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We present a multiplexed, high-resolution (R~50,000 median) spectroscopic survey designed to detect exoplanet candidates in two southern star clusters (NGC 2516 and NGC 2422) using the Michigan/Magellan Fiber System (M2FS) on the…

Instrumentation and Methods for Astrophysics · Physics 2016-06-29 John I. Bailey , Mario Mateo , Russel J. White , Stephen A. Shectman , Jeffrey D. Crane , Edward W. Olszewski

NASA's Transiting Exoplanet Survey Satellite (TESS) mission is expected to discover hundreds of planets via single transits first identified in their light curves. Determining the orbital period of these single transit candidates typically…

Many existing procedures for detecting multiple change-points in data sequences fail in frequent-change-point scenarios. This article proposes a new change-point detection methodology designed to work well in both infrequent and frequent…

Methodology · Statistics 2020-02-25 Piotr Fryzlewicz

High penetration of renewable energy sources (RES) introduces significant uncertainty and intermittency into microgrid operations, posing challenges to economic and reliable scheduling. To address this, this paper proposes an end-to-end…

Systems and Control · Electrical Eng. & Systems 2026-02-04 Tingwei Cao , Yan Xu

We present our second catalog of quadruple star candidates, containing 101 systems discovered in TESS Full-Frame Image data. The targets were initially detected as eclipsing binary stars with the help of supervised machine learning methods…

Asteroseismology is the study of resonant oscillations of stars to infer their internal structure and dynamics. It is also a powerful tool for precisely determining stellar parameters such as mass, radius, surface gravity, and age. The…

Solar and Stellar Astrophysics · Physics 2026-05-11 Nipun Ghanghas , Siddharth Dhanpal , Shravan Hanasoge , Praneeth Netrapalli , Karthikeyan Shanmugam

Distinguishing the component spectra of double-line spectroscopic binaries (SB2s) and extracting their stellar parameters is a complex and computationally intensive task that usually requires observations spanning several epochs that…

Instrumentation and Methods for Astrophysics · Physics 2025-07-17 Avraham Binnenfeld , Samuel Lilek , Rami Nasser , Raja Giryes , Shay Zucker

The stellar mass-luminosity relation is poorly constrained by observations for high mass stars. We describe our program to find eclipsing massive binaries in the Magellanic Clouds using photometry of regions rich in massive stars, and our…

Solar and Stellar Astrophysics · Physics 2015-06-03 Philip Massey , Nidia I. Morrell , Kathryn F. Neugent , Laura R. Penny , Kathleen-DeGioia Eastwood , Douglas R. Gies

In single-lined spectroscopic binaries (SB1s) where flux variations due to tidal deformation of the primary star (ellipsoidal variations, EVs) are detected, the binary mass can be determined by combining EVs with the primary's radial…

We present a new algorithm -- Eclipsing Binary Automated Solver (EBAS), to analyse lightcurves of eclipsing binaries. The algorithm is designed to analyse large numbers of lightcurves, and is therefore based on the relatively fast EBOP…

Astrophysics · Physics 2009-11-11 Omer Tamuz , Tsevi Mazeh , Pierre North

Recent advancements in Multi-Robot Systems (MRS) and mesh network technologies pave the way for innovative approaches to explore extreme environments. The Artemis Accords, a series of international agreements, have further catalyzed this…

We devise a new method for the detection of double-lined binary stars in a sample of the Radial Velocity Experiment (RAVE) survey spectra. The method is both tested against extensive simulations based on synthetic spectra, and compared to…

The orbital motion of non-contact double-lined spectroscopic binaries (SB2), with periods of a few tens of days to several years, holds unique accurate informations on individual stellar masses, that only long-term monitoring can unlock.…

Solar and Stellar Astrophysics · Physics 2017-10-27 F. Kiefer , J. -L. Halbwachs , Y. Lebreton , C. Soubiran , F. Arenou , D. Pourbaix , B. Famaey , P. Guillout , R. Ibata , T. Mazeh

Realizing high-throughput aberration-corrected Scanning Transmission Electron Microscopy (STEM) exploration of atomic structures requires rapid tuning of multipole probe correctors while compensating for the inevitable drift of the optical…

Machine Learning · Computer Science 2026-01-28 Utkarsh Pratiush , Austin Houston , Richard Liu , Gerd Duscher , Sergei Kalinin

In this paper, a novel concept called simultaneously transmitting and reflecting RIS (STAR-RIS) is introduced into the wireless-powered mobile edge computing (MEC) systems to improve the efficiency of energy transfer and task offloading.…

Information Theory · Computer Science 2022-08-31 Xintong Qin , Zhengyu Song , Tianwei Hou , Wenjuan Yu , Jun Wang , Xin Sun

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

Solar and Stellar Astrophysics · Physics 2026-04-30 Shi-Qi Liu , Kai Li , Xiao-Dian Chen , Li-Heng Wang

We present a stationary iteration method, namely Alternating Symmetric positive definite and Scaled symmetric positive semidefinite Splitting (ASSS), for solving the system of linear equations obtained by using finite element discretization…

Numerical Analysis · Mathematics 2021-09-06 Davod Khojasteh Salkuyeh

Eclipsing binaries are vital for directly determining stellar parameters without reliance on models or scaling relations. Spectroscopically derived parameters of detached and semi-detached binaries allow us to determine component masses…

Solar and Stellar Astrophysics · Physics 2017-11-15 Rachel A. Matson , Douglas R. Gies , Zhao Guo , Stephen J. Williams

High-precision and high-cadence photometric surveys such as Kepler or TESS are making huge progress not only in the detection of new extrasolar planets but also in the study of a great number of variable stars. This is the case for central…

Solar and Stellar Astrophysics · Physics 2024-09-11 Alba Aller , Jorge Lillo-Box , David Jones

The mass discrepancy problem, observed in high-mass stars within eclipsing binaries, highlights systematic differences between dynamical and evolutionary mass estimates, challenging the accuracy of stellar evolution models. We aim to…

Solar and Stellar Astrophysics · Physics 2025-07-15 Nadya Serebriakova , Andrew Tkachenko , Cole Johnston , Krešimir Pavlovski , Conny Aerts
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