中文
相关论文

相关论文: On the eclipsing binary ELHC 10 with occulting dar…

200 篇论文

Analyzing the available photometry from the Kepler satellite and other databases, we performed detailed light curve modeling of 10 eclipsing binary systems that were found to exhibit a periodic modulation of their orbital periods. All of…

太阳与恒星天体物理 · 物理学 2015-06-03 P. Zasche , M. Wolf , H. Kucakova , J. Vrastil , J. Jurysek , M. Masek , M. Jelinek

The flat rotation curve obtained for the outer star clusters of the Large Magellanic Cloud is suggestive of an LMC dark matter halo. From the composite HI and star cluster rotation curve, I estimate the parameters of an isothermal dark…

天体物理学 · 物理学 2009-10-22 P Gondolo

We examine binary systems where the more massive star, the primary, explodes as a core collapse supernova (CCSN) the secondary star is already a giant that intercepts a large fraction of the ejecta. The ejecta might pollute the secondary…

太阳与恒星天体物理 · 物理学 2015-06-17 Efrat Sabach , Noam Soker

In this paper we analyzed the light curve of the object KIC~3832716 observed during Kepler K1 mission. We showed that this previously known eclipsing binary is in fact quadruple system, in double eclipsing binary configuration on a long…

太阳与恒星天体物理 · 物理学 2018-12-12 M. Fedurco , Š. Parimucha

We present the first reconstruction of the star formation history (SFH) of the Large and Small Magellanic Clouds (LMC and SMC) using Long Period Variable stars. These cool evolved stars reach their peak luminosity in the near-infrared;…

星系天体物理 · 物理学 2016-10-26 Sara Rezaei kh. , Atefeh Javadi , Habib Khosroshahi , Jacco Th. van Loon

To study the impact of the initial effects of metallicity (i.e., the abundance of elements heavier than helium) on star formation and the formation of different molecular species, we searched for hot molecular cores in the sub-solar…

KIC 8560861 (HD 183648) is a marginally eccentric (e=0.05) eclipsing binary with an orbital period of P_orb=31.973d, exhibiting mmag amplitude pulsations on time scales of a few days. We present the results of the complex analysis of high…

We consider a small sample of oxygen-rich, asymptotic giant branch stars in the Large Magellanic Cloud, observed by the Spitzer Space Telescope, exhibiting a peculiar spectral energy distribution, which can be hardly explained by the common…

太阳与恒星天体物理 · 物理学 2019-01-30 E. Marini , F. Dell'Agli , M. Di Criscienzo , S. Puccetti , D. A. García-Hernández , L. Mattsson , P. Ventura

We report on the discovery of a transient X-ray pulsars, located in the Small Magellanic Cloud, with a pulse period of 292 s. A series of Chandra pointings fortuitously recorded in 2010 April-May the occurrence of a two-weeks-long outburst,…

高能天体物理现象 · 物理学 2013-08-06 P. Esposito , G. L. Israel , L. Sidoli , G. A. Rodríguez Castillo , N. Masetti , P. D'Avanzo , S. Campana

The late B-type star V772 Cas (HD 10260) was previously suspected to be a rare example of a magnetic chemically peculiar star in an eclipsing binary system. Photometric observations of this star obtained by the TESS satellite show clear…

太阳与恒星天体物理 · 物理学 2020-11-18 O. Kochukhov , C. Johnston , J. Labadie-Bartz , S. Shetye , T. A. Ryabchikova , A. Tkachenko , M. E. Shultz

We report the first extragalactic detection of the higher-order millimeter hydrogen recombination lines ($\Delta n>2$). The $\gamma$-, $\epsilon$-, and $\eta$-transitions have been detected toward the millimeter continuum source N105-1A in…

Observational arguments supporting the binary explanation of the long secondary periods (LSP) phenomenon in red giants are presented. Photometry of about 1200 semiregular variables with the LSP in the Large Magellanic Cloud are analyzed…

天体物理学 · 物理学 2011-02-11 I. Soszynski

Using high resolution UVES spectra of the eclipsing Post Common Envelope Binary QS Vir we detect material along the line of sight to the white dwarf at orbital phase $\phi=0.16$. We ascribe this to a stellar prominence originating from the…

太阳与恒星天体物理 · 物理学 2015-05-20 S. G. Parsons , T. R. Marsh , B. T. Gänsicke , C. Tappert

We present the detection of very extended stellar populations around the Large Magellanic Cloud (LMC) out to R~21 degrees, or ~18.5 kpc at the LMC distance of 50 kpc, as detected in the Survey of the MAgellanic Stellar History (SMASH)…

During an X-ray survey of the Small Magellanic Cloud, carried out with the XMM-Newton satellite, we detected significant soft X-ray emission from the central star of the high-excitation planetary nebula SMP SMC 22. Its very soft spectrum is…

太阳与恒星天体物理 · 物理学 2015-05-18 S. Mereghetti , N. Krachmalnicoff , N. La Palombara , A. Tiengo , T. Rauch , F. Haberl , M. D. Filipovic , R. Sturm

The z=8 galaxy sample (EGSY-2008532660, EGS-zs8-1, EGS-zs8-2), observed with HST and Spitzer/IRAC, was selected for its atypical [3.6]-[4.5]mum IR excess. The best-fitting of observations is processed with multiple libraries of continuous…

星系天体物理 · 物理学 2018-12-12 Brigitte Rocca-Volmerange , A. Hilberer , M. Fioc

We report on observations of the superbubbles (SBs) N11 and N51D in the Large Magellanic Cloud (LMC) with Suzaku and XMM-Newton. The interior of both SBs exhibits diffuse X-ray emission, which is well represented by thin thermal plasma…

高能天体物理现象 · 物理学 2015-05-18 H. Yamaguchi , M. Sawada , A. Bamba

Massive stars at low metallicity are among the main feedback agents in the early Universe and in present-day star forming galaxies. When in binaries, these stars are potential progenitors of gravitational-wave events. Knowledge of stellar…

太阳与恒星天体物理 · 物理学 2022-03-14 D. Pauli , L. M. Oskinova , W. -R. Hamann , V. Ramachandran , H. Todt , A. A. C. Sander , T. Shenar , M. Rickard , J. Maíz Apellániz , R. Prinja

We report the first $BV$ light curves and high-resolution spectra of the post-mass transfer binary star WASP 0131+28 to study the absolute properties of extremely low-mass white dwarfs. From the observed spectra, the double-lined radial…

太阳与恒星天体物理 · 物理学 2020-07-08 Jae Woo Lee , Jae-Rim Koo , Kyeongsoo Hong , Jang-Ho Park

Using Liverpool Telescope+RISE photometry we identify the 2.78 hour period binary star CSS 41177 as a detached eclipsing double white dwarf binary with a 21,100K primary star and a 10,500K secondary star. This makes CSS 41177 only the…

太阳与恒星天体物理 · 物理学 2015-05-28 S. G. Parsons , T. R. Marsh , B. T. Gänsicke , A. J. Drake , D. Koester