137 citations · 677 across the 28 of their papers we have counts for
Showing 2011Show all
2 papers · 1 filter
astro-ph.SR2011★ 33 cited
Near-infrared Linear Polarization of Ultracool Dwarfs
M. R. Zapatero Osorio, V. J. S. Béjar, B. Goldman +5
We report on near-infrared J- and H-band linear polarimetric photometry of eight ultracool dwarfs (two late-M, five L0-L7.5, and one T2.5) with known evidence for photometric varia…
astro-ph.SR2011★ 30 cited
Search and characterization of T-type planetary mass candidates in the sigma Orionis cluster
K. Peña Ramírez, M. R. Zapatero Osorio, V. J. S. Béjar +2
(Abridged) We aim to: i) confirm the presence of methane absorption in S Ori 73 (a T-type member candidate of the sig Orionis cluster, 3 Myr, 352 pc) through methane imaging; ii) s…