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Irregular dust features around intermediate-mass young stars with GPI: signs of youth or misaligned disks?
Anna S. E. Laws, Tim J. Harries, Benjamin R. Setterholm +14
We are undertaking a large survey of over thirty disks using the Gemini Planet Imager (GPI) to see whether the observed dust structures match spectral energy distribution (SED) pre…
A study of accretion and disk diagnostics in the NGC 2264 cluster
Alana P. Sousa, Silvia H. P. Alencar, Luisa M. Rebull +3
Understanding disk dissipation is essential for studying how planets form. Disk gaps and holes, which almost correspond to dust-free regions, are inferred from infrared observation…
Probing CO and N Snow Surfaces in Protoplanetary Disks with NH Emission
Chunhua Qi, Karin I. Öberg, Catherine C. Espaillat +6
Snowlines of major volatiles regulate the gas and solid C/N/O ratios in the planet-forming midplanes of protoplanetary disks. Snow surfaces are the 2D extensions of snowlines in th…
Characterization of Ring Substructures in the Protoplanetary Disk of HD 169142 from Multi-Wavelength ALMA Observations
Enrique Macias, Catherine Espaillat, Mayra Osorio +10
We present a detailed multi-wavelength characterization of the multi-ring disk of HD 169142. We report new ALMA observations at 3 mm and analyze them together with archival 0.89 an…
Revealing the Star-Disk-Jet Connection in GM Aur using Multiwavelength Variability
C. C. Espaillat, E. Macias, J. Hernandez +1
Here we analyze the first simultaneous X-ray, ultraviolet, optical, infrared, and centimeter observations of a T Tauri star (TTS). We present three epochs of simultaneous Spitzer a…
Modeling the Protoplanetary Disks of Two Brown Dwarfs in the Taurus Molecular Cloud
Anneliese M. Rilinger, Catherine C. Espaillat, Enrique Macías
Measuring the properties of protoplanetary disks around brown dwarfs is central to understanding the formation of brown dwarfs and their planetary companions. We present modeling o…