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Related papers: $\delta$ Scuti pulsations in the bright Pleiades e…

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The star HII 2407 is a member of the relatively young Pleiades star cluster and was previously discovered to be a single-lined spectroscopic binary. It is newly identified here within $Kepler$/$K2$ photometric time series data as an…

Asteroseismology has the potential to provide new insights into the physics of stellar interiors. We have obtained UVES high time resolution observations of the delta Scuti star HD21190 and of the Ap Sr star HD218994 to search for…

Astrophysics · Physics 2009-11-13 J. F. Gonzalez , S. Hubrig , D. W. Kurtz , V. Elkin , I. Savanov

Gamma Doradus and delta Scuti pulsators cover the transition region between low mass and massive main-sequence stars, and as such, are critical for testing stellar models. When they reside in binary systems, we can combine two independent…

HP Dra is a well-detached eclipsing binary containing two late-F stars on an orbit with a relatively large period of 10.76 d and a small eccentricity of 0.036. It has been observed in 14 sectors using the Transiting Exoplanet Survey…

Solar and Stellar Astrophysics · Physics 2025-08-07 John Southworth

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…

Context. This research paper contains light curve modelling, spectroscopy and detailed asteroseismic studies for four out of five in total semidetached eclipsing binaries with a delta Scuti component, that have been detected to date through…

Solar and Stellar Astrophysics · Physics 2017-11-22 Alexios Liakos

Thanks to relatively firm mode identification, possible based on period ratios only, High Amplitude Delta Scuti Stars pulsating in at least three radial modes are promising targets for asteroseismic inference. In this study we used the most…

Solar and Stellar Astrophysics · Physics 2022-07-20 H. Netzel , R. Smolec

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

The updated catalogue of $\delta$ Sct stars in binary systems as well as their statistical properties are presented. Thanks to the Kepler, K2 and TESS space missions, this version of the catalogue contains more than 1000 $\delta$ Sct…

Solar and Stellar Astrophysics · Physics 2025-05-07 Alexios Liakos

We present results of a multi-year study of the high-amplitude $\delta$ Scuti (HADS) star GSC 03144-595. The star was observed between June and September in 2011 and 2014 for 13 nights and 28 nights respectively. Based on our results we…

Solar and Stellar Astrophysics · Physics 2016-03-30 Ben Mow , Erik Reinhart , Samantha Nhim , Richard Watkins

Observations for the $\delta$ Scuti star AN Lyn have been made between 2008 and 2016 with the 85-cm telescope at Xinglong station of National Astronomical Observatories of China, the 84-cm telescope at SPM Observatory of Mexico and the…

Solar and Stellar Astrophysics · Physics 2017-10-31 Gang Li , Jianning Fu , Jie Su , Lester Fox-Machado , Raul Michel , Zhen Guo , Jinzhong Liu , Guojie Feng

In a photometric variability survey of 131 stars with B < 14 mag, we have found four new Delta Scuti stars. We were sensitive to oscillation amplitudes as low as a few mmag. The detection rate of short-period (P < 0.1 d) pulsating variable…

Astrophysics · Physics 2009-11-07 J. L. Sokoloski , Lars Bildsten , R. Chornock , Alexei V. Filippenko

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 first evidence for the pulsations of primary components of four eclipsing binary systems. The TESS light curves of the targets are analyzed, the light and the absolute parameters are derived. Fourier analyses are applied to…

Solar and Stellar Astrophysics · Physics 2022-03-09 Burak Ulaş , Ceren Ulusoy , Naci Erkan , Mothusi Madiba , Mercy Matsete

A new observational study of the Herbig Ae star VV Ser has been performed in order to detect and accurately measure pulsation frequencies in the $\delta$ Scuti range. As it belongs to the continuous field of view of the asteroseismological…

We searched for Delta Scuti-type pulsations amongst known and candidate Gamma Doradus stars. We acquired 270 h of observations and monitored a total of 26 stars. One target, HD 209295, turned out to be a member of both classes of pulsating…

Astrophysics · Physics 2009-11-07 G. Handler , R. R. Shobbrook

We present B band photometry of the $\delta$ Scuti star HD 40372 using the ARIES three channel fast photometer attached to the 104-cm Sampurnanand telescope in high-speed photometric mode. The star was observed for $\sim$ 5 hours on…

Solar and Stellar Astrophysics · Physics 2010-01-21 Sukanta Deb , S. K. Tiwari , Harinder P. Singh , T. R. Seshadri , U. S. Chaubey

Thanks to high-precision photometric data legacy from space telescopes like CoRoT and Kepler, the scientific community could detect and characterize the power spectra of hundreds of thousands of stars. Using the scaling relations, it is…

Solar and Stellar Astrophysics · Physics 2020-07-01 S. Barceló Forteza , A. Moya , D. Barrado , E. Solano , S. Martín-Ruiz , J. C. Suárez , A. García Hernández

We present the absolute properties of the eclipsing binary AO Ser with a pulsating component from our $BV$ photometric and high-resolution spectroscopic observations, which were performed between April and May 2017. The radial velocities…

Solar and Stellar Astrophysics · Physics 2020-11-11 Jang-Ho Park , Jae Woo Lee , Kyeongsoo Hong , Jae-Rim Koo , Chun-Hwey Kim

The regular behavior of the pulsations of high-amplitude Delta Sct (HADS) stars gives a greater chance to investigate the interiors of stars. We analyzed seven HADS stars showing peak-to-peak amplitudes of more than 0.3 mag that were newly…

Solar and Stellar Astrophysics · Physics 2024-07-09 Fatemeh Vasigh , Elham Ziaali , Hossein Safari