A Torres
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Observed 9/3/2026
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Observed 9/3/2026
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Observed 8/18/2026
Philadelphia license record
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Observed 8/18/2026
Philadelphia license record
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Observed 8/18/2026
We observed the thirteen extragalactic radio sources of the complete S5 polar cap sample at 15.4 GHz with the Very
We present 5 GHz EVN+MERLIN observations of the nuclear region of the ultra luminous infrared galaxy Mrk 273. These observations
In the SACY (Search for Associations Containing Young-stars) project we try to identify associations of stars younger than the Local
An easy to implement and powerful method for the solution of 3D scattering problems that can be well described by
The high resolution obtained through the use of VLBI gives an unique opportunity to directly observe the interaction of an
SN1993J is to date the radio supernova whose evolution has been monitored in greatest detail and the one which holds
We studied the computational properties of an attractor neural network (ANN) with different network topologies. Though fully connected neural networks
The gamma-ray & neutrino visibility of cosmic ray (CR) accelerators will be dramatically increased by the presence of molecular material
In order to understand the dynamical and chemical evolution of our Galaxy it is of fundamental importance to study the
We report on the status of our S5 polar cap astrometry program. Since 1997 we have observed all the 13
Since the eighties we have begun, in Brazil, a search for Post-T Tauri stars. Here we describe the main steps
This paper presents a brief review of the current status of ultrahigh energy cosmic ray observations and discusses nearby starburst-like
The use of the phase-delay improves substantially the accuracy obtained in VLBI astrometry with respect to the group-delay observable. Recently,
The problem of Bloch electrons in two dimensions subject to magnetic and intense electric fields is investigated, the quantum Hall
In this work we consider the action for a set of complex scalar supermultiplets interacting with the scale factor in
We report on the present status of our S5 polar cap phase-connected astrometry program. We observe 13 radio sources in
Observing ROSAT sources in an area covering ~30% of the Southern Hemisphere, including the R CrA Association, we found evidences
Observing ROSAT sources in an area covering $\sim$30% of the Southern Hemisphere, we found evidences for a great nearby association
(Abridged) We discuss the nature of the galaxies found in the Pico dos Dias Survey (PDS) for young stellar objects.
We present statistics on the research productivity of astronomical telescopes. These were compiled by finding papers in which new data