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Multi-Epoch VLBA Observations of the Compact Wind-Collision Region in the Quadruple System Cyg OB2 #5
Sergio A. Dzib, Luis F. Rodriguez, Laurent Loinard +3
We present multi--epoch VLBA observations of the compact wind collision region in the Cyg OB2 #5 system. These observation confirm the arc-shaped morphology of the emission reporte…
The Gould's Belt Distances Survey
Laurent Loinard
Very Long Baseline Interferometry (VLBI) observations can provide the position of compact radio sources with an accuracy of order 50 micro-arcseconds. This is sufficient to measure…
Radio and Optical Observations of DG Tau B
Luis F. Rodríguez, Sergio A. Dzib, Laurent Loinard +4
DG Tau B is a Class I young stellar source that drives the asymmetric HH 159 bipolar jet. At optical wavelengths it is obscured by circumstellar optically-thick material. Using VLA…