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most citedDetection of the lowest mass ratio contact binary in the universe: TYC 3801-1529-1

31 citations · 31 across the 14 of their papers we have counts for

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astro-ph.SR2026

Extremely Low Mass Ratio Contact Binaries. III. Photometric and Spectroscopic Investigations of Eleven Systems

Youmo Lai, Kai Li, Raul Michel Murillo +6

We present photometric and spectroscopic investigations of 11 totally eclipsing contact binaries with mass ratios below 0.15, classifying them as extremely low mass ratio contact b…

astro-ph.SR2026

The Phenomenological Classification of TESS Eclipsing Binaries

Shi-Qi Liu, Kai Li, Xiao-Dian Chen +1

Eclipsing binaries are crucial astrophysical laboratories for studying stellar parameters and evolutionary processes. In this study, we constructed a machine-learning-based model f…

astro-ph.SR2026

Physical Parameters of 146 Contact Binaries Derived from Light and Radial Velocity Curves

Kai Li, Xiang Gao, Si-Rui Wang +1

We present a comprehensive analysis of 146 contact binaries using medium-resolution LAMOST spectra and photometric data from the All-Sky Automated Survey for SuperNovae (ASAS-SN) a…

astro-ph.SR2026

A Photometric and Spectroscopic investigation of 11 TESS eclipsing contact binaries

Yani Guo, Kai Li, Yanke Tang +4

By cross-matching the eclipsing binary catalog provided by Prsa et al. (2022) with LAMOST medium resolution spectra, we obtained 11 targets. Combining light and radial velocity cur…

astro-ph.SR2025

Photometric Analysis of 30 Contact Binaries in M31

Xiang Gao, Kai Li, Li-Heng Wang +3

M31, as the largest galaxy in the Local Group, is of significant importance for the study of stellar formation and evolution. Based on the data of 5,859 targets observed in M31 by…

astro-ph.SR2025

A neural network model for quickly solving multiple-band light curves of contact binaries

Kai Li, Li-Heng Wang, Xiang Gao

The advent of large-scale photometric surveys has led to the discovery of over a million contact binary systems. Conventional light curve analysis methods are no longer adequate fo…

astro-ph.SR2025

BSN-II: The First Light Curve Study of Eight Total Eclipsing Contact Binary Stars with Shallow Fillout Factors

Atila Poro, Kai Li, Raul Michel +6

This study provides the first comprehensive analysis of eight total-eclipse W Ursae Majoris-type contact binary systems. Ground-based photometric multiband observations were conduc…

astro-ph.SR2025

BSN-III: The First Multiband Photometric Study on the Eight Total Eclipse Contact Binary Stars

Atila Poro, Kai Li, Raul Michel +6

This study continues our in-depth investigation of total-eclipse W Ursae Majoris-type contact binaries by analyzing eight new systems, complementing our previous work. Multiband $B…

astro-ph.SR2025

The investigation of 84 TESS totally eclipsing contact binaries

Yani Guo, Kai Li, Liheng Wang +4

Based on the eclipsing binary catalog provided by \cite{2022ApJS..258...16P}, 84 totally eclipsing contact binaries with stable light curves were selected. The TESS light curves of…

astro-ph.SR2025

Using machine learning method for variable star classification using the TESS Sectors 1-57 data

Li-Heng Wang, Kai Li, Xiang Gao +2

The Transiting Exoplanet Survey Satellite (TESS) is a wide-field all-sky survey mission designed to detect Earth-sized exoplanets. After over four years photometric surveys, data f…

astro-ph.SR2025

Physical parameters of 12201 ASAS-SN contact binaries determined by the Neural Network

Kai Li, Li-Heng Wang

In the era of astronomical big data, more than one million contact binaries have been discovered. Traditional approaches of light curve analysis are inadequate for investigating su…

astro-ph.SR2024

Search for and analysis of eclipsing binaries in the LAMOST Medium-Resolution Survey field. I. RA: , Dec: +343645

Jing-Yi Wang, Kai Li, Xiang Gao +7

Eclipsing binaries (EBs) play an important astrophysical role in studying stellar properties and evolution. By analyzing photometric data in the LAMOST Medium-Resolution Survey fie…

astro-ph.SR2024★ 31 cited

Detection of the lowest mass ratio contact binary in the universe: TYC 3801-1529-1

Kai Li, Xiang Gao, Di-Fu Guo +7

This paper presents the first analysis of the contact binary TYC 3801-1529-1. We observed four sets of multiple bands complete light curves and one set of radial velocity curve of…

astro-ph.SR2024

Photometric and Spectroscopic analysis of eight totally eclipsing contact binaries with small mass ratios

Li-Heng Wang, Kai Li, Ya-Ni Guo +4

This paper selected eight totally eclipsing contact binaries for photometric and spectroscopic studies, spectral data were analyzed by ULySS, and photometric data were analyzed usi…