[PDF] Top 20 The fate of exomoons in white dwarf planetary systems
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The fate of exomoons in white dwarf planetary systems
... the white dwarf phase. The stellar mass-loss causes the planetary semimajor axes to expand, and can trigger late ...the white dwarf ...ten-planet systems, as well as planets with ... See full document
9
Liberating exomoons in white dwarf planetary systems
... that exomoons liberated during planet–planet scatterings will typically be at large distances from the WD, and their subsequent fate will presumably entail repeated chaotic scat- terings (as they are on ... See full document
16
Mass and eccentricity constraints on the planetary debris orbiting the white dwarf WD 1145+017
... all white dwarfs (Zuckerman et ...evolved planetary systems can scat- ter planetary bodies near the Roche radii of the white dwarfs (Debes & Sigurdsson 2002; Frewen & Hansen ... See full document
9
Full lifetime simulations of multiple unequal mass planets across all phases of stellar evolution
... (‘early white dwarf’ that corre- sponds to stars that have become WDs within the last 100 Myr), and LWD (‘late white dwarf’ stars which became WDs over 100 Myr ...such systems are ... See full document
27
Survivability of radio loud planetary cores orbiting white dwarfs
... other planetary systems where a unipolar in- ductor circuit has been established between a star and a solid planet that can both be characterised with Maxwell rheolo- ...characterise planetary ... See full document
13
The orbital period of V458 Vulpeculae, a post double common envelope nova
... other systems have been claimed as Type Ia su- pernova ...subdwarf-B+white dwarf binary KPD 1930+2752 is among the best candidates, but its to- tal mass is very close to the critical mass (Maxted et ... See full document
7
Doppler imaging of the planetary debris disc at the white dwarf SDSS J122859 93+104032 9
... The origin of these seven gaseous discs is still unclear. Several scenarios have been proposed, including runaway feedback between sublimation and the ensuing gas drag on the dust, leading to a rapid increase in the ... See full document
14
Another one grinds the dust : variability of the planetary debris disc at the white dwarf SDSS J104341 53+085558 2
... three systems, regular spectroscopic monitoring of all gas discs is necessary to develop a more detailed understanding of the dynamical processes present in planetary debris discs around white ... See full document
10
Carbon to oxygen ratios in extrasolar planetesimals
... of planetary compositions and ...extrasolar planetary systems is the analysis of planetary debris accreting onto white dwarfs, analogous to abundance studies of ...ten white ... See full document
7
Observations of remnant planetary systems at white dwarfs
... Table 3.3 reports the average accretion fluxes of Mg and Ca, and an upper limit for Si, obtained from the analysis our WHT, X-Shooter and UVES spectra (the quality of the SDSS spectra is too low, and the Gemini and FORS ... See full document
146
White dwarf planets
... of planetary systems: the effects of tides and stellar mass loss on single planets within a few AU of their host AGB stars, and the effects of three-body dynamics and stellar mass loss on systems of ... See full document
6
Linking long term planetary N body simulations with periodic orbits : application to white dwarf pollution
... A periodic orbit coincides with a fixed or periodic point on a Poincar´ e surface of section. This fixed point can be represented by a given set Q(0). This representation is the crucial link to initial conditions that ... See full document
15
The critical binary star separation for a planetary system origin of white dwarf pollution
... binary systems to generate pollution, although the lines are blurred depending on the definition of planet and the phase during which the planet ...of planetary influence are how they are formed, and ... See full document
12
A planetesimal orbiting within the debris disc around a white dwarf star
... as white dwarfs. Theoretical models indicate that planetary systems, including the Solar System, can survive the evolution of their host star largely intact ...of planetary systems have ... See full document
61
Unstable low mass planetary systems as drivers of white dwarf pollution
... the systems of super-Earths must be separated by ∼ 6 − 10 mutual Hill radii to favour stability on the Main Sequence followed by instability after the star becomes a WD (Table 1 and Figure ...close-in ... See full document
18
EUV, X-ray and optical studies of white dwarf binary systems
... a planetary nebula (PN) when it is photoionised by radiation from the heating pre-white dwarf star (>30 000 K), now called the planetary nebula nucleus ...conventional white ... See full document
249
The white dwarf binary pathways survey – I a sample of FGK stars with white dwarf companions
... two white dwarfs of arbitrarily mass, which would cause a spread in the luminosities of SN Ia, affecting their use as stan- dard ...a white dwarf stably accretes material from a non-degenerate ... See full document
13
An overview of white dwarf stars
... 4. White dwarfs and hot subdwarfs in the spectroscopic HR ...H-atmosphere white dwarf (middle curve), 2) the path followed by a ...He-atmosphere white dwarf (left curve), and 3) the ... See full document
10
The white dwarf initial–final mass relation for progenitor stars from 0 85 to 7 5 M ⊙
... Wide white dwarf main sequence binaries have also been used ( Catalán et ...of white dwarfs have also been used ( El-Badry et ...a white dwarf ’ s atmospheric make-up, which plays an ... See full document
15
Eclipsing white dwarf binaries
... star systems. A small number of these systems are inclined in such a way that, as viewed from Earth, they exhibit ...for white dwarfs has played an important role in estimating the distance to ... See full document
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