WO-type Wolf-Rayet Stars: The Last Hurrah of Massive Star Evolution, Aadland, Erin,Massey, Philip,Hillier, D. John, The Astrophysical Journal, 931, 2022-06-01 00:00:00, 2022ApJ...931..157A
Launched in 1990, the NASA/ESA Hubble Space Telescope remains the premier UV and visible light telescope in orbit. With well over 1.6 million observations from 10 different scientific instruments, the ESA Hubble Science Archive is a treasure trove of astronomical data to be exploited.
European Space Agency, 2016, Wo-Type Wolf-Rayet Stars: The Last Hurrah Of The Most Massive Stars?, 1.0, European Space Agency, https://doi.org/10.5270/esa-sst7f3n