Search Results - "Jewett, Gracyn"
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White Dwarf Merger Remnants: The DAQ Subclass
Published in The Astrophysical journal (01-04-2024)“…Four years after the discovery of a unique DAQ white dwarf with a hydrogen-dominated and carbon-rich atmosphere, we report the discovery of four new DAQ white…”
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Massive White Dwarfs in the 100 pc Sample: Magnetism, Rotation, Pulsations, and the Merger Fraction
Published in The Astrophysical journal (01-10-2024)“…We present a detailed model atmosphere analysis of massive white dwarfs with M > 0.9 M ⊙ and T eff ≥ 11,000 K in the Montreal White Dwarf Database 100 pc…”
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Discovery of a magnetic double-faced DBA white dwarf
Published in Monthly notices of the Royal Astronomical Society (01-02-2024)“…ABSTRACT We report the discovery of spectroscopic variations in the magnetic DBA white dwarf SDSS J091016.43+210554.2. Follow-up time-resolved spectroscopy at…”
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WD J004917.14−252556.81: the most massive pulsating white dwarf
Published in Monthly notices of the Royal Astronomical Society (21-04-2023)“…ABSTRACT We present Apache Point Observatory (APO) and Gemini time-series photometry of WD J004917.14−252556.81, an ultramassive DA white dwarf with $T_{\rm…”
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5
White Dwarf Merger Remnants: The DAQ Subclass
Published 13-03-2024“…Four years after the discovery of a unique DAQ white dwarf with a hydrogen-dominated and carbon-rich atmosphere, we report the discovery of four new DAQ white…”
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Journal Article -
6
Discovery of a Magnetic Double-Faced DBA White Dwarf
Published 09-12-2023“…We report the discovery of spectroscopic variations in the magnetic DBA white dwarf SDSS J091016.43+210554.2. Follow-up time-resolved spectroscopy at the…”
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Journal Article -
7
Massive White Dwarfs in the 100 pc Sample: Magnetism, Rotation, Pulsations, and the Merger Fraction
Published 05-07-2024“…We present a detailed model atmosphere analysis of massive white dwarfs with $M > 0.9~M_\odot$ and $T_{\rm eff}\geq11,000$ K in the Montreal White Dwarf…”
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Journal Article -
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WD J004917.14$-$252556.81, the Most Massive Pulsating White Dwarf
Published 20-04-2023“…We present APO and Gemini time-series photometry of WD J004917.14$-$252556.81, an ultramassive DA white dwarf with $T_{\rm eff} = 13020$ K and $\log{g} =…”
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Journal Article