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Explosive Molecular Outflows
Luis A. Zapata
About fifteen years ago a new type of extreme (with kinetic energies of ) molecular outflows associated with very luminous ($\geq 10^5\…
Radio Proper Motions of the Nearby Ultra-cool dwarf binary VHS 12561257AB
Luis F. Rodriguez, Sergio A. Dzib, Luis A. Zapata +1
The proper motions of a source obtained at different epochs or in different spectral regions should in principle be consistent. However, in the case of a binary source or a source…
A disk-wind driving the rotating molecular outflow in CB 26
J. A. López-Vázquez, Luis A. Zapata, Chin-Fei Lee
We present 12CO (J=2-1) sensitive molecular line and 1.3 mm continuum observations made with the Submillimeter Array (SMA) of the bipolar outflow associated with the young star loc…
Modeling the CO outflow in DG Tau B: Swept-up shells versus perturbed MHD disk wind
A. de Valon, C. Dougados, S. Cabrit +3
The origin of outflows and their exact impact on disk evolution and planet formation remain crucial open questions. DG Tau B is a Class I protostar associated with a rotating conic…
The Physical Properties of the SVS 13 Protobinary System: Two Circumstellar Disks and a Spiraling Circumbinary Disk in the Making
Ana K. Diaz-Rodriguez, Guillem Anglada, Guillermo Blázquez-Calero +13
We present VLA and ALMA observations of the close (0.3" = 90 au separation) protobinary system SVS 13. We detect two small circumstellar disks (radii 12 and 9 au in dus…
Numerical simulations of the 1840s great eruption of Carinae: I. Revisiting the explosion scenario
R. F. González, Luis A. Zapata, A. C. Raga +3
In this work, we present new two-dimensional hydrodynamical simulations of the major eruption of Car in the 1840s, which resulted in the formation of a bipolar nebula that is c…