Results 41 to 50 of about 3,291 (142)

Kepler-16b: safe in a resonance cell

, 2013
The planet Kepler-16b is known to follow a circumbinary orbit around a system of two main-sequence stars. We construct stability diagrams in the "pericentric distance - eccentricity" plane, which show that Kepler-16b is in a hazardous vicinity to the ...
Chirikov, Chirikov, Deller, Elena A. Popova, Gladman, Hairer, Holman, Ivan I. Shevchenko, Melnikov, Meschiari, Morbidelli, Moriwaki, Mudryk, Murray, Orosz, Paardekooper, Popova, Shevchenko, von Bremen   +18 more
core   +1 more source

Orbital dynamics of two circumbinary planets around misaligned eccentric binaries [PDF]

, 2021
Cheng Chen, Stephen H. Lubow, Rebecca G. Martin   +2 more
openalex   +1 more source

FAUST

Astronomy & Astrophysics
Young binary stars with discs provide unique laboratories for studying the earliest stages of planet formation in star-forming environments. The detection of substructure in discs around Class I protostars challenges current models of disc evolution, and
Cuello N., Bianchi E., Ménard F., Loinard L., Hernández Garnica R., Durán A., Ceccarelli C., Maureira M. J., Chandler C. J., Codella C., Sakai N., Podio L., Sabatini G., Chahine L., de Simone M., Fedele D., Johnstone D., Hanawa T., Jiménez-Serra I., Yamamoto S.   +19 more
doaj   +3 more sources

Empirical Stability Criteria for 3D Hierarchical Triple Systems. I. Circumbinary Planets

The Astronomical Journal
In this work we revisit the problem of the dynamical stability of hierarchical triple systems with applications to circumbinary planetary orbits. We derive critical semimajor axes based on simulating and analyzing the dynamical behavior of 3 × 10 ^8 ...
Nikolaos Georgakarakos, Siegfried Eggl, Mohamad Ali-Dib, Ian Dobbs-Dixon   +3 more
doaj   +1 more source

A new approach for probing circumbinary disks

, 2009
Circumbinary disks are considered to exist in a wide variety of astrophysical objects, e.g., young binary stars, protoplanetary systems, and massive binary black hole systems in active galactic nuclei (AGNs).
Atsuo T. Okazaki, Bate, Bogdanović, Dotti, Duquennoy, Dutrey, Duvert, Ferrarese, Gebhardt, Goldreich, Hayasaki, Hayasaki, Hayasaki, Kato, Kimitake Hayasaki, MacFadyen, Magorrian, Murray, Osaki, Vogt   +19 more
core   +1 more source

The Influence of Tight Binaries on Protoplanetary Disk Masses

The Astronomical Journal
Binary systems are a common site of planet formation, despite the destructive effects of the binary on the disk. While surveys of planet-forming material have found diminished disk masses around binaries with medium separation (∼10–100 au), less is known
Kevin Flaherty, Peter Knowlton, Tasan Smith-Gandy, A. Meredith Hughes, Marina Kounkel, Eric Jensen, James Muzerolle, Kevin Covey   +7 more
doaj   +1 more source

On the frequency of planetary systems around G-dwarfs

, 2013
We determine the fraction of G-dwarf stars that could host stable planetary systems based on the observed properties of binaries in the Galactic field, and in various postulated primordial binary populations, which assume that the primordial binary ...
Parker, Richard J., Quanz, Sascha P.
core   +1 more source

Searching for Small Circumbinary Planets. I. The STANLEY Automated Algorithm and No New Planets in Existing Systems [PDF]

, 2021
David V. Martin, Daniel C. Fabrycky
openalex   +1 more source

Investigating the System Configuration of Kepler-451 through Orbital Period Variations: Dynamical and Magnetic Interpretations

The Astrophysical Journal
We present an analysis of eclipse timing variations in Kepler-451 using data spanning 2004–2024 from both ground- and space-based observations. Using two data sets, Data Set A (DS-A) and Data Set B (DS-B), we constructed updated O–C diagrams. By modeling
Huseyin Er, Aykut Ozdonmez, M. Emir Kenger, B. Batuhan Gurbulak, Ilham Nasiroglu, Murat Tekkesinoglu, Ergun Ege, Nazli Karaman   +7 more
doaj   +1 more source

On the Orbital Evolution of Binaries with Polar Circumbinary Disks

The Astrophysical Journal Letters
Binaries occur in many astrophysical systems, from young protostellar binaries in star-forming regions to supermassive black hole binaries in galaxy centers.
Cheng Chen, Philip J. Armitage, C. J. Nixon   +2 more
doaj   +1 more source