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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…
Direct evidence of multiple reservoirs of volatile nitrogen in a protosolar nebula analogue
Pierre Hily-Blant, Victor Magalhães, Joel Kastner +3
Isotopic ratios are keys to understanding the origin and early evolution of the solar system in the context of Galactic nucleosynthesis. The large range of measured N/$^{15}…
H2CO distribution and formation in the TW Hya disk
Karin I. Oberg, Viviana V. Guzman, Christopher J. Merchantz +8
H2CO is one of the most readily detected organic molecules in protoplanetary disks. Yet its distribution and dominant formation pathway(s) remain largely unconstrained. To address…
Nitrogen Fractionation in Protoplanetary Disks from the H13CN/HC15N Ratio
V. V. Guzmán, K. I. Öberg, J. Huang +2
Nitrogen fractionation is commonly used to assess the thermal history of Solar System volatiles. With ALMA it is for the first time possible to directly measure 14N/15N ratios in c…