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G305.136+0.068: A massive and dense cold core in an early stage of evolution
Guido Garay, Diego Mardones, Yanett Contreras +3
We report molecular line observations, made with ASTE and SEST, and dust continuum observations at 0.87 mm, made with APEX, towards the cold dust core G305.136+0.068. The molecular…
Long-lasting dust rings in gas-rich disks: sculpting by single and multiple planets
Farzana Meru, Sascha P. Quanz, Maddalena Reggiani +2
We propose a mechanism by which dust rings in protoplanetary disks can form and be long-lasting compared to gas rings. This involves the existence of a pressure maximum which traps…
Revealing H2D+ depletion and compact structure in starless and protostellar cores with ALMA
R. K. Friesen, J. Di Francesco, T. L. Bourke +4
We present Atacama Large Millimeter/submillimeter Array (ALMA) observations of the submillimeter dust continuum and H2D+ 1_{10}-1_{11} emission toward two evolved, potentially prot…
Resolved images of the protoplanetary disk around HD 100546 with ALMA
Jaime E. Pineda, Sascha P. Quanz, Farzana Meru +4
The disk around the Herbig Ae/Be star HD 100546 has been extensively studied and it is one of the systems for which there are observational indications of ongoing and/or recent pla…
A spider-like outflow in Barnard 5 - IRS 1: The transition from a collimated jet to a wide-angle outflow?
Luis A. Zapata, Hector G. Arce, Erin Brassfield +3
We present line and continuum observations made with the Submillimeter Array (SMA) of the young stellar object Barnard 5 - IRS1 located in the Perseus molecular cloud. Our C…