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Optical and near-infrared linear polarization of low and intermediate-gravity ultra-cool dwarfs
P. A. Miles-Páez, M. R. Zapatero Osorio, E. Pallé +1
We aim to study the optical and near-infrared linear polarimetric properties of a sample of young M7-L7 dwarfs (1-500 Myr) with spectroscopic signatures of low- and interm…
New ultracool subdwarfs identified in large-scale surveys using Virtual Observatory tools: II. SDSS DR7 vs UKIDSS LAS DR6, SDSS DR7 vs UKIDSS LAS DR8, SDSS DR9 vs UKIDSS LAS DR10, and SDSS DR7 vs 2MASS
N. Lodieu, M. Espinoza Contreras, M. R. Zapatero Osorio +4
We aim at developing an efficient method to search for late-type subdwarfs (metal-depleted dwarfs with spectral types >M5) to improve the current statistics. Our objectives are: im…
Near-infrared photometry of WISE J085510.74071442.5
M. R. Zapatero Osorio, N. Lodieu, V. J. S. Béjar +7
(Abridged) We aim at measuring the near-infrared photometry, and deriving the mass, age, temperature, and surface gravity of WISE J085510.74-071442.5 (J0855-0714), which is the coo…