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SPACE: the SPectroscopic All-sky Cosmic Explorer
A. Cimatti, M. Robberto, C. M. Baugh +18
We describe the scientific motivations, the mission concept and the instrumentation of SPACE, a class-M mission proposed for concept study at the first call of the ESA Cosmic-Visio…
New constraints on the membership of the T dwarf S Ori 70 in the sigma Orionis cluster
M. R. Zapatero Osorio, V. J. S. Bejar, G. Bihain +10
(Abridged) The nature of S Ori 70, a faint mid-T type object found towards the direction of the young sigma Orionis cluster, is still under debate. We intend to disentangle whether…
Activity at the Deuterium-Burning Mass Limit in Orion
M. R. Zapatero Osorio, V. J. S. Bejar, E. L. Martin +2
We report very intense and variable Halpha emission (pseudo-equivalent widths of ~180, 410 A) of S Ori 55, a probable free-floating, M9-type substellar member of the young sigma Or…