Pena, Miriam; Parthasarathy, M; Ruiz-Escobedo, Francisco
(Oxford University Press on behalf of Royal Astronomical Society, 2022-09)
The spectroscopic evolution of Hen 3-1357, the Stingray Nebula, is presented by analysing data from 1990 to 2021. High-resolution data obtained in 2021 with South African Large Telescope High Resolution Spectrograph and ...