English
Related papers

Related papers: TIC 184743498: The First Tri-Axial Stellar Pulsato…

200 papers

Existence of pulsating stars in eclipsing binaries has been known for decades. These types of objects are extremely valuable systems for astronomical studies as they exhibit both eclipsing and pulsation variations. The eclipsing binaries…

Solar and Stellar Astrophysics · Physics 2022-07-27 F. Kahraman Alicavus , D. Gumus , O. Kirmizitas , O. Ekinci , S. Cavus , Y. T. Kaya , F. Alicavus

We present Kepler satellite photometry of KIC 10661783, a short-period binary star system which shows total eclipses and multi-periodic delta Scuti pulsations. A frequency analysis of the eclipse-subtracted light curve reveals at least 68…

We present the analysis of KIC 8164262, a heartbeat star with a high-amplitude (~1 mmag), tidally resonant pulsation (a mode in resonance with the orbit) at 229 times the orbital frequency and a plethora of tidally induced g-mode pulsations…

Solar and Stellar Astrophysics · Physics 2017-12-13 K. Hambleton , J. Fuller , S. Thompson , A. Prša , D. W. Kurtz , A. Shporer , H. Isaacson , A. W. Howard , M. Endl , W. Cochran , S. J. Murphy

Extensive photometric multisite campaigns of the Delta Scuti variable FG Vir are presented. For the years 2003 and 2004, 926 hours of photometry at the millimag precision level were obtained. The combinations with earlier campaigns lead to…

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

We present a list of delta Scuti stars in double and multiple systems, ranging from the very wide binaries to the very close ones such as spectroscopic and eclipsing systems including the optical visual pairs which are of no further use…

Astrophysics · Physics 2007-05-23 P. Lampens , H. M. J. Boffin

The majority of the well-studied Delta Scuti stars show frequency pairs in the power spectra with frequency separations less than 0.06 c/d(0.7 microHz) as well as amplitude variability. We examine the interpretation in terms of separate…

Astrophysics · Physics 2009-11-07 M. Breger , K. M. Bischof

We present and discuss the pulsational characteristics of the Delta Scuti star 38 Eri from photometric data obtained at two widely spaced epochs, partly from the ground (1998) and partly from space (MOST, 2011). We found 18 frequencies…

We report on Keck and Hubble Space Telescope optical observations of the eclipsing binary pulsar system PSR B1718-19, in the direction of the globular cluster NGC 6342. These reveal a faint star ($m_{\rm F702W}=25.21\pm0.07$; Vega system)…

Astrophysics · Physics 2009-10-31 M. H. van Kerkwijk , V. M. Kaspi , A. R. Klemola , S. R. Kulkarni , A. G. Lyne , D. Van Buren

Precise time-series photometry with the MOST satellite has led to identification of 10 pulsation frequencies in the rapidly oscillating Ap (roAp) star HD 134214. We have fitted the observed frequencies with theoretical frequencies of…

Solar and Stellar Astrophysics · Physics 2015-05-30 H. Saio , M. Gruberbauer , W. W. Weiss , J. M. Matthews , T. Ryabchikova

We present optical and infrared observations taken with the Very Large Telescope of the eclipsing binary pulsar system PSR B1718-19. The candidate companion of the pulsar, identified earlier in Hubble Space Telescope observations, has been…

Astrophysics · Physics 2009-11-11 T. Janssen , M. H. van Kerkwijk

A photometric variability study of a sample of northern field stars, which previously classified as either PMS or Herbig Ae/Be objects, has been undertaken with the purpose of detecting {\delta} Scuti-type pulsations. Determination of…

Solar and Stellar Astrophysics · Physics 2014-09-05 D. Díaz-Fraile , E. Rodríguez , P. J. Amado

We present a study of bright, young $\delta$ Scuti stars near the zero-age main sequence using TESS light curves and Gaia DR3 data. From a sample of 2041 stars with G<7 and $G_{BP}-G_{RP}$ colour in the range 0-0.6, we identified 444…

Solar and Stellar Astrophysics · Physics 2026-02-18 Prasad Mani , Timothy R. Bedding , Mara Bernizzoni , Simon J. Murphy , Daniel Hey

As a result of the search among about 11 000 stars from the public ASAS-3 database, we report detection of pulsating components in eleven eclipsing binaries. In particular, we have found three classical Algols, MX Pav, IZ Tel, and VY Mic,…

Astrophysics · Physics 2007-05-23 A. Pigulski , G. Michalska

We study 119 B stars located in the Scorpius-Centaurus Association using data from NASA's TESS Mission. We see pulsations in 81 stars (68%) across the full range of effective temperatures. In particular, we confirm previous reports of…

Solar and Stellar Astrophysics · Physics 2026-02-18 Awshesh N. Sharma , Timothy R. Bedding , Hideyuki Saio , Timothy R. White

We summarize our findings on three cool ZZ Ceti type pulsating white dwarfs. We determined eight independent modes in HS 0733+4119, of which seven are new findings. For GD 154, we detected two new eigenmodes, and the recurrence of the…

Previously, a series of tidally-excited oscillations were discovered in the eccentric eclipsing binary KIC 3230227. The pulsation amplitudes and phases suggest the observed oscillations are prograde quadruple modes. In this paper, we refine…

Solar and Stellar Astrophysics · Physics 2020-07-01 Zhao Guo

We present a study based on more than 2500 uvby-measurements collected on HD 172189, a new eclipsing binary system with a Delta Sct-type pulsating component that belongs to the open cluster IC 4756. The great interest of this object lies in…

Astrophysics · Physics 2009-11-11 S. Martin-Ruiz , P. J. Amado , J. C. suarez , A. Moya , A. Arellano Ferro , I. Ribas , E. Poretti

Tidally excited oscillations (TEOs) in Heartbeat Stars (HBSs) are an essential probe of the internal properties of the systems, but their potential has yet to be fully exploited. Based on the orbital parameters of TEO candidates from our…

Solar and Stellar Astrophysics · Physics 2024-04-09 Min-Yu Li , Sheng-Bang Qian , Li-Ying Zhu , Zhao Guo , Wen-Ping Liao , Er-Gang Zhao , Xiang-Dong Shi , Fu-Xing Li , Qi-Bin Sun
‹ Prev 1 4 5 6 7 8 10 Next ›