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Evidence for a Photoevaporated Circumbinary Disk in Orion
M. Robberto, L. Ricci, N. Da Rio +1
We have found a photoevaporated disk in the Orion Nebula that includes a wide binary. HST/ACS observations of the proplyd 124-132 show two point-like sources separated by 0".15, or…
The HST/ACS Atlas of Protoplanetary Disks in the Great Orion Nebula
Luca Ricci, Massimo Robberto, David R. Soderblom
We present the atlas of protoplanetary disks in the Orion Nebula based on the ACS/WFC images obtained for the HST Treasury Program on the Orion Nebula Cluster. The observations hav…
X-ray properties of protostars in the Orion Nebula
L. Prisinzano, G. Micela, E. Flaccomio +8
The origin and evolution of the X-rays in very young stellar objects (YSOs) are not yet well understood since it is very hard to observe YSOs in the protostellar phase. We study th…
The enigma of GCIRS 3 - Constraining the properties of the mid-infrared reference star of the central parsec of the Milky Way with optical long baseline interferometry
J. -U. Pott, A. Eckart, A. Glindemann +3
GCIRS3 is the most prominent MIR source in the central pc of the Galaxy. NIR spectroscopy failed to solve the enigma of its nature. The properties of extreme individual objects of…
Large Scale Flows from Orion-South
W. J. Henney, C. R. O'Dell, Luis A. Zapata +3
Multiple optical outflows are known to exist in the vicinity of the active star formation region called Orion-South (Orion-S). We have mapped the velocity of low ionization feature…
Mid-IR Observations of T Tauri stars: Probing the Star-Disk Connection in Rotational Evolution
Praveen Kundurthy, Michael R. Meyer, Massimo Robberto +2
We present mid-IR N-band $(λ_{eff} = 10.2\micron)$ photometry of a carefully selected sample of T Tauri stars thought to be single from the Taurus-Auriga molecular cloud. Infrared…