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Radio emission in a nearby ultracool dwarf binary: a multi-frequency study
Juan B. Climent, J. C. Guirado, M. R. Zapatero-Osorio +8
The substellar triple system VHS J125601.92125723.9 is composed by an equal-mass M7.5 brown dwarf binary and a L7 low-mass substellar object. In this work, we aim to identify th…
The milliarcsecond-scale radio structure of AB Dor A
J. B. Climent, J. C. Guirado, R. Azulay +4
Context: The fast rotator, pre-main sequence star AB Dor A is a strong and persistent radio emitter. The extraordinary coronal flaring activity is thought to be the origin of compa…
Radio emission in ultracool dwarfs: the nearby substellar triple system VHS 12561257
J. C. Guirado, R. Azulay, B. Gauza +4
With the purpose to investigate the radio emission of new ultracool objects, we carried out a targeted search in the recently discovered system VHS J125601.92125723.9 (hereafter…
Young, active radio stars in the AB Doradus moving group
R. Azulay, J. C. Guirado, J. M. Marcaide +5
Context. Precise determination of stellar masses is necessary to test the validity of pre-main-sequence (PMS) stellar evolutionary models, whose predictions are in disagreement wit…
Dynamical masses of the low-mass stellar binary ABDoradusB
R. Azulay, J. C. Guirado, J. M. Marcaide +8
Context. ABDoradus is the main system of the ABDoradus moving group. It is a quadruple system formed by two widely separated binaries of pre-main-sequence (PMS) stars: ABDor A/C an…