Results 1 to 10 of about 159,543 (291)

Asteroseismology of close binary stars [PDF]

Proceedings of the International Astronomical Union, 2007
In this review paper, we summarise the goals of asteroseismic studies of close binary stars. We first briefly recall the basic principles of asteroseismology, and highlight how the binarity of a star can be an asset, but also a complication, for the ...
Aerts, Asplund, Ausseloos, Briquet, Bruntt, Claret, Conny Aerts, De, De, De, De, Fontaine, Gamarova, Goosens, Kurtz, Lampens, Miglio, Mkrtichian, Pamyatnykh, Pigulski, Reed, Schrijvers, Telting, Unno, Willems, Zima   +25 more
core   +7 more sources

Quantitative spectroscopy of close binary stars [PDF]

Proceedings of the International Astronomical Union, 2011
The method of spectral disentangling has now created the opportunity for studying the chemical composition in previously inaccessible components of binary and multiple stars.
Brogaard, Clausen, Clausen, Cugier, De Mink, Grundahl, Hadrava, Hadrava, Hadrava, Hareter, Hensberge, Hensberge, Hensberge, J. Southworth, K. Pavlovski, Linder, Lyubimkov, Mahy, Meynet, Mkrtichian, North, Pavlovski, Pavlovski, Pavlovski, Pavlovski, Sarna, Simon, Southworth, Southworth, Tamajo, Tkachenko, Tomkin, Torres, Torres, Wheelwright, Yakut   +35 more
core   +4 more sources

Radial Velocity Studies of Close Binary Stars. XI [PDF]

The Astronomical Journal, 2006
Radial-velocity measurements and sine-curve fits to the orbital radial velocity variations are presented for ten close binary systems: DU Boo, ET Boo, TX Cnc, V1073 Cyg, HL Dra, AK Her, VW LMi, V566 Oph, TV UMi and AG Vir.
Ahn Y. S., Awadalla N., Bell S. A., Blake M., Blanco C., Dumitrescu A., Dumitrescu A., Fitzgerald P., George Conidis, Gomez-Forrellad J. M., Guthnick P., Haffner H., Heard J. F., Heide DeBond, Hill G., Hill G., Hoffmeister C., Hog E., J. R. Thomson, Kreiner J. M., Lucy L. B., McLean B. J., McLean B. J., Mermilliod J. C., Michal Siwak, Mochnacki S. W., Mochnacki S. W., Pribulla T., R. M. Blake, Roser S., Sanford R. F., Sezer C., Slavek M. Rucinski, Stefan W. Mochnacki, Theodor Pribulla, Twigg L. W., van Leeuwen F., Waldemar Ogłoza, Wenxian Lu, Wojtek Pych   +39 more
core   +11 more sources

Terrestrial Planet Formation Surrounding Close Binary Stars [PDF]

Icarus, 2006
Disk material has been observed around both components of some young close binary star systems. It has been shown that if planets form at the right places within such disks, they can remain dynamically stable for very long times.
Lissauer, Jack J., Quintana, Elisa V.
core   +5 more sources

Disks in close binary stars [PDF]

Astronomy & Astrophysics, 2021
Context. Close binaries (abin ≤ 20 au) are known to harbor planets, yet planet formation is unlikely to succeed in such systems. Studying the dynamics of disks in close binaries can help to understand how those planets could have formed. Aims. We study the impact that numerical and physical parameters have on the dynamics of disks in close binaries. We
Jordan L. M., Kley W., Picogna G., Marzari F.   +3 more
openaire   +2 more sources

V1507 CYGNI (HD187399): A Highly Evolved, Enigmatic Interacting Binary System with an Eccentric Orbit

The Astronomical Journal, 2023
The properties of the interacting, eccentric orbit binary V1507 Cyg (HD187399) are examined with spectra that cover wavelengths from 0.63–0.68 μ m. The spectrum of the brightest star is similar to that of the B8 I star β Ori, although with absorption ...
T. J. Davidge
doaj   +1 more source

NY Bootes: An Active Deep and Low-mass-ratio Contact Binary with a Cool Companion in a Hierarchical Triple System

The Astrophysical Journal, 2023
The first detailed photometric and spectroscopic study of G-type short-period binary NY Boo is presented. The radial velocity curve was obtained by the cross-correlation function (CCF) method based on LAMOST and SDSS spectra, which derived its mass ratio
Fangbin Meng, Liying Zhu, Shengbang Qian, Nianping Liu, Linjia Li, Azizbek Matekov   +5 more
doaj   +1 more source

Binary Central Stars of Planetary Nebulae Discovered Through Photometric Variability. III. The Central Star of Abell 65 [PDF]

, 2015
A growing number of close binary stars are being discovered among central stars of planetary nebulae. Recent and ongoing surveys are finding new systems and contributing to our knowledge of the evolution of close binary systems.
Frew, David J, Hillwig, Todd, Louie, Melissa, Marco, Orsola De, Schaub, Sam   +4 more
core   +9 more sources

Detecting New Visual Binaries in Gaia DR3 with Gaia and Two Micron All Sky Survey (2MASS) Photometry. I. New Candidate Binaries within 200 pc of the Sun

The Astronomical Journal, 2023
We present a method to identify likely visual binaries in Gaia eDR3 that does not rely on parallax or proper motion. This method utilizes the various point-spread function sizes of Two Micron All Sky Survey (2MASS)/Gaia, where at
Ilija Medan, Sébastien Lépine
doaj   +1 more source

The evolution of massive binary systems [PDF]

Serbian Astronomical Journal, 2020
The evolution of massive stars in close binary systems is significantly different from single star evolution due to a series of interactions between the two stellar components.
Petrović Jelena
doaj   +1 more source