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Related papers: Automated classification of eclipsing binary syste…

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We present an image classification algorithm using deep learning convolutional neural network architecture, which classifies the morphologies of eclipsing binary systems based on their light curves. The algorithm trains the machine with…

Solar and Stellar Astrophysics · Physics 2023-06-06 Burak Ulas

In recent years we have witnessed an explosion of photometric time-series data, collected for the purpose of finding a small number of rare sources, such as transiting extrasolar planets and gravitational microlenses. Once combed, these…

Blending of galaxies has a major contribution in the systematic error budget of weak lensing studies, affecting photometric and shape measurements, particularly for ground-based, deep, photometric galaxy surveys, such as the Rubin…

Instrumentation and Methods for Astrophysics · Physics 2020-10-29 Bastien Arcelin , Cyrille Doux , Eric Aubourg , Cécile Roucelle , The LSST Dark Energy Science Collaboration

Large repositories of high precision light curve data, such as the Kepler data set, provide the opportunity to identify astrophysically important eclipsing binary (EB) systems in large quantities. However, the rate of classical "by eye"…

Solar and Stellar Astrophysics · Physics 2018-09-21 Mahmoud Parvizi , Martin Paegert , Keivan G. Stassun

In the last decade, over 7000 eclipsing binaries have been discovered in the Local Group through various variability surveys. Measuring fundamental parameters of these eclipsing binaries has become feasible with 8 meter class telescopes,…

Astrophysics · Physics 2009-02-18 A. Z. Bonanos

Abstract abridged. Eclipsing binary systems provide the opportunity to measure the fundamental parameters of their component stars in a stellar-model-independent way. This makes them ideal candidates for testing and calibrating theories of…

Instrumentation and Methods for Astrophysics · Physics 2024-02-12 Luc W. IJspeert , Andrew Tkachenko , Cole Johnston , Andrej Prša , Mark A. Wells , Conny Aerts

Context. The Optical Gravitational Lensing Experiment (OGLE) observed around 450,000 eclipsing binaries (EBs) towards the Galactic Bulge. Decade-long photometric observations such as these provide an exceptional opportunity to thoroughly…

Solar and Stellar Astrophysics · Physics 2023-06-21 Rozália Z. Ádám , Tamás Hajdu , Attila Bódi , Róbert Hajdu , Tamás Szklenár , László Molnár

The new multi-epoch near-infrared VVV survey (VISTA Variables in the Via Lactea) is sampling 562 sq. deg of the Galactic bulge and adjacent regions of the disk. Accurate astrometry established for the region surveyed allows the VVV data to…

This study presents a multi-task machine learning framework for simultaneous morphology classification and physical parameter estimation of eclipsing binaries using photometric light curves. We train Random Forest and XGBoost ensemble…

Solar and Stellar Astrophysics · Physics 2026-04-22 Burak Ulaş

Eclipsing binary systems (EBs), as foundational objects in stellar astrophysics, have garnered significant attention in recent years. These systems exhibit periodic decreases in light intensity when one star obscures the other from the…

Solar and Stellar Astrophysics · Physics 2025-04-23 Ying Shan , Jing Chen , Zichong Zhang , Liang Wang , Zhiqiang Zou , Min Li

The VISTA Variables in the Via Lactea eXtended (VVVX) ESO public survey observed the Galactic plane and the outer Galactic bulge in the near-infrared to mitigate the effects of extinction that severely limit optical observations of these…

We present a detailed V-band photometric light curve modeling of 30 eclipsing binaries using the data from Pietrukowicz et al. (2009) collected with the European Southern Observatory Very Large Telescope (ESO VLT) of diameter 8-m. The light…

Large-scale photometric surveys are revolutionizing astronomy by delivering unprecedented amounts of data. The rich data sets from missions such as the NASA Kepler and TESS satellites, and the upcoming ESA PLATO mission, are a treasure…

Instrumentation and Methods for Astrophysics · Physics 2025-07-08 Jeroen Audenaert

Detached eclipsing binaries are the primary tool used to measure precise masses and radii of stars. In our previous paper estimating the parameters of more than 30,000 detached eclipsing binaries, we identified 766 eclipsing binaries with…

Solar and Stellar Astrophysics · Physics 2023-01-25 D. M. Rowan , T. Jayasinghe , K. Z. Stanek , C. S. Kochanek , Todd A. Thompson , B. J. Shappee , T. W. -S. Holoien , J. L. Prieto , W. Giles

We present the results of an automated variability analysis of the Kepler public data measured in the first quarter (Q1) of the mission. In total, about 150 000 light curves have been analysed to detect stellar variability, and to identify…

Solar and Stellar Astrophysics · Physics 2015-05-27 J. Debosscher , J. Blomme , C. Aerts , J. De Ridder

The European Southern Observatory's (ESO) Visible and Infrared Survey Telescope for Astronomy (VISTA) is a 4-m class survey telescope for wide-field near-infrared imaging. VISTA is currently running a suite of six public surveys, which will…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 J. R. Findlay , W. J. Sutherland , B. P. Venemans , C. Reyle , A. C. Robin , D. G. Bonfield , V. A. Bruce , M. J. Jarvis

The Local Group galaxies constitute a fundamental step in the definition of cosmic distance scale. Therefore, obtaining accurate distance determinations to the galaxies in the Local Group, and notably to the Andromeda Galaxy (M31), is…

Astrophysics · Physics 2009-11-11 F. Vilardell , I. Ribas , C. Jordi

Variable stars of RR Lyrae type are a prime tool to obtain distances to old stellar populations in the Milky Way, and one of the main aims of the Vista Variables in the Via Lactea (VVV) near-infrared survey is to use them to map the…

We have developed a procedure for the classification of eclipsing binaries from their light-curve parameters and spectral type. The procedure was tested on more than 1000 systems with known classification, and its efficiency was estimated…

Solar and Stellar Astrophysics · Physics 2014-09-09 Ekaterina Avvakumova , Oleg Malkov

The VISTA Variables in the V\'ia L\'actea (VVV) survey is one of six public ESO surveys, and is now in its 4th year of observing. Although far from being complete, the VVV survey has already delivered many results, some directly connected…

Instrumentation and Methods for Astrophysics · Physics 2014-06-13 Maren Hempel , Dante Minniti , István Dékány , Roberto K. Saito , Philip W. Lucas , Jim Emerson , Andrea V. Ahumada , Suzanne Aigrain , Maria Victoria Alonso , Javier Alonso-García , Eduardo B. Amôres , Rodolfo Angeloni , Julia Arias , Reba Bandyopadhyay , Rodolfo H. Barbá , Beatriz Barbuy , Gustavo Baume , Juan Carlos Beamin , Luigi Bedin , Eduardo Bica , Jordanka Borissova , Leonardo Bronfman , Giovanni Carraro , Márcio Catelan , Juan J. Clariá , Carlos Contreras , Nicholas Cross , Christopher Davis , Richard de Grijs , Janet E. Drew , Cecilia Fariña , Carlos Feinstein , Eduardo Fernández Lajús , Stuart Folkes , Roberto C. Gamen , Douglas Geisler , Wolfgang Gieren , Bertrand Goldman , Oscar González , Andrew Gosling , Guillermo Gunthardt , Sebastian Gurovich , Nigel C. Hambly , Margaret Hanson , Melvin Hoare , Mike J. Irwin , Valentin D. Ivanov , Andrés Jordán , Eamonn Kerins , Karen Kinemuchi , Radostin Kurtev , Andy Longmore , Martin López-Corredoira , Tom Maccarone , Eduardo Martín , Nicola Masetti , Ronald E. Mennickent , David Merlo , Maria Messineo , I. Félix Mirabel , Lorenzo Monaco , Christian Moni Bidin , Lorenzo Morelli , Nelson Padilla , Tali Palma , Maria Celeste Parisi , Quentin Parker , Daniela Pavani , Pawel Pietrukowicz , Grzegorz Pietrzynski , Giuliano Pignata , Marina Rejkuba , Alejandra Rojas , Alexandre Roman-Lopes , Maria Teresa Ruiz , Stuart E. Sale , Ivo Saviane , Matthias R. Schreiber , Anja C. Schröder , Saurabh Sharma , Michael Smith , Laerte Sodré , Mario Soto , Andrew W. Stephens , Motohide Tamura , Claus Tappert , Mark A. Thompson , Ignacio Toledo , Elena Valenti , Leonardo Vanzi , Walter Weidmann , Manuela Zoccali