New MAROON-X observations of HAT-P-70b detect multiple neutral and ionized metals with day-to-night wind signatures and demonstrate that ionization-aware retrievals yield abundance ratios closer to solar values except for enhanced nickel.
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3 Pith papers cite this work. Polarity classification is still indexing.
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Tidal breakup of cohesive rubble piles around white dwarfs imposes a 0.1-1 km maximum fragment size that sets the initial debris distribution and requires collisional grinding before Poynting-Robertson drag acts.
The paper advocates preserving HST UV spectroscopy through 2035 as essential for statistically significant samples of polluted white dwarf compositions, groundwork for HWO, and synergy with JWST.
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From Hubble to HWO: Bridging the Frontier of White Dwarf Exoplanet Science
The paper advocates preserving HST UV spectroscopy through 2035 as essential for statistically significant samples of polluted white dwarf compositions, groundwork for HWO, and synergy with JWST.