. Crepp, Hai Fu, Timothy D. Brandt

astro-ph.SR

Submitted: 2026-07-30

Comments: 18 pages, 6 figures, 4 tables. Submitted to AAS Journals. Comments welcome!

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

Terminology

• Abundance — 6× in this paper · explained in 1 episode
• Absolute Motion — 3× in this paper · explained in 1 episode
• Calibration — 2× in this paper · explained in 7 episodes
• Metallicity — 2× in this paper · explained in 3 episodes
• Accuracy — 1× in this paper · explained in 1 episode
• Benchmark — 1× in this paper · explained in 2 episodes
• Core — 1× in this paper · explained in 2 episodes
• European Space Agency — 1× in this paper
• Neutron-capture elements — 1× in this paper · explained in 2 episodes
• Trace — 1× in this paper · explained in 2 episodes

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