Double White Dwarf Binaries in SDSS-V DR19: The Discovery of a Rare DA+DQ White Dwarf Binary with a 31 hr Orbital Period

Gautham Adamane Pallathadka(Johns Hopkins University), Sean Morrison(University of Illinois Urbana-Champaign), Vedant Chandra(Center for Astrophysics Harvard & Smithsonian), Nicole R. Crumpler(Johns Hopkins University), Kareem El-Badry(California Institute of Technology), Yossef Zenati(Space Telescope Science Institute), D. Koester(Christian-Albrechts-Universität zu Kiel), Nadia L. Zakamska(Bloomberg (United States)), Stefan Arseneau(Johns Hopkins University), B. T. Gänsicke(University of Warwick), Gagik Tovmassian(Universidad Nacional Autónoma de México), J. J. Hermes(Boston University), Axel Schwope(Leibniz Institute for Astrophysics Potsdam), Keivan G. Stassun(Vanderbilt University), Matthias R. Schreiber(Federico Santa María Technical University), Tim Cunningham(Center for Astrophysics Harvard & Smithsonian)
The Astrophysical Journal
March 9, 2026
Cited by 1


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