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Very high quality light curves are now available for thousands of detached eclipsing binary stars and transiting exoplanet systems as a result of surveys for transiting exoplanets and other large-scale photometric surveys. I have developed…

天体物理仪器与方法 · 物理学 2016-06-22 P. F. L. Maxted

BD And is a fairly bright (V = 10.8), active and close (P = 0.9258 days) eclipsing binary. The cyclic variability of the apparent orbital period as well as third light in the light curves indicate the presence of an additional late-type…

太阳与恒星天体物理 · 物理学 2020-08-19 T. Pribulla , L. Hambalek , E. Guenther , R. Komzik , E. Kundra , J. Nedoroscik , V. Perdelwitz , M. Vanko

New BVRI CCD observations of the semi-detached eclipsing binary EG Cep are presented. The observed light curves are analyzed with the Wilson-Devinney program and new geometrical and photometric elements are derived. These elements are used…

太阳与恒星天体物理 · 物理学 2014-04-14 Chloi Vamvatira-Nakou , Alexios Liakos , Vassilios Manimanis , Panagiotis Niarchos

Blind source separation (BSS) is one of the most important and established research topics in signal processing and many algorithms have been proposed based on different statistical properties of the source signals. For second-order…

数值分析 · 数学 2014-03-11 Wei Liu

The new multi-color $BVRI$ photometric light curves of the short-period eclipsing binary GSC 3576-0170 were obtained on two consecutive nights (October 5 and 6, 2009). With the 2003 version of Wilson-Devinney program, the precise…

太阳与恒星天体物理 · 物理学 2011-12-09 Zhang Liyun , Jing Jianghong , Tang Yanke , Zhang Xiliang

Thirty-three eclipsing binaries were selected for an analysis from a huge database of observations made by the INTEGRAL/OMC camera. The photometric data were processed and analyzed, resulting in a first light-curve study of these neglected…

太阳与恒星天体物理 · 物理学 2009-11-12 P. Zasche

We present a new, fast, and easy to use tool for modelling light and radial velocity curves of close eclipsing binaries with built-in methods for solving an inverse problem. The main goal of ELISa (Eclipsing binary Learning and Interactive…

天体物理仪器与方法 · 物理学 2021-09-01 Michal Čokina , Miroslav Fedurco , Štefan Parimucha

Gamma-ray bursts (GRB) are powerful transient events that emit a large output of gamma rays within a few seconds. Studying these short bursts is vital for cosmological research since they originate from sources observed at large redshifts.…

高能天体物理现象 · 物理学 2023-10-05 S. Sourav , A. Shukla , R. Dwivedi , K. Singh

We present the results of our study of the eclipsing binary systems CSS J112237.1+395219, LINEAR 1286561 and LINEAR 2602707 based on new CCD $B$, $V$, $R_c$ and $I_c$ complete light curves. The ultra-short period nature of the stars…

太阳与恒星天体物理 · 物理学 2020-05-06 F. Acerbi , R. Michel , C. Barani , M. Martignoni , L. Fox-Machado

A conjunctive Boolean network (CBN) is a finite state dynamical system, whose variables take values from a binary set, and the value update rule for each variable is a Boolean function consisting only of logic AND operations. We investigate…

动力系统 · 数学 2019-07-11 Xudong Chen , Zuguang Gao , Tamer Başar

Twenty-one eclipsing binaries were selected for an analysis from a huge database of observations made by the INTEGRAL/OMC camera. The photometric data were processed and analyzed, resulting in a first light-curve study of these neglected…

太阳与恒星天体物理 · 物理学 2011-02-15 P. Zasche

We present the first photometric analysis for the newly discovered eclipsing binary systems of Algole-type GSC 2750-0054 and GSC 03208-02644. Our analysis was carried out by means of the most recent version of Wilson Devinney (WD) code,…

太阳与恒星天体物理 · 物理学 2016-06-29 M. M. Elkhateeb , M. I. Nouh

Blind source separation (BSS) algorithms are unsupervised methods, which are the cornerstone of hyperspectral data analysis by allowing for physically meaningful data decompositions. BSS problems being ill-posed, the resolution requires…

信号处理 · 电气工程与系统科学 2022-09-28 Rémi Carloni Gertosio , Jérôme Bobin , Fabio Acero

We present an application of computer vision methods to classify the light curves of eclipsing binaries (EB). We have used pre-trained models based on convolutional neural networks ($\textit{ResNet50}$) and vision transformers…

计算机视觉与模式识别 · 计算机科学 2025-08-19 Štefan Parimucha , Maksim Gabdeev , Yanna Markus , Martin Vaňko , Pavol Gajdoš

The eclipse mapping method is an inversion technique that makes use of the information contained in eclipse light curves to probe the structure, the spectrum and the time evolution of accretion discs. In this review I present the basics of…

天体物理学 · 物理学 2007-05-23 Raymundo Baptista

We present our ground-based CCD observations of the close binary systems DD Mon and XY UMa in B, V, R and I bands. The light curves are analyzed using the Wilson-Devinney code (W-D) for the derivation of the geometric and photometric…

太阳与恒星天体物理 · 物理学 2009-10-16 K. Gazeas , A. Liakos , P. Niarchos

In the first paper of this series we presented EBAS, a new fully automated algorithm to analyse the lightcurves of eclipsing binaries, based on the EBOP code. Here we apply the new algorithm to the whole sample of 2580 binaries found in the…

天体物理学 · 物理学 2009-11-11 Tsevi Mazeh , Omer Tamuz , Pierre North

We present a new representation of light curves, which is quite different from the binning method. Instead of choosing uniform bins, the reciprocal of interval between two successive photons is adopted to represent the counting rate. A…

高能天体物理现象 · 物理学 2014-01-14 Jun Tian , Yuan-Chuan Zou

This study presented the first light curve analysis of the OP Boo and V0511 Cam binary stars, which was conducted in the frame of the Binary Systems of South and North (BSN) Project. Photometric ground-based observations were conducted with…

This work studies the problem of simultaneously separating and reconstructing signals from compressively sensed linear mixtures. We assume that all source signals share a common sparse representation basis. The approach combines classical…

信息论 · 计算机科学 2015-05-30 Martin Kleinsteuber , Hao Shen