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Orbital and mass constraints of the young binary system IRAS 16293-2422 A
Maria Jose Maureira, Jaime E. Pineda, Dominique M. Segura-Cox +5
We present 3 mm ALMA continuum and line observations at resolutions of 6.5 au and 13 au respectively, toward the Class 0 system IRAS 16293-2422 A. The continuum observations reveal…
On the nature of the compact sources in IRAS 16293-2422 seen in at centimeter to sub-millimeter wavelengths
Antonio Hernández-Gómez, Laurent Loinard, Claire J. Chandler +10
We present multi-epoch continuum observations of the Class 0 protostellar system IRAS 16293-2422 taken with the Very Large Array (VLA) at multiple wavelengths between 7 mm and 15 c…
SMA line observations of the CHOH-maser outflow in DR21(OH)
Ma. T. Orozco-Aguilera, Antonio Hernández-Gómez, Luis A. Zapata
We present a (sub)millimeter line survey of the methanol maser outflow located in the massive star-forming region DR21(OH) carried out with the Submillimeter Array (SMA) at 217/227…
Modelling the abundance structure of isocyanic acid (HNCO) toward the low-mass solar type protostar IRAS 16293-2422
Antonio Hernández-Gómez, Emna Sahnoun, Emmanuel Caux +5
Isocyanic acid (HNCO), the most stable of the simplest molecules containing the four main elements essential for organic chemistry, has been observed in several astrophysical envir…
ALMA Reveals A Collision Between Protostellar Outflows in BHR71
Luis A. Zapata, Manuel Fernández-López, Luis F. Rodríguez +4
For a binary protostellar outflow system in which its members are located so close to each other (the separation being smaller than the addition of the widths of the flows) and wit…
A revised distance to IRAS 162932422 from VLBA astrometry of associated water masers
S. A. Dzib, G. N. Ortiz-León, A. Hernández-Gómez +6
IRAS 16293-2422 is a very well studied young stellar system seen in projection towards the L1689N cloud in the Ophiuchus complex. However, its distance is still uncertain with a ra…