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Classical T-Tauri stars with VPHAS+: II: NGC6383 in Sh 2-012
(Oxford Univ Press, 2019)
This paper presents optical (ugriH alpha)-infrared (JHKs, 3.6-8.0 mu m) photometry and Gaia astrometry of 55 Classical T-Tauri stars (CTTS) in the star-forming region Sh 2-012 and its central cluster NGC6383. The sample ...
NaCo polarimetric observations of Sz 91 transitional disc: a remarkable case of dust filtering
(Royal Astronomical Society, 2020)
We present polarized light observations of the transitional disc around Sz 91 acquired with VLT/NaCo at H (1.7μm) and Ks (2.2μm) bands. We resolve the disc and detect polarized emission up to ∼0.5 arcsec (∼80 au) along ...
Dust entrainment in photoevaporative winds: densities and imaging
(EDP Sciences, 2022)
Context. X-ray- and extreme-ultraviolet- (together: XEUV-) driven photoevaporative winds acting on protoplanetary disks around
young T-Tauri stars may crucially impact disk evolution, affecting both gas and dust ...
Estudio de la relación rotación estelar-litio en el cúmulo σ Ori
(Universidad Nacional de ColombiaBogotá - Ciencias - Maestría en Ciencias - AstronomíaObservatorio Astronómico NacionalFacultad de CienciasBogotá, ColombiaUniversidad Nacional de Colombia - Sede Bogotá, 2020)
El fenómeno de la dispersión del litio fotosférico en las estrellas jóvenes de temperaturas super ciales Teff < 5500 K ha sido ampliamente estudiado, sin embargo no se ha establecido una explicación de nitiva. Estudios de ...