A new OSIRIS/GTC and IDS/INT spectroscopic survey of young stars in the sigma Orionis cluster

de Burgos, A.; Caballero, J. A.; Alonso-Floriano, F. J.; Cabrera-Lavers, A.; García-Álvarez, D.; Montes, D.
Referencia bibliográfica

Highlights on Spanish Astrophysics X, Proceedings of the XIII Scientific Meeting of the Spanish Astronomical Society held on July 16-20, 2018, in Salamanca, Spain, ISBN 978-84-09-09331-1. B. Montesinos, A. Asensio Ramos, F. Buitrago, R. Schödel, E. Villaver, S. Pérez-Hoyos, I. Ordóñez-Etxeberria (eds.) p. 403-403

Fecha de publicación:
3
2019
Número de autores
6
Número de autores del IAC
2
Número de citas
0
Número de citas referidas
0
Descripción
The young σ Orionis cluster in the Ori OB 1b association is one of the most important clusters for understanding the stellar and substellar formation and evolution. In this work, we used 197 low-resolution optical spectra of 167 stars. We determined spectral types and measured Li I and Hα equivalent widths (EWs). We used Gaia DR2 astrometry together with youth features indicators from literature to derive the true membership to the cluster.