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Tracing High-Energy Radiation from T Tauri Stars Using Mid-Infrared Neon Emission from Disks
C. Espaillat, L. Ingleby, E. Furlan +8
High-energy radiation from T Tauri stars (TTS) influences the amount and longevity of gas in disks, thereby playing a crucial role in the creation of gas giant planets. Here we pro…
The effect of sublimation temperature dependencies on disk walls around T Tauri stars
Erick Nagel, Paola D'Alessio, Nuria Calvet +2
The dust cannot survive closer to the star from the point where a grain reaches a temperature equal to the sublimation temperature. The boundary between a dust-free and a dusty reg…
Probing dynamical processes in the planet forming region with dust mineralogy
M. K. McClure, P. Manoj, N. Calvet +6
We present Herschel Space Observatory PACS spectra of GQ Lup, a protoplanetary disk in the Lupus star-forming region. Through SED fitting from 0.3μm to 1.3mm, we construct a self-c…
Dust Filtration by Planet-Induced Gap Edges: Implications for Transitional Disks
Zhaohuan Zhu, Richard P. Nelson, Ruobing Dong +2
By carrying out two-dimensional two-fluid global simulations, we have studied the response of dust to gap formation by a single planet in the gaseous component of a protoplanetary…
The Low-mass Stellar Population in L1641: Evidence for Environmental Dependence of the Stellar Initial Mass Function
Wen-Hsin Hsu, Lee Hartmann, Lori Allen +5
We present results from an optical photometric and spectroscopic survey of the young stellar population in L1641, the low-density star-forming region of the Orion A cloud south of…
Mid-infrared variability of the binary system CS Cha
Erick Nagel, Catherine Espaillat, Paola D'Alessio +1
CS Cha is a binary system surrounded by a circumbinary disk. We construct a model for the inner disk regions and compare the resulting synthetic SED with IRS spectra of CS Cha take…