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The K2 mission of the Kepler Space Telescope allowed the observations of light curves of small solar system bodies throughout the whole Solar system. In this paper we present the results of a collection of K2 transneptunian object…

The extended Kepler mission (K2) has revealed more than 500 transiting planets in roughly 500,000 stellar light curves. All of these were found either with the box least-squares algorithm or by visual inspection. Here we use our new transit…

Earth and Planetary Astrophysics · Physics 2019-07-15 René Heller , Michael Hippke , Kai Rodenbeck

We present a simple and interpretable representation of TESS light curves designed for large-scale exploratory analysis. Our goal is not to optimize classification performance, but to construct a computationally efficient mapping in which…

Instrumentation and Methods for Astrophysics · Physics 2026-05-08 Dovi Poznanski

The recently approved NASA K2 mission has the potential to multiply by an order of magnitude the number of short-period transiting planets found by Kepler around bright and low-mass stars, and to revolutionise our understanding of stellar…

Instrumentation and Methods for Astrophysics · Physics 2015-06-23 Suzanne Aigrain , Simon T. Hodgkin , Michael J. Irwin , Jim R. Lewis , Stephen J. Roberts

We describe the release of a new High Level Science Product (HLSP) available at the MAST archive. The HLSP, called K2Superstamp, consists of a series of FITS images for four open star clusters observed by the K2 Mission using so-called…

Instrumentation and Methods for Astrophysics · Physics 2018-02-20 Ann Marie Cody , Geert Barentsen , Christina Hedges , Michael Gully-Santiago , José Vinícius de Miranda Cardoso

We present K2SC (K2 Systematics Correction), a Python pipeline to model instrumental systematics and astrophysical variability in light curves from the K2 mission. K2SC uses Gaussian process regression to model position-dependent…

Solar and Stellar Astrophysics · Physics 2016-04-27 Suzanne Aigrain , Hannu Parviainen , Benjamin Pope

Accurate limb-darkening models are needed for accurate characterisation of eclipsing binary stars and transiting exoplanets from the analysis of their light curves. The limb-darkening observed in solar-type stars from the analysis of light…

Solar and Stellar Astrophysics · Physics 2025-02-14 Jay Fitzpatrick , Pierre F. L. Maxted , Alix V. Freckelton , Amuary H. M. J. Triaud , David V. Martin , Alison Duck

We compiled a list of more than 3500 eclipsing binaries located in and near the Northern Continuous Viewing Zone (NCVZ) of the TESS space telescope that have a sufficient amount of TESS photometry to search for additional hidden components…

Solar and Stellar Astrophysics · Physics 2024-02-05 T. Mitnyan , T. Borkovits , D. R. Czavalinga , S. A. Rappaport , A. P'al , B. P. Powell , T. Hajdu

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 curves analysis, we have derived accurate physical parameters…

Solar and Stellar Astrophysics · Physics 2026-02-23 Yani Guo , Kai Li , Yanke Tang , Xiang Gao , Qiqi Xia , Liheng Wang , Meng Guo

Accurately and rapidly classifying exoplanet candidates from transit surveys is a goal of growing importance as the data rates from space-based survey missions increases. This is especially true for NASA's TESS mission which generates…

The Transiting Exoplanet Survey Satellite (TESS) mission measured light from stars in ~85% of the sky throughout its two-year primary mission, resulting in millions of TESS 30-minute cadence light curves to analyze in the search for…

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

Stellar variability and transient events provide critical insights into astrophysics, accelerated by missions like CoRoT, Kepler, and K2. NASA's Transiting Exoplanet Survey Satellite (TESS) adds a unique combination of long baseline and…

Solar and Stellar Astrophysics · Physics 2025-11-25 Bisi Bernard Ogunwale , Yossi Zaguri , Volker Perdelwitz , Marcel V"olschow , Sagi Yosef Azulay , Dafne Guetta , Lev Tal-Or

We present a comparative analysis of observations of the selected exoplanet transits obtained at the Kyiv Comet station with the database of the TESS (Transiting Exoplanet Survey Satellite) and Kepler space telescopes. The light curves…

Earth and Planetary Astrophysics · Physics 2023-01-11 M. Lobodenko , Ya. Pavlenko , I. Kulyk , A. Nahurna , M. Solomakha , O. Baransky

In this work we report the discovery and analysis of six new compact triply eclipsing triple star systems found with the TESS mission: TICs 37743815, 42565581, 54060695, 178010808, 242132789, and 456194776. All of these exhibit distinct…

The NASA TESS mission is conducting a nearly full-sky survey, enabling the photometric characterisation of millions of stars. The forthcoming ESA PLATO mission will provide long-duration, high-precision photometry of tens of thousands of…

Studies of the rotation and activity of M type stars are essential to enhance our understanding of stellar dynamos and angular momentum evolution. Using the outstanding photometric capabilities of space telescopes rotation signals even with…

Solar and Stellar Astrophysics · Physics 2024-07-17 St. Raetz , B. Stelzer

We present the end-to-end data reduction pipeline for SCALES (Slicer Combined with Array of Lenslets for Exoplanet Spectroscopy), the upcoming thermal-infrared, diffraction-limited imager, and low and medium-resolution integral field…

Instrumentation and Methods for Astrophysics · Physics 2025-09-22 Athira Unni , Steph Sallum , Peyton Benac , Michael P. Fitzgerald , Max Brodheim , Rosalie McGurk , Andy Skemer , William T. S. Deich
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