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SMA Observations of Extended Emission in Interacting Galaxy NGC 3627
Charles J. Law, Qizhou Zhang, Luca Ricci +5
We present moderate () and high angular resolution () observations of emission toward nearby, interacting ga…
An SMA Continuum Survey of Circumstellar Disks in the Serpens Star-Forming Region
Charles J. Law, Luca Ricci, Sean M. Andrews +2
We present observations with the Submillimeter Array of the continuum emission at mm from 62 young stars surrounded by a protoplanetary disk in the Serpens star-forming re…
Spiral Density Waves in a Young Protoplanetary Disk
Laura M. Pérez, John M. Carpenter, Sean M. Andrews +20
Gravitational forces are expected to excite spiral density waves in protoplanetary disks, disks of gas and dust orbiting young stars. However, previous observations that showed spi…
A multi-wavelength analysis for interferometric (sub-)mm observations of protoplanetary disks: radial constraints on the dust properties and the disk structure
M. Tazzari, L. Testi, B. Ercolano +20
Theoretical models of grain growth predict dust properties to change as a function of protoplanetary disk radius, mass, age and other physical conditions. We lay down the methodolo…
ALMA Observations of the Largest Proto-Planetary Disk in the Orion Nebula, 114-426: A CO Silhouette
John Bally, Rita K. Mann, Josh Eisner +7
We present ALMA observations of the largest protoplanetary disk in the Orion Nebula, 114-426. Detectable 345 GHz (856 micron) dust continuum is produced only in the 350 AU central…
The effect of local optically thick regions in the long-wave emission of young circumstellar disks
L. Ricci, F. Trotta, L. Testi +3
Multi-wavelength observations of protoplanetary disks in the sub-millimeter continuum have measured spectral indices values which are significantly lower than what is found in the…
Fomalhaut debris disk emission at 7 millimeters: constraints on the collisional models of planetesimals
L. Ricci, L. Testi, S. T. Maddison +1
We present new spatially resolved observations of the dust thermal emission at 7 mm from the Fomalhaut debris disk obtained with the Australia Telescope Compact Array. These observ…
Quantitative Evidence for an Intrinsic Age Spread in the Orion Nebula Cluster
M. Reggiani, M. Robberto, N. Da Rio +3
Aims. We present a study of the distribution of stellar ages in the Orion Nebula Cluster (ONC) based on accurate HST photometry taken from the HST Treasury Program observations of…
The mm-colors of a young binary disk system in the Orion Nebula Cluster
L. Ricci, L. Testi, J. P. Williams +2
We present new EVLA continuum observations at 7 mm of the 253-1536 binary disk system in the Orion Nebula Cluster. The measured fluxes were combined with data in the sub-mm to deri…