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TIC 322208686 is known to be a detached binary that exhibits two types of variability: pulsation and eclipse. We present the physical properties of the target star using the short-cadence TESS data from sectors 24, 57, and 58, and our…

Solar and Stellar Astrophysics · Physics 2025-11-25 Jae Woo Lee , Kyeongsoo Hong , Min-Ji Jeong , Jang-Ho Park , Pakakaew Rittipruk , Hye-Young Kim

We report the discovery of the third tidally tilted pulsator, TIC 63328020. Observations with the TESS satellite reveal binary eclipses with an orbital period of 1.1057 d, and $\delta$ Scuti-type pulsations with a mode frequency of 21.09533…

Pulsating stars in eclipsing binaries are very important to understand stellar interior structures through astroseismology because their absolute parameters such as the masses and radii can be determined in high precision based on…

Solar and Stellar Astrophysics · Physics 2024-12-02 Xiang-Dong Shi , Sheng-Bang Qian , Lin-Jia Li

We present the physical properties of EPIC 245932119 ($K_{\rm p}$ = $+$9.82) exhibiting both eclipses and pulsations from the {\it K{\rm 2}} photometry. The binary modeling indicates that the eclipsing system is in detached or semi-detached…

Solar and Stellar Astrophysics · Physics 2018-12-26 Jae Woo Lee , Kyeongsoo Hong , Martti H. Kristiansen

We present a complex study of the eclipsing binary system, AB Cas. The analysis of the whole TESS light curve, corrected for the binary effects, reveals 112 significant frequency peaks with 17 independent signals. The dominant frequency…

Solar and Stellar Astrophysics · Physics 2022-05-11 A. Miszuda , P. A. Kołaczek-Szymański , W. Szewczuk , J. Daszyńska-Daszkiewicz

We report the discovery of a compact triply eclipsing triple star system in the southern continuous viewing zone of the TESS space telescope. TIC 278825952 is a previously unstudied, circular eclipsing binary with a period of 4.781 days…

Solar and Stellar Astrophysics · Physics 2020-10-14 T. Mitnyan , T. Borkovits , S. A. Rappaport , A. Pál , P. F. L. Maxted

AI Hya has been known as an eclipsing binary with a monoperiodic $\delta$ Sct pulsator. We present the results from its {\it TESS} photometry observed during Sector 7. Including our five minimum epochs, the eclipse timing diagram displays…

Solar and Stellar Astrophysics · Physics 2020-05-06 Jae Woo Lee , Kyeongsoo Hong , Martti H. Kristiansen

EL CVn-type eclipsing binaries are composed of a massive A-type main-sequence primary star and a hotter B-type secondary star. This paper presents the time-series photometric and asteroseismic results of the EL CVn-type star 1SWASP…

Solar and Stellar Astrophysics · Physics 2021-11-03 Seung-Lee Kim , Jae Woo Lee , Chung-Uk Lee , Yongseok Lee , Dong-Joo Lee , Kyeongsoo Hong , Sang-Mok Cha , Dong-Jin Kim , Byeong-Gon Park

We present the discovery of a rare system detected in the TESS data showing three different eclipsing-like signals. TIC 452991707 and TIC 452991693 seem to be the second such system on the sky, whose two components separated about 16" are…

Solar and Stellar Astrophysics · Physics 2022-09-13 P. Zasche , Z. Henzl

We report the first discovery of a transiting circumbinary planet detected from a single sector of TESS data. During Sector 21, the planet TIC 172900988b transited the primary star and then 5 days later it transited the secondary star. The…

Earth and Planetary Astrophysics · Physics 2021-11-17 Veselin B. Kostov , Brian P. Powell , Jerome A. Orosz , William F. Welsh , William Cochran , Karen A. Collins , Michael Endl , Coel Hellier , David W. Latham , Phillip MacQueen , Joshua Pepper , Billy Quarles , Lalitha Sairam , Guillermo Torres , Robert F. Wilson , Serge Bergeron , Pat Boyce , Allyson Bieryla , Robert Buchheim , Caleb Ben Christiansen , David R. Ciardi , Kevin I. Collins , Dennis M. Conti , Scott Dixon , Pere Guerra , Nader Haghighipour , Jeffrey Herman , Eric G. Hintz , Ward S. Howard , Eric L. N. Jensen , John F. Kielkopf , Ethan Kruse , Nicholas M. Law , David Martin , Pierre F. L. Maxted , Benjamin T. Montet , Felipe Murgas , Matt Nelson , Greg Olmschenk , Sebastian Otero , Robert Quimby , Michael Richmond , Richard P. Schwarz , Avi Shporer , Keivan G. Stassun , Denise C. Stephens , Amaury H. M. J. Triaud , Joe Ulowetz , Bradley S. Walter , Edward Wiley , David Wood , Mitchell Yenawine , Eric Agol , Thomas Barclay , Thomas G. Beatty , Isabelle Boisse , Douglas A. Caldwell , Jessie Christiansen , Knicole D. Colon , Magali Deleuil , Laurance Doyle , Daniel Fabrycky , Michael Fausnaugh , Gabor Furesz , Emily A. Gilbert , Guillaume Hebrard , David J. James , Jon Jenkins , Stephen R. Kane , Richard C. Kidwell , Ravi Kopparapu , Gongjie Li , Jack J. Lissauer , Michael B. Lund , Steve Majewski , Tsevi Mazeh , Samuel N. Quinn , Elisa Quintana , George Ricker , Joseph E. Rodriguez , Jason Rowe , Alexander Santerne , Joshua Schlieder , Sara Seager , Matthew R. Standing , Daniel J. Stevens , Eric B. Ting , Roland Vanderspek , Joshua N. Winn

Pulsating stars in eclipsing binaries (EBs) provide an excellent opportunity to obtain precise, model-independent stellar parameters for studying oscillations in detail. One common class of pulsators in these EBs exhibits delta Scuti-type…

Solar and Stellar Astrophysics · Physics 2024-10-02 T. Pawar , K. G. Hełminiak , A. Moharana , G. Pawar , M. Pyatnytskyy , H. N. Lala , M. Konacki

We report the discovery in $TESS$ Sectors 3 and 4 of a compact triply eclipsing triple star system. TIC 209409435 is a previously unknown eclipsing binary with a period of 5.717 days, and the presence of a third star in an outer eccentric…

Solar and Stellar Astrophysics · Physics 2020-07-01 T. Borkovits , S. A. Rappaport , T. G. Tan , R. Gagliano , T. Jacobs , X. Huang , T. Mitnyan , F. -J. Hambsch , T. Kaye , P. F. L. Maxted , A. Pál , A. R. Schmitt

Based on 2-minute cadence TESS data from sectors 1-50, we report the results of the systematic extraction of $\delta$ Scuti-type pulsations in the 6431 eclipsing binaries with orbital periods shorter than 13 days. A total number of 242…

Solar and Stellar Astrophysics · Physics 2022-11-11 Chen Xinghao , Ding Xu , Cheng Liantao , Zhang Xiaobin , Li Yan , Ji Kaifan , Xiong Jianping , Li Xuzhi , Luo Changqing

We present TESS photometry of the triple star system V1031 Ori (AB)C, which exhibits short-period oscillations superimposed on an eclipsing light curve. The high-quality data were analyzed in detail and combined with the published…

Solar and Stellar Astrophysics · Physics 2021-07-07 Jae Woo Lee

Using TESS 20-sec cadence data, we have discovered an unusual combination of pulsating stars in what we infer to be a binary system. The binary consists of a standard $\delta$ Scuti star with pulsations over the range 32-41 d$^{-1}$; this…

This study presents photometric solutions for a carefully selected sample of 181 detached eclipsing binary systems recently observed by the Transiting Exoplanet Survey Satellite (TESS) mission. Our findings contribute to discussions about…

Solar and Stellar Astrophysics · Physics 2024-05-02 L. Siqueira , B. W. Freitas , D. B. de Freitas

Eclipsing binary systems with pulsating components allow the determination of several physical parameters of the stars, such as mass and radius, that, when combined with the pulsation properties, can be used to constrain the modeling of…

Solar and Stellar Astrophysics · Physics 2014-05-08 Ronaldo da Silva , Carla Maceroni , Davide Gandolfi , Holger Lehmann , Artie P. Hatzes

In this paper, we present a detailed analysis of the light variation of KIC 5623923 using high-precision time-series data from the $Kepler$ mission. The analysis reveals this target is an eclipsing binary system with $\delta$ Scuti type…

Solar and Stellar Astrophysics · Physics 2025-11-26 Tao-Zhi Yang , Zhao-Yu Zuo , Shi-ping Guo , Xu Ding , Hao-zhi Wang , Shahidin Yaqup , Ali Esamdin

We identify $240$ short-period ($P \lesssim 10$ days) binary systems in the TESS data, $180$ of which are heartbeat binaries (HB). The sample is mostly a mix of A and B-type stars and primarily includes eclipsing systems, where over $30\%$…

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