57 citations · 374 across the 24 of their papers we have counts for
3 papers · 1 filter
Heavy elements in barium stars
M. P. Roriz, M. Lugaro, C. B. Pereira +4
New elemental abundances for the neutron-capture elements Sr, Nb, Mo, Ru, La, Sm, and Eu are presented for a large sample of 180 barium (Ba) giant stars, a class of chemically pecu…
Herbig Ae/Be stars towards the dark cloud LDN 1667
C. B. Pereira, L. F. Miranda, W. L. F. Marcolino
We report the discovery of a new emission-line object, named SPH4-South = (GAIA EDR3 5616553300192230272), towards the dark cloud LDN 1667. This object came to our attention after…
Discovery of five new Galactic symbiotic stars in the VPHAS+ survey
Stavros Akras, Denise R. Gonçalves, Alvaro Alvarez-Candal +1
We report the validation of a recently proposed infrared selection criterion for symbiotic stars (SySts). Spectroscopic data were obtained for seven candidates, selected from the S…