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Spectral Energy Distributions of T Tauri Stars with Passive Circumstellar Disks
- E. Chiang, P. Goldreich
- Physics
- 4 June 1997
We derive hydrostatic, radiative equilibrium models for passive disks surrounding T Tauri stars. Each disk is encased by an optically thin layer of superheated dust grains. This layer reemits…
ATMOSPHERIC ESCAPE FROM HOT JUPITERS
- R. Murray-Clay, E. Chiang, N. Murray
- Physics, Geology
- 3 November 2008
Photoionization heating from ultraviolet (UV) radiation incidents on the atmospheres of hot Jupiters may drive planetary mass loss. Observations of stellar Lyman-α (Lyα) absorption have suggested…
Optical Images of an Exosolar Planet 25 Light-Years from Earth
TLDR
The minimum-mass extrasolar nebula: in situ formation of close-in super-Earths
- E. Chiang, G. Laughlin
- Geology, Physics
- 7 November 2012
Close-in super-Earths, with radii R = 2-5 R_Earth and orbital periods P < 100 days, orbit more than half, and perhaps nearly all Sun-like stars in the universe. We use this omnipresent population to…
FOMALHAUT'S DEBRIS DISK AND PLANET: CONSTRAINING THE MASS OF FOMALHAUT B FROM DISK MORPHOLOGY
- E. Chiang, E. Kite, P. Kalas, J. Graham, M. Clampin
- Geology, Physics
- 13 November 2008
Following the optical imaging of exoplanet candidate Fomalhaut b (Fom b), we present a numerical model of how Fomalhaut's debris disk is gravitationally shaped by a single interior planet. The model…
Dust Dynamics, Surface Brightness Profiles, and Thermal Spectra of Debris Disks: The Case of AU Microscopii
- L. Strubbe, E. Chiang
- Physics, Geology
- 18 October 2005
AU Microscopii is a 12 Myr old M dwarf that harbors an optically thin, edge-on disk of dust. The scattered light surface brightness falls with projected distance b from the star as b-α; within b = 43…
The Deep Ecliptic Survey: A Search for Kuiper Belt Objects and Centaurs. II. Dynamical Classification, the Kuiper Belt Plane, and the Core Population
The Deep Ecliptic Survey (DES)—a search optimized for the discovery of Kuiper belt objects (KBOs) with the Blanco and Mayall 4 m telescopes at the Cerro Tololo Inter-American Observatory and Kitt…
Forming Planetesimals in Solar and Extrasolar Nebulae
Planets are built from planetesimals: solids larger than a kilometer that grow by colliding in pairs. Planetesimals themselves are unlikely to form by twobody collisions alone; subkilometer objects…
High albedos of low inclination Classical Kuiper belt objects
- M. Brucker, W. Grundy, M. Buie
- Physics, Geology
- 22 December 2008
SURFACE LAYER ACCRETION IN CONVENTIONAL AND TRANSITIONAL DISKS DRIVEN BY FAR-ULTRAVIOLET IONIZATION
- D. Perez-Becker, E. Chiang
- Physics
- 12 April 2011
Whether protoplanetary disks accrete at observationally significant rates by the magnetorotational instability (MRI) depends on how well ionized they are. Disk surface layers ionized by stellar…
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