Characterizing Orbital Parameters of Hot Subdwarf Binaries with Multiple Spectroscopic Surveys

arXiv:2606.17559 · astro-ph.SR · Submitted 2026-06-16 · Read on arXiv

XInlin Zhao, Song Wang, Zhenxin Lei, Yangyang Dong, Buhui Lv, Chuanjie Zheng, Xiaohong Yang, Jifeng Liu

astro-ph.SR

Submitted: 2026-06-16

Comments: 26 pages, 15 figures, accepted for publication in ApJ

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

Terminology

• Abundance — 7× in this paper · explained in 1 episode
• Core — 5× in this paper · explained in 2 episodes
• Virtual Observatory — 2× in this paper
• Accuracy — 1× in this paper · explained in 1 episode
• Attention Mechanism — 1× in this paper · explained in 2 episodes
• Blue Horizontal Branch — 1× in this paper
• Degeneracy — 1× in this paper · explained in 3 episodes
• Metallicity — 1× in this paper · explained in 3 episodes
• Sloan Digital Sky Survey — 1× in this paper
• Sloan Extension for Galactic Understanding and Exploration — 1× in this paper
• Using the Lomb-Scargle — 1× in this paper

Sources

• The MUCHFUSS project - Searching for the most massive companions to hot subdwarf stars in close binaries and finding the least massive ones
• Squeeze-and-Excitation Networks
• A brief introductory guide to TLUSTY and SYNSPEC
• Spectrophotometry and period analysis of the sdB eclipsing binary HW Virginis
• Deep learning-driven atmospheric parameter prediction for hot subdwarf stars with synthetic and observed spectra
• LAMOST Medium-Resolution Spectroscopic Survey (LAMOST-MRS): Scientific goals and survey plan
• Wide sdB binaries. I. Orbital and atmospheric parameters
• Synthetic spectra for O and B type subdwarf stars
• The peculiar sdB NGC6121-V46: A low-mass double degenerate ellipsoidal variable in a globular cluster
• Hot Subdwarfs in Binaries as the Source of the Far-UV Excess in Elliptical Galaxies
• Observing Orbital Decay in the Ultracompact Hot Subdwarf Binary System ZTFJ213056.71+442046.5
• CBAM: Convolutional Block Attention Module

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