中文
相关论文

相关论文: KIC 4150611: a rare multi-eclipsing quintuple with…

200 篇论文

Stars that are both pulsating and eclipsing offer an important opportunity to better understand many of the physical phenomena that occur in stars, because it is possible to measure the pulsation frequencies of stars for which the masses…

太阳与恒星天体物理 · 物理学 2023-11-28 Zachary Jennings , John Southworth , Kresimir Pavlovski , Timothy Van Reeth

The presence of A/F-type {\it Kepler} hybrid stars extending across the entire $\delta$ Sct-$\gamma$ Dor instability strips and beyond remains largely unexplained. In order to better understand these particular stars, we performed a…

太阳与恒星天体物理 · 物理学 2021-03-31 P. Lampens , L. Vermeylen , Y. Frémat , Á. Sódor , M. Skarka , A. Samadi-Ghadim , Zs. Bognár , H. Lehmann , P. De Cat , A. Goswami , L. Dumortier

We analyse the fifth roAp star reported in the Kepler field, KIC 7582608, discovered with the SuperWASP project. The object shows a high frequency pulsation at 181.7324 d$^{-1}$ (P=7.9 min) with an amplitude of 1.45 mmag, and low frequency…

太阳与恒星天体物理 · 物理学 2015-06-22 Daniel L. Holdsworth , Barry Smalley , Donald W. Kurtz , John Southworth , Margarida S. Cunha , Kelsey I. Clubb

We present photodynamical models of four eclipsing binary systems that are members of higher-order multiple systems. We provide some radial velocities measurements and use recent TESS data for three of the systems. KIC 7668648 consists of…

太阳与恒星天体物理 · 物理学 2023-12-12 Jerome A. Orosz

Aims. We aim to find more eclipsing multiple systems and obtain their parameters, thus increasing our understanding of multiple systems. Methods. The extraneous eclipses on the \textit{kepler} binary light curves indicating extraneous…

太阳与恒星天体物理 · 物理学 2018-03-28 J. Zhang , S. B. Qian , S. M. Wang , L. L. Sun , Y. Wu , L. Q. Jiang

We present the eclipsing Heartbeat Star KIC 9704906 with tidally excited oscillations (TEOs) and gamma Doradus/delta Scuti hybrid pulsations. The derived parameters show that it has an orbital period of $P$=8.7529108(1) days, a high…

太阳与恒星天体物理 · 物理学 2024-12-10 Min-Yu Li , Sheng-Bang Qian , Li-Ying Zhu , Liang Liu , Wen-Ping Liao , Er-Gang Zhao , Xiang-Dong Shi , Fu-Xing Li , Qi-Bin Sun

The subdwarf-B pulsator, KIC 10553698A, is one of 16 such objects observed with one-minute sampling for most of the duration of the Kepler Mission. Like most of these stars, it displays a rich g-mode pulsation spectrum with several clear…

太阳与恒星天体物理 · 物理学 2014-09-10 R. H. Østensen , J. H. Telting , M. D. Reed , A. S. Baran , P. Nemeth , F. Kiaeerad

The recently discovered subdwarf B (sdB) pulsator KIC7668647 is one of the 18 pulsating sdB stars detected in the Kepler field. It features a rich g-mode frequency spectrum, with a few low-amplitude p-modes at short periods. We use new…

太阳与恒星天体物理 · 物理学 2014-11-05 J. H. Telting , A. S. Baran , P. Nemeth , R. H. Ostensen , T. Kupfer , S. Macfarlane , U. Heber , C. Aerts , S. Geier

We present our analyses of 15 months of Kepler data on KIC 10139564. We detected 57 periodicities with a variety of properties not previously observed all together in one pulsating subdwarf B star. Ten of the periodicities were found in the…

In this study we identify 11 Kepler systems (KIC 5255552, 5653126, 5731312, 7670617, 7821010, 8023317, 10268809, 10296163, 11519226, 11558882 and 12356914) with a "flip-flop" effect in the eclipse timing variations O-C diagrams of the…

太阳与恒星天体物理 · 物理学 2020-09-02 A. K. Getley , B. Carter , R. King , S. O'Toole

We present a detailed study of KIC 2306740, an eccentric double-lined eclipsing binary system. Kepler satellite data were combined with spectroscopic data obtained with the 4.2 m William Herschel Telescope (WHT). This allowed us to…

太阳与恒星天体物理 · 物理学 2021-04-14 D. Koçak , K. Yakut , J. Southworth , P. P. Eggleton , T. İçli , C. A. Tout , S. Bloemen

We present the discovery of nonradial pulsations in five hot subdwarf B (sdB) stars based on 27 days of nearly continuous time-series photometry using the Kepler spacecraft. We find that every sdB star cooler than $\approx 27\,500\,$K that…

KIC 2835289 is a triple stellar system that consists of an inner ellipsoidal variable with an orbital period of ~0.86 days and an outer star that eclipses the inner pair every ~750 days. Two eclipse events were observed by the Kepler…

太阳与恒星天体物理 · 物理学 2015-04-20 Kyle Conroy , Andrej Prsa , Keivan Stassun , Jerome Orosz

We present the discovery of nonradial pulsations in a hot subdwarf B star based on 30.5 days of nearly continuous time-series photometry using the \emph{Kepler} spacecraft. KIC 010139564 is found to be a short-period pulsator of the V361…

Four candidates of eclipsing multiples, based on new extraneous eclipses found on Kepler binary light curves, are presented and studied. KIC 7622486 is a double eclipsing binary candidate with orbital period of 2.2799960 days and 40.246503…

太阳与恒星天体物理 · 物理学 2017-03-03 Jia Zhang , Sheng-Bang Qian , Jian-Duo He

KIC 10417986 is a short orbital period (0.0737 d) ellipsoidal variable star with a {\delta} Scuti and {\gamma} Doradus hybrid pulsations component discovered by Kepler. The ground-based spectroscopic observations were carried out in the…

We report the discovery of a post-mass transfer Gamma Doradus/Delta Scuti hybrid pulsator in the eclipsing binary KIC~9592855. This binary has a circular orbit, an orbital period of 1.2 days, and contains two stars of almost identical…

太阳与恒星天体物理 · 物理学 2017-12-20 Zhao Guo , Douglas R. Gies , Rachel. A. Matson

We determined the orbits and stellar parameters of three eccentric eclipsing binaries by light curve solutions of their Kepler data. KIC 10992733 and KIC 5632781 undergo total eclipses while KIC 10026136 reveals partial eclipses. The…

太阳与恒星天体物理 · 物理学 2017-07-26 Diana Kjurkchieva , Doroteya Vasileva

KIC 6951642 has been reported as a candidate hybrid pulsator of type-$\gamma$ Doradus-$\delta$ Scuti from observations of the first quarters of the Kepler mission. We aim to investigate the pulsating nature of KIC 6951642 and to search for…

太阳与恒星天体物理 · 物理学 2022-11-09 A. Samadi-Ghadim , P. Lampens , L. Gizon

Close-in substellar companions experience strong tidal and magnetic interactions with their host stars and are therefore subject to fast orbital evolution. The solar-type pulsator KIC 9139163 exhibits in its light curve a stable 0.6-day…