A Closer Look at Some Gas-phase Depletions in the ISM: Trends for O, Ge, and Kr versus {F}_{* }, f(H2), and Starlight Intensity, Jenkins, Edward B., The Astrophysical Journal, 872, 2019-02-01 00:00:00, 2019ApJ...872...55J
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, 2019, Hd 93 129 A: A New Collision Of Two Powerful Winds And Possibly Of Their Sourcessprobs, 1.0, European Space Agency, https://doi.org/10.5270/esa-qxnssa8