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pro vyhledávání: '"Hill sphere"'
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Autor:
Lukas R Stone, Nathan A. Kaib
Publikováno v:
Monthly Notices of the Royal Astronomical Society: Letters. 505:L31-L35
The non-resonant Kuiper belt objects (KBOs) between the 3:2 and 2:1 Neptunian mean motion resonances can be largely divided between a cold classical belt (CCB) and a hot classical belt (HCB). A notable difference between these two subpopulations is t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::86f0f7b2a661d2c8f8b3178405e8bb39
https://doi.org/10.1093/mnrasl/slab044
https://doi.org/10.1093/mnrasl/slab044
Publikováno v:
Bulletin of Engineering Geology and the Environment. 80:5167-5179
Irregular topography can induce scattering and diffraction of incident seismic waves and cause topographic amplification effects. In this paper, a theoretical model for the scattering and diffraction of cylindrical SH waves caused by a semi-circular
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7990397e2270cc5b26500bf69ccc50ce
https://doi.org/10.1007/s10064-021-02232-3
https://doi.org/10.1007/s10064-021-02232-3
Publikováno v:
Journal of the Astronautical Sciences, 68(1)
We develop a Gravity Assist Mapping to quantify the effects of a flyby in a two-dimensional circular restricted three-body situation based on Gaussian Process Regression (GPR). This work is inspired by the Keplerian Map and Flyby Map. The flyby is al
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f78e10d9e707070c72a8ff3da1f151d4
https://doi.org/10.1007/s40295-021-00246-3
https://doi.org/10.1007/s40295-021-00246-3
Publikováno v:
Mechanics of Solids. 55:999-1012
In this paper, we consider the plane restricted four-body problem taking into account the light pressure forces when the Earth’s orbit is a Keplerian ellipse with a focus at the Sun, the Moon’s orbit is a Keplerian ellipse with a focus at the Ear
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4526694c3439349a1431e1d9367c6f3e
https://doi.org/10.3103/s0025654420070092
https://doi.org/10.3103/s0025654420070092
Publikováno v:
Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, 2020, 496 (4), pp.4287-429. ⟨10.1093/mnras/staa1520⟩
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2020, 496 (4), pp.4287-429. ⟨10.1093/mnras/staa1520⟩
Monthly Notices of the Royal Astronomical Society, 2020, 496 (4), pp.4287-429. ⟨10.1093/mnras/staa1520⟩
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2020, 496 (4), pp.4287-429. ⟨10.1093/mnras/staa1520⟩
We revisit the concept of sphere of gravitational activity, to which we give both a geometrical and physical meaning. This study aims to refine this concept in a much broader context that could, for instance, be applied to exo-planetary problems (in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f077c48b6658540a6b9a214d81fdee9
https://doi.org/10.1093/mnras/staa1520
https://doi.org/10.1093/mnras/staa1520
Publikováno v:
Monthly Notices of the Royal Astronomical Society. 494:2440-2448
Super-Earths are by far the most dominant type of exoplanet, yet their formation is still not well understood. In particular, planet formation models predict that many of them should have accreted enough gas to become gas giants. Here we examine the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e594e4612ec2939f37f30bdc5447d043
https://doi.org/10.1093/mnras/staa914
https://doi.org/10.1093/mnras/staa914
Synchronous satellites of Venus have long been thought unstable, but we use Poincare's surface of section technique to show that synchronous quasi-satellites orbiting just outside Venus' Hill sphere are quite stable, at least for centuries. Such sync
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3788a23c3adcaca04e6b060952b7f1c6
http://arxiv.org/abs/2112.06313
http://arxiv.org/abs/2112.06313
Autor:
Myriam Benisty, Laura M. Pérez, François Ménard, Anibal Sierra, John M. Carpenter, Paola Pinilla, Ian Czekala, Sean M. Andrews, Thomas Henning, Stefano Facchini, Miriam Keppler, Richard Teague, Jaehan Bae, Alice Zurlo, Andrea Isella, Carsten Dominik, Nicolás T. Kurtovic
Publikováno v:
Astrophysical Journal Letters, 916(1):L2. IOP Publishing Ltd.
PDS70 is a unique system in which two protoplanets, PDS70b and c, have been discovered within the dust-depleted cavity of their disk, at $\sim$22 and 34au respectively, by direct imaging at infrared wavelengths. Subsequent detection of the planets in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d1e88663f1cebfa03ed3e83a8f147c0a
http://arxiv.org/abs/2108.07123
http://arxiv.org/abs/2108.07123
Autor:
Yonadav Barry Ginat, Hagai B. Perets
Binary evolution is influenced by dynamical scattering with other stars in dense environments. Heggie's law states that, due to their environments, hard binaries (whose orbital energy surpasses the typical energy of single stars) tend to harden (incr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7cc869649e0d2b1f697e2fff1684e305
http://arxiv.org/abs/2108.01085
http://arxiv.org/abs/2108.01085