Results 51 to 60 of about 3,153 (136)
Advances in Astronomy, Volume 2014, Issue 1, 2014., 2014 The perturbation caused by planet‐moon binarity on the time‐of‐arrival (TOA) signal of a pulsar with an orbiting planet is derived for the case of the orbit of the planet‐moon system inclined of an angle α with respect to the plane of the orbit of the planet‐moon barycenter around the pulsar.
Antonio Pasqua +2 more
wiley +1 more source
The Role of Gravitational Instabilities in the Feeding of Supermassive Black Holes
Advances in Astronomy, Volume 2012, Issue 1, 2012., 2012 I review the recent progresses that have been obtained, especially through the use of high‐resolution numerical simulations, on the dynamics of self‐gravitating accretion discs. A coherent picture is emerging, where the disc dynamics is controlled by a small number of parameters that determine whether the disc is stable or unstable, whether the ...
Giuseppe Lodato, Francesco Shankar
wiley +1 more source
Habitable Zone Boundaries for Circumbinary Planets [PDF]
Publications of the Astronomical Society of the Pacific, 2019 Accepted to PASP, 10 ...
Stephen R. Kane +10 more
openaire +3 more sources
A Circumbinary Planet in Orbit Around the Short-Period White-Dwarf Eclipsing Binary RR Cae [PDF]
, 2012 By using six new determined mid-eclipse times together with those collected from the literature, we found that the Observed-Calculated (O-C) curve of RR Cae shows a cyclic change with a period of 11.9 years and an amplitude of 14.3s, while it undergoes ...
Almeida +30 more
core +3 more sources
Massive Black Hole Binaries: Dynamical Evolution and Observational Signatures
Advances in Astronomy, Volume 2012, Issue 1, 2012., 2012 The study of the dynamical evolution of massive black hole pairs in mergers is crucial in the context of a hierarchical galaxy formation scenario. The timescales for the formation and the coalescence of black hole binaries are still poorly constrained, resulting in large uncertainties in the expected rate of massive black hole binaries detectable in ...
M. Dotti +3 more
wiley +1 more source
Planets in Binaries: Formation and Dynamical Evolution
Galaxies, 2019 Binary systems are very common among field stars, yet the vast majority of known exoplanets have been detected around single stars. While this relatively small number of planets in binaries is probably partly due to strong observational biases, there is,
Francesco Marzari, Philippe Thebault
doaj +1 more source
The Way to Circumbinary Planets
, 2018 Circumbinary planets (CBPs) are planets that orbit around both stars of a binary system. This chapter traces the history of research on CBPs and provides an overview over the current knowledge about CBPs and their detection methods. After early speculations about CBPs, inspired by binary star systems and popularized by fictional works, their scientific
Hans J. Deeg, Laurance R. Doyle
openaire +3 more sources
Recent Kepler Results On Circumbinary Planets [PDF]
Proceedings of the International Astronomical Union, 2012 AbstractRanked near the top of the long list of exciting discoveries made with NASA's Kepler photometer is the detection of transiting circumbinary planets. In just over a year the number of such planets went from zero to seven, including a multi-planet system with one of the planets in the habitable zone (Kepler-47).
Daniel C. Fabrycky +3 more
openaire +3 more sources
Climate variations on Earth-like circumbinary planets [PDF]
Nature Communications, 2017 AbstractThe discovery of planets orbiting double stars at close distances has sparked increasing scientific interest in determining whether Earth-analogues can remain habitable in such environments and how their atmospheric dynamics is influenced by the rapidly changing insolation.
Siegfried Eggl, Max Popp, Max Popp
openaire +7 more sources
Planet migration in massive circumbinary discs
Monthly Notices of the Royal Astronomical Society, 2023 ABSTRACT Most stars are in multiple systems, with the majority of those being binaries. A large number of planets have been confirmed in binary stars and, therefore, it is important to understand their formation and dynamical evolution. We perform simulations to investigate the migration of wide-orbit giant planets (semimajor axis 100 au)
Matthew Teasdale, Dimitris Stamatellos
openaire +2 more sources