2 papers
astro-ph.SR2017
Wide sigma Orionis binaries resolved by UKIDSS
J. A. Caballero, I. Novalbos, T. Tobal +1
In spite of its importance for the study of star formation at all mass domains, the nearby young sigma Orionis cluster still lacks a comprehensive survey for multiplicity. We try t…
astro-ph.SR2012
Collaborating with "professional" amateurs: low-mass stars in fragile multiple system
J. A. Caballero, J. Genebriera, T. Tobal +7
The boundary between professional and amateur astronomers gets narrower and narrower. We present several real examples, most of them published in refereed journals, of works result…