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Millimetric Ground Based Observation of CMBR Anisotropy at $δ=+28^{\lowercase{o}}$
G. Romeo, S. Ali, B. Femenia +4
Results from the third campaign of a ground-based multi-band observation of the millimeter emission of the sky from Tenerife (Canary Islands) are presented. The instrument consists…
Galactic Evolution of Beryllium and Oxygen
Garik Israelian, Ramon Garcia Lopez, Rafael Rebolo
We discuss the early evolution of beryllium and oxygen in our Galaxy by comparing abundances of these elements for halo and disk metal-poor stars. Both, O and Be rise as we go prog…
On the Interpretation of the Optical Spectra of L-type Dwarfs
Ya. Pavlenko, M. R. Zapatero Osorio, R. Rebolo
We present synthetic optical spectra in the range 640-930 nm of a sample of field L dwarfs and the brown dwarf GL229B. Our computations show that Li, Na, K, Rb, and Cs govern the s…