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Related papers: TESS Photometry of the Eclipsing $\delta$ Scuti St…

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We present a new eclipsing binary (EB) showing multiperiodic oscillations using the first three sectors of {\it TESS} photometry. The eclipse and pulsation light curves of TIC 309658221 were modeled using an iterative method to obtain a…

Solar and Stellar Astrophysics · Physics 2019-05-15 Jae Woo Lee , Martti H. Kristiansen , Kyeongsoo Hong

The pulsating eclipsing binaries are remarkable systems that provide an opportunity to probe the stellar interior and to determine the fundamental stellar parameters precisely. Especially the detached eclipsing binary systems with (a)…

We present a detailed analysis of the detached eclipsing binary system HO Telescopii, which contains two A-type stars in a circular orbit of period 1.613 d. We use light curves from the Transiting Exoplanet Survey Satellite (TESS), which…

Solar and Stellar Astrophysics · Physics 2024-08-26 John Southworth

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

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

IM Per is a triple star system whose eclipsing pair masses and radii are accurate to within 1 \%. The TESS light curve of the program target exhibits partial eclipses and multiple oscillations with mmag-level amplitudes. It is found that…

Solar and Stellar Astrophysics · Physics 2021-03-03 Jae Woo Lee , Kyeongsoo Hong , Hye-Young Kim

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 present a comprehensive analysis of five eclipsing binary systems containing $\beta$ Cephei-type pulsating components. These systems were identified using the high-precision Transiting Exoplanet Survey Satellite (TESS) photometry and…

Solar and Stellar Astrophysics · Physics 2025-09-24 O. Cakirli , B. Hoyman , O. Ozdarcan , S. Bilir

We announce the discovery of pulsations in HD 23642, the only bright eclipsing system in the Pleiades, based on light curves from the Transiting Exoplanet Survey Satellite (TESS). We measure 46 pulsation frequencies and attribute them to…

Solar and Stellar Astrophysics · Physics 2023-01-25 John Southworth , Simon J. Murphy , Kresimir Pavlovski

CW Cep is an early B-type eclipsing binary with mass measurement precisions better than 1 \%. We report the discovery of pulsation signatures in the TESS time-series data of the system observed during Sectors 17 and 18. Our binary modeling…

Solar and Stellar Astrophysics · Physics 2020-12-23 Jae Woo Lee , Kyeongsoo Hong

In this paper, we present TESS photometry and high-resolution spectra of the short-period Algol EW Boo. We obtained double-lined radial velocities (RVs) from the time-series spectra and measured the effective temperature of the primary star…

Solar and Stellar Astrophysics · Physics 2022-09-20 Hye-Young Kim , Kyeongsoo Hong , Chun-Hwey Kim , Jae Woo Lee , Min-Ji Jeong , Jang-Ho Park , Mi-Hwa Song

We use TESS 10-minute Full Frame Images (Sectors 27-55) to study a sample of 1708 stars within 500 pc of the Sun that lie in a narrow colour range in the centre of the delta Scuti instability strip (0.29 < BP-RP < 0.31). Based on the…

We present a catalog of binary companions to $\delta$ Scuti stars, detected through phase modulations of their pulsations in TESS data. Pulsation timing has provided orbits for hundreds of pulsating stars in binaries from space-based…

Solar and Stellar Astrophysics · Physics 2024-10-28 Shishir Dholakia , Simon J. Murphy , Chelsea X. Huang , Alexander Venner , Duncan Wright

In this paper, we present the results of a comprehensive study of six eclipsing binaries whose components are confirmed or suspected Am stars. By combining long-term high-resolution CAOS spectroscopy and TESS photometry we have been able to…

Solar and Stellar Astrophysics · Physics 2024-02-27 G. Catanzaro , A. Frasca , J. Alonso-Santiago , C. Colombo

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 $30\%$…

We present new photometric and spectroscopic observations and analyses for the eclipsing binary systems V1241 Tau and GQ Dra. Our photometric light and radial velocity curves analyses combining with the TESS light curves show that both are…

Solar and Stellar Astrophysics · Physics 2021-02-17 B. Ulas , K. Gazeas , A. Liakos , C. Ulusoy , I. Stateva , N. Erkan , M. Napetova , I. Kh. Iliev

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…

We present the results of a multi-site photometric campaign carried out in 2004-2008 for the Algol-type eclipsing binary system CT Her, the primary component of which shows Delta Scuti-type oscillations. Our data consist of differential…

We present high-precision TESS photometry of V421 Peg (TIC 301747091), an early F-type eclipsing binary containing a candidate $\gamma$ Dor component. The observed short-cadence data allow the detection of pulsation signals, along with…

Solar and Stellar Astrophysics · Physics 2025-10-02 Jae Woo Lee
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