Results 171 to 180 of about 337 (198)

On the Relation between Hot Jupiters and the Roche Limit [PDF]

open access: yesAstrophysical Journal, 2006
Many of the known extrasolar planets are ``hot Jupiters,'' giant planets with orbital periods of just a few days. We use the observed distribution of hot Jupiters to constrain the location of the ``inner edge'' and planet migration theory. If we assume the location of the inner edge is proportional to the Roche limit, then we find that this edge is ...
Frédéric A Rasio, Eric B Ford
exaly   +4 more sources
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Roche Limit

2011
Perez Jérôme
exaly   +3 more sources

The Relation of Cohesion to Roche's Limit [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 1947
Jeffreys Harold, H Jeffreys
exaly   +2 more sources

A White Dwarf with Transiting Circumstellar Material Far outside the Roche Limit [PDF]

open access: yesAstrophysical Journal, 2020
Abstract We report the discovery of a white dwarf exhibiting deep, irregularly shaped transits, indicative of circumstellar planetary debris. Using Zwicky Transient Facility DR2 photometry of ZTF J013906.17+524536.89 and follow-up observations from the Las Cumbres Observatory, we identify multiple transit events that recur every ≈107.2 ...
Jj Hermes   +2 more
exaly   +4 more sources

Roche Limit of a Solid Body

open access: yesAstrophysical Journal, 1974
Tidal fission of both impacting and orbiting linear elastic solid bodies based on Kelvin's theory of earth tides is considered. It is shown that there can be more than one mutually exclusive modes of fracture - the particular mode in which a body fractures depending on its size and strength. The analysis gives a vivid picture of the propagation of the
H. R. Aggarwal, V. R. Oberbeck
exaly   +2 more sources

The ‘Roche-Limit’ of ionospheric plasma and the formation of the plasmapause

Planetary and Space Science, 1974
Abstract The plasmapause position is determined by the innermost equipotential surface which is tangent to the ‘Roche-Limit’ surface of the ionospheric plasma filling the magnetosphere. When the thermal particles corotate with the Earth's angular velocity, the ‘Roche-Limit’ equatorial distance is L c =5.78 [ R E ].
exaly   +2 more sources

Roche limit for homogeneous incompressible masses

Astrophysics and Space Science, 1983
The aim of the present investigation has been to establish the minimum distance (commonly referred to as the 'Roche limit'), to which a small satellite can approach its central star without loss of its stability. In order to do so, we shall depart from hydrodynamical equations governing small oscillations of stellar structures, and set out to establish
Kopal, Zdeněk, Song, Guo-Xuan
openaire   +2 more sources

A Simplified Theoretical Treatment and Simulated Experimental Calculation of the Roche Limit

Physics Teacher, 2006
First calculated theoretically in 1850 by French mathematician Eduardo Roche, the Roche limit is the approximate distance from a Jovian planet beyond which moons are found. Within this distance, tidal forces (differential gravitational forces) are stronger than the gravitational binding forces between particles so moons cannot form and instead rings ...
Lopresto Michael C
exaly   +2 more sources

The Roche Limit

Celestial Mechanics and Dynamical Astronomy, 2003
The author gives a short review of historical development of ideas concerned with tidal fracture of a secondary body that can lead to mass loss. The Roche limit indicates the closest distance that a secondary body can approach the primary and remain stable under very idealized conditions.
openaire   +2 more sources

The Roche limit based on vibrational stability

Chinese Astronomy and Astrophysics, 1985
Abstract Starting from the concept of vibrational stability, the Roche limit for a uniform incompressible liquid sphere is derived. It is shown how this method can be generalized to the case where there is a non-uniform matter distribution in the radial direction.
exaly   +2 more sources

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