Reading the Resonant Signatures of Planets in Debris Disks
Marc KuchnerCfA
Zodiacal LightClementine 1994
RadiationPressure
10 yrP-R Drag
10 yr6
Sun LeadingTrailing
COBE DIRBE 12 microns
A Ring Around The Sun
planet
dustP
P
duste
Vegaarcsec
arcsec
IRAM Plateau de Bure 1.3 mm
100 AU
Quillen & Thorndike 2002
EridaniSean Moran
Planet at a=3.4 AU
• n:1 resonance blobs
• limb brightening
from disk’s 25°
inclination
Eridani models observed
IRAM PdBI 1.3mm
SMA 365µm
Fomalhaut 450 mHolland & Greaves
& Zuckerman!
a
e
3:1
4:1
2:1
Terrestrial Planet Finder /Darwin ?
20 m
Keck
Interferometer
>800 K, <20 pc
Roasters (<0.5 AU)or
Young (<1Gyr)
Hot Jupiters
Terrestrial Planet Finder /Darwin ?
100 AU
III + IV?IVnearly edge-on
III?
edge-on
Thommes, Duncan & Levison 2002
Scattering and Circularization
Neptune?
Uranus?
Saturn?
Jupiter?
Aphelion
Perihelion
