Science ❯ Astrophysics ❯ Observational Astronomy ❯ Hubble Space Telescope

Ultraviolet Spectroscopy

Hubble UV Reveals Ultra-Massive White Dwarf as Stellar Merger Remnant

Faint carbon detected in WD 0525+526’s stripped atmosphere illuminates its early post-merger evolution, prompting calls for new ultraviolet observatories.