Predictions for a planet just inside Fomalhaut's eccentric ring
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...This upper limit to the mass was also consistent with dynamical theory that showed the inner edge of the dust belt could not reside as close as 18 AU from a planet unless the planet mass is below a few Jupiter masses (Quillen 2006; Chiang et al. 2009)....
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174 citations
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...…young giant planet, a problem originally acknowledged in Kalas et al. (2008) and further demonstrated bySpitzer nondetections (Marengo et al. 2009; Janson et al. 2012), a perturbing planet is required to account for the observed disk asymmetry (Kalas et al. 2005; Quillen 2006; Chiang et al. 2009)....
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173 citations
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...…azimuthal structure (e.g. Greaves et al. 2005) and inner edges (e.g. Boley et al. 2012), which in turn can be used to infer the existence of planets in the system, as was successfully done with β Pic (Mouillet et al. 1997; Lagrange et al. 2010) and Fomalhaut (Kalas et al. 2005; Quillen 2006)....
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171 citations
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...Secondly, we note that, althoughef ≈ 0.1, the material in the Fomalhaut disc appears to have very low proper eccentricities (Quillen 2006; Chiang et al. 2009), as evidenced by the sharpinner edge to the disc....
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References
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"Predictions for a planet just insid..." refers background in this paper
...2 T H E P E R I C E N T R E G L OW M O D E L A N D A N E C C E N T R I C E D G E I N F O M A L H AU T ’ S D I S C We follow the theory for secular perturbations induced by a planet (e.g. Murray & Dermott 1999; Wyatt et al. 1999)....
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...Secular perturbations in the plane can be described in terms of the complex eccentricity variable, z = e exp(i ), where e is the object’s eccentricity and is its longitude of periastron (e.g. Murray & Dermott 1999; Wyatt et al. 1999)....
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...The functions, b js (α), are Laplace coefficients (see Murray & Dermott 1999 for definitions and numerical expressions)....
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...The time variation of z is ż = zforced + zproper(t) (1) where zforced = b23/2(α) b13/2(α) ep exp(i p) (2) (Murray & Dermott 1999; Wyatt et al. 1999)....
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1,601 citations
"Predictions for a planet just insid..." refers background or methods in this paper
...(4) We have recovered the scaling with planet mass predicted by previous works (Goldreich & Tremaine 1980; Franklin et al. 1980; Lissauer & Espresate 1998) but have also included a dependence on distance from the planet....
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...Franklin et al. (1980), Goldreich & Tremaine (1980) and Lissauer & Espresate (1998) showed that spiral density waves were efficiently driven at a Lindblad resonance by a satellite when the collision time-scale was above a critical one, t crit, where t crit ∝ μ−2/3, and μ ≡ m p/M ∗ is the ratio of…...
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488 citations
"Predictions for a planet just insid..." refers background in this paper
...The width of this zone has been measured numerically and predicted theoretically for a planet in a circular orbit by predicting the semi-major axis at which the first-order mean motion resonances overlap (Wisdom 1980; Duncan, Quinn & Tremaine 1989; Murray & Holman 1997; Mudryk & Wu 2006)....
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459 citations
"Predictions for a planet just insid..." refers background in this paper
...1 I N T RO D U C T I O N The nearby star Fomalhaut hosts a ring of circumstellar material (Aumann 1985; Gillett 1985) residing between 120 and 160 au from the star (Holland et al. 1998; Dent et al. 2000; Holland et al. 2003)....
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