The total number of giant planets in debris discs with central clearings

@article{Faber2007TheTN,
  title={The total number of giant planets in debris discs with central clearings},
  author={Peter R. Faber and Alice C. Quillen},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2007},
  volume={382},
  pages={1823-1828}
}
Infrared spectra from the Spitzer Space Telescope (SSC) of many debris discs are well fit with a single blackbody temperature which suggest clearings within the disc. We assume that clearings are caused by orbital instability in multiple planet systems with similar configurations to our own. These planets remove dust-generating planetesimal belts as well as dust generated by the outer disc that is scattered or drifts into the clearing. From numerical integrations, we estimate a minimum planet… 

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References

SHOWING 1-10 OF 31 REFERENCES

Signatures of the Giant Planets Imprinted on the Edgeworth-Kuiper Belt Dust Disk

One method to detect extrasolar planetary systems is to deduce the perturbations of planets on the observed circumstellar dust disks. Our solar system, with its known configuration of planets,

A planetary system as the origin of structure in Fomalhaut's dust belt

The sharp inner edge and offset demonstrate the presence of planetary-mass objects orbiting Fomalhaut, demonstrating the structure of a dusty disk modified by the gravitational influence of planets.

Predictions for a planet just inside Fomalhaut's eccentric ring

We propose that the eccentricity and sharpness of the edge of Fomalhaut’s disk are due to a planet just interior to the ring edge. The collision timescale consistent with the disk opacity is long

Planets and Infrared Excesses: Preliminary Results from a Spitzer MIPS Survey of Solar-Type Stars

As part of a large Spitzer MIPS Guaranteed Time Observation program, we have searched for infrared excesses due to debris disks toward 26 FGK field stars known from radial velocity (RV) studies to

Planet–planet scattering in the upsilon Andromedae system

It is reported that the current orbital configuration of the three giant planets around upsilon Andromedae (υ And) probably results from a close dynamical interaction with another planet, now lost from the system, and shown that υ And c periodically returns to a very nearly circular state every 6,700 years.

New Debris Disks around Nearby Main-Sequence Stars: Impact on the Direct Detection of Planets

Using the MIPS instrument on Spitzer, we have searched for infrared excesses around a sample of 82 stars, mostly F, G, and K main-sequence field stars, along with a small number of nearby M stars.

The Stability of Multi-Planet Systems

A system of two small planets orbiting the Sun on low-eccentricity, low-inclination orbits is stable with respect to close encounters if the initial semi-major axis difference, Δ, measured in mutual

Stability of Minor-Body Orbits in Systems with Two Giant Planets

We have performed a large ensemble of long-term numerical integrations to study the stability of the orbits of minor bodies in systems containing a solar-mass star and two giant planets. Given the

Frequency of Debris Disks around Solar-Type Stars: First Results from a Spitzer MIPS Survey

We have searched for infrared excesses around a well-defined sample of 69 FGK main-sequence field stars. These stars were selected without regard to their age, metallicity, or any previous detection

Dusty Debris Disks as Signposts of Planets: Implications for Spitzer Space Telescope

Submillimeter and near-infrared images of cool dusty debris disks and rings suggest the existence of unseen planets. At dusty but nonimaged stars, semimajor axes of associated planets can be