96 citations · 821 across the 29 of their papers we have counts for
3 papers · 1 filter
WR 63: A multiple system (O+O)+WR ?
A. -N. Chené, L. Mahy, E. Gosset +3
The spectrum of the Wolf-Rayet (WR) star WR 63 contains spectral lines of two different O stars that show regular radial velocity (RV) variations with amplitudes of ~160 and ~225 k…
Discovery of the most luminous quasar of the last 9 Gyr
Christopher A. Onken, Samuel Lai, Christian Wolf +8
We report the discovery of a bright (g = 14.5 mag (AB), K = 11.9 mag (Vega)) quasar at redshift z = 0.83 -- the optically brightest (unbeamed) quasar at z > 0.4. SMSS J114447.77-43…
Evolution of Hen\,3-1357, the Stingray Nebula
Miriam Peña, Mudumba Parthasarathy, Francisco Ruiz-Escobedo +1
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 Te…