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View article: Attributing the O’Connell Effect in Contact Binaries to a Cooling Mass-transfer Stream
Attributing the O’Connell Effect in Contact Binaries to a Cooling Mass-transfer Stream Open
Contact binaries are very short-period systems that are continuously interacting by transferring mass and energy. Obtaining large, statistical samples of contact binaries from photometric surveys can put valuable constraints on the various…
View article: An In-depth Study of Brown Dwarfs with TESS
An In-depth Study of Brown Dwarfs with TESS Open
The existence of a deficit of brown dwarfs (BDs) in close orbit around main-sequence stars is one of the most intriguing questions in stellar physics. This so-called BD desert may result from the transition between two different dominant f…
View article: An in-depth study of brown dwarfs with TESS
An in-depth study of brown dwarfs with TESS Open
The existence of a deficit of brown dwarfs (BDs) in close orbit around main-sequence stars is one of the most intriguing questions in stellar physics. This so-called BD desert may result from the transition between two different dominant f…
View article: Binary Analysis and Period Study of the Long-period, High-mass-ratio Contact Binary KIC 7766185
Binary Analysis and Period Study of the Long-period, High-mass-ratio Contact Binary KIC 7766185 Open
We present an in-depth photometric and spectroscopic study of the contact binary KIC 7766185. Spectroscopic observations were conducted on the Mayall 4 m telescope at Kitt Peak National Observatory and used to extract radial velocities. Us…
View article: The TESS Ten Thousand Catalog: 10,001 Uniformly Vetted and Validated Eclipsing Binary Stars Detected in Full-frame Image Data by Machine Learning and Analyzed by Citizen Scientists
The TESS Ten Thousand Catalog: 10,001 Uniformly Vetted and Validated Eclipsing Binary Stars Detected in Full-frame Image Data by Machine Learning and Analyzed by Citizen Scientists Open
The Transiting Exoplanet Survey Satellite (TESS) has surveyed nearly the entire sky in full-frame image mode with a time resolution of 200 s to 30 minutes and a temporal baseline of at least 27 days. In addition to the primary goal of disc…
View article: Binary Analysis and Period Study of the Long-Period, High Mass Ratio Contact Binary KIC 7766185
Binary Analysis and Period Study of the Long-Period, High Mass Ratio Contact Binary KIC 7766185 Open
We present an in-depth photometric and spectroscopic study of the contact binary KIC 7766185. Spectroscopic observations were conducted on the Mayall 4-m telescope at Kitt Peak National Observatory and used to extract radial velocities. Us…
View article: Crossmatching the TESS Eclipsing Binary Catalog with Kepler
Crossmatching the TESS Eclipsing Binary Catalog with Kepler Open
The Transiting Exoplanet Survey Satellite (TESS) is at the forefront of the eclipsing binary (EB) cataloging effort, with a list of TESS observed EBs exceeding 4500 entries. We cross-match Villanova’s TESS EB catalog with the Kepler EB cat…
View article: Physics Of Eclipsing Binaries. VII. Interferometric module
Physics Of Eclipsing Binaries. VII. Interferometric module Open
Interferometric measurements are essential to constrain models of stellar systems, by spatially resolving angular distances and diameters well below the classical diffraction limit. In this work, we describe the interferometric module of P…
View article: Physics Of Eclipsing Binaries. VIII. Multiple systems
Physics Of Eclipsing Binaries. VIII. Multiple systems Open
Multiple stellar systems are common especially among O and B stars. In order to accurately describe their dynamics, interactions among components must be accounted for. In this work, we describe the new dynamical model in Phoebe, which cou…
View article: Physics Of Eclipsing Binaries. IX. Spectroscopic module
Physics Of Eclipsing Binaries. IX. Spectroscopic module Open
Spectroscopic observations constrain the fundamental properties of stellar atmospheres, in particular, the effective temperature, the gravitational acceleration, or the metallicity. In this work, we describe the spectroscopic module for Ph…
View article: The TESS Ten Thousand Catalog: 10,001 uniformly-vetted and -validated Eclipsing Binary Stars detected in Full-Frame Image data by machine learning and analyzed by citizen scientists
The TESS Ten Thousand Catalog: 10,001 uniformly-vetted and -validated Eclipsing Binary Stars detected in Full-Frame Image data by machine learning and analyzed by citizen scientists Open
The Transiting Exoplanet Survey Satellite (TESS) has surveyed nearly the entire sky in Full-Frame Image mode with a time resolution of 200 seconds to 30 minutes and a temporal baseline of at least 27 days. In addition to the primary goal o…
View article: The Eclipsing Binaries via Artificial Intelligence. II. Need for Speed in PHOEBE Forward Models
The Eclipsing Binaries via Artificial Intelligence. II. Need for Speed in PHOEBE Forward Models Open
In modern astronomy, the quantity of data collected has vastly exceeded the capacity for manual analysis, necessitating the use of advanced artificial intelligence (AI) techniques to assist scientists with the most labor-intensive tasks. A…
View article: The present and the future of modeling eclipsing binary systems
The present and the future of modeling eclipsing binary systems Open
In September 2024, eclipsing binary star practitioners gathered in Litomysl, Czech Republic, the birth town of Zdenek Kopal, one of the most celebrated pioneers of our field, to discuss the latest developments and state-of-the-art. I was i…
View article: The Eclipsing Binaries via Artificial Intelligence. II. Need for Speed in PHOEBE Forward Models
The Eclipsing Binaries via Artificial Intelligence. II. Need for Speed in PHOEBE Forward Models Open
In modern astronomy, the quantity of data collected has vastly exceeded the capacity for manual analysis, necessitating the use of advanced artificial intelligence (AI) techniques to assist scientists with the most labor-intensive tasks. A…
View article: Precision Timing of Eclipsing Binaries from TESS Full Frame Images: Method and Performance
Precision Timing of Eclipsing Binaries from TESS Full Frame Images: Method and Performance Open
Several hundreds of thousands of eclipsing binaries (EBs) are expected to be detected in the Transiting Exoplanet Survey Satellite (TESS) full frame images (FFIs). This represents a significant increase in the number of EBs available for e…
View article: KIC 4150611: A quadruply eclipsing heptuple star system with a <i>g</i>-mode period-spacing pattern
KIC 4150611: A quadruply eclipsing heptuple star system with a <i>g</i>-mode period-spacing pattern Open
Context. KIC 4150611 is a high-order multiple composed of a triple system. It comprises: (1) a F1V primary (Aa) that is eclipsed on a 94.2d period by a tight 1.52d binary composed of two dim K/M dwarfs (Ab1 and Ab2), which also eclipse eac…
View article: KIC 4150611: A quadruply eclipsing heptuple star system with a g-mode period-spacing pattern Eclipse modelling of the triple and spectroscopic analysis
KIC 4150611: A quadruply eclipsing heptuple star system with a g-mode period-spacing pattern Eclipse modelling of the triple and spectroscopic analysis Open
KIC 4150611 is a high-order multiple composed of a triple system composed of the F1V primary (Aa), which is eclipsed on a 94.2d period by a tight 1.52d binary composed of two dim K/M dwarfs (Ab1, Ab2), which also eclipse each other; an 8.6…
View article: Precision timing of eclipsing binaries from TESS full frame images. Method and performance
Precision timing of eclipsing binaries from TESS full frame images. Method and performance Open
Several hundreds of thousands of eclipsing binaries (EBs) are expected to be detected in the Transiting Exoplanet Survey Satellite (TESS) full frame images (FFIs). This represents a significant increase in the number of EBs available for e…
View article: Automated eccentricity measurement from raw eclipsing binary light curves with intrinsic variability
Automated eccentricity measurement from raw eclipsing binary light curves with intrinsic variability Open
Context. 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 stellar s…
View article: Automated eccentricity measurement from raw eclipsing binary light curves with intrinsic variability
Automated eccentricity measurement from raw eclipsing binary light curves with intrinsic variability Open
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 stellar …
View article: Rubin Observatory LSST Transients and Variable Stars Roadmap
Rubin Observatory LSST Transients and Variable Stars Roadmap Open
The Vera C. Rubin Legacy Survey of Space and Time (LSST) holds the potential to revolutionize time domain astrophysics, reaching completely unexplored areas of the Universe and mapping variability time scales from minutes to a decade. To p…
View article: The LSST Cadence Impact on Non-time-critical Eclipsing Binary Science
The LSST Cadence Impact on Non-time-critical Eclipsing Binary Science Open
The Legacy Survey of Space and Time (LSST) is slated to commence in 2025 at the Vera Rubin Observatory. One of the crucial parts of preparing the survey is the choice of observing cadence in an effort to optimize auxiliary science goals wh…
View article: <i>Gaia</i>Data Release 3
<i>Gaia</i>Data Release 3 Open
Context. Gaia has been in operations since 2014, and two full data releases (DR) have been delivered so far: DR1 in 2016 and DR2 in 2018. The third Gaia data release expands from the early data release (EDR3) in 2020, which contained the f…
View article: <i>Gaia</i>Data Release 3
<i>Gaia</i>Data Release 3 Open
Context. Gaia Data Release 3 (DR3) provides a number of new data products that complement the early DR3 made available two years ago. Among these is the first Gaia catalogue of eclipsing-binary candidates containing 2 184 477 sources with …
View article: Rubin Observatory LSST Transients and Variable Stars Roadmap
Rubin Observatory LSST Transients and Variable Stars Roadmap Open
The Vera C. Rubin Legacy Survey of Space and Time holds the potential to revolutionize time domain astrophysics, reaching completely unexplored areas of the Universe and mapping variability time scales from minutes to a decade. To prepare …
View article: The SDSS-HET Survey of Kepler Eclipsing Binaries. A Sample of Four Benchmark Binaries
The SDSS-HET Survey of Kepler Eclipsing Binaries. A Sample of Four Benchmark Binaries Open
The purpose of this work is to extend a sample of accurately modeled, benchmark-grade eclipsing binaries (EBs) with accurately determined masses and radii. We select four “well-behaved” Kepler binaries, KIC 2306740, KIC 4076952, KIC 519338…
View article: TESS Eclipsing Binary Stars. I. Short-cadence Observations of 4584 Eclipsing Binaries in Sectors 1–26
TESS Eclipsing Binary Stars. I. Short-cadence Observations of 4584 Eclipsing Binaries in Sectors 1–26 Open
In this paper we present a catalog of 4584 eclipsing binaries observed during the first two years (26 sectors) of the TESS survey. We discuss selection criteria for eclipsing binary candidates, detection of hitherto unknown eclipsing syste…
View article: The TESS light curve of AI Phoenicis
The TESS light curve of AI Phoenicis Open
Accurate masses and radii for normal stars derived from observations of detached eclipsing binary stars are of fundamental importance for testing stellar models and may be useful for calibrating free parameters in these model if the masses…
View article: The brave new world of eclipsing binary modeling
The brave new world of eclipsing binary modeling Open
This contribution highlights some of the open questions identified by the binary star community in attendance, based on a 45-min discussion in lieu of an ex-cathedra talk.As photometric and spectroscopic data accuracy reach unprecedented l…