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Kinks and Dents in Protoplanetary Disks: Rapid Infrared Variability as Evidence for Large Structural Perturbations
Kevin Flaherty, james Muzerolle, George Rieke +4
We report on synoptic observations at 3.6 and 4.5micron of young stellar objects in IC 348 with 38 epochs covering 40 days. We find that among the detected cluster members, 338 at…
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 Spitzer Space Telescope Survey of the Orion A & B Molecular Clouds - Part I: A Census of Dusty Young Stellar Objects and a Study of their Mid-IR Variability
S. T. Megeath, R. Gutermuth, J. Muzerolle +10
We present a survey of the Orion A and B molecular clouds undertaken with the IRAC and MIPS instruments onboard Spitzer. In total, five distinct fields were mapped covering 9 sq. d…
Luminosity Functions of Spitzer Identified Protostars in Nine Nearby Molecular Clouds
E. Kryukova, S. T. Megeath, R. A. Gutermuth +5
We identify protostars in Spitzer surveys of nine star-forming molecular clouds within 1 kpc: Serpens, Perseus, Ophiuchus, Chamaeleon, Lupus, Taurus, Orion, Cep OB3, and Mon R2, wh…
Spitzer Imaging of the Nearby Rich Young Cluster, Cep OB3b
Thomas S. Allen, Robert A. Gutermuth, Erin Kryukova +7
We map the full extent of a rich massive young cluster in the Cep OB3b association with the IRAC and MIPS instruments aboard the {\it Spitzer} Space Telescope and the ACIS instrume…
Infrared Variability of Evolved Protoplanetary Disks: Evidence for Scale Height Variations in the Inner Disk
Kevin Flaherty, James Muzerolle, George Rieke +5
We present the results of a multi-wavelength multi-epoch survey of five evolved protoplanetary disks in the IC 348 cluster that show significant infrared variability. Using 3-8micr…