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Post-main-sequence planetary system evolution
The fates of planetary systems provide unassailable insights into their formation and
represent rich cross-disciplinary dynamical laboratories. Mounting observations of post-main …
represent rich cross-disciplinary dynamical laboratories. Mounting observations of post-main …
The evolution and delivery of rocky extra-solar materials to white dwarfs
The most direct and substantial way to measure the geochemistry of extrasolar objects is to
perform chemical autopsies on their broken-up remains. However, traditional ways of …
perform chemical autopsies on their broken-up remains. However, traditional ways of …
A giant planet candidate transiting a white dwarf
Astronomers have discovered thousands of planets outside the Solar System, most of which
orbit stars that will eventually evolve into red giants and then into white dwarfs. During the …
orbit stars that will eventually evolve into red giants and then into white dwarfs. During the …
Accretion of a giant planet onto a white dwarf star
The detection of a dust disk around the white dwarf star G29-38 and transits from debris
orbiting the white dwarf WD 1145+ 017 (ref.) confirmed that the photospheric trace metals …
orbiting the white dwarf WD 1145+ 017 (ref.) confirmed that the photospheric trace metals …
A planetesimal orbiting within the debris disc around a white dwarf star
Many white dwarf stars show signs of having accreted smaller bodies, implying that they
may host planetary systems. A small number of these systems contain gaseous debris discs …
may host planetary systems. A small number of these systems contain gaseous debris discs …
In defense of the black box
The science fiction writer Douglas Adams imagined the greatest computer ever built, Deep
Thought, programmed to answer the deepest question ever asked: the Great Question of …
Thought, programmed to answer the deepest question ever asked: the Great Question of …
A white dwarf with transiting circumstellar material far outside the Roche limit
We report the discovery of a white dwarf exhibiting deep, irregularly shaped transits,
indicative of circumstellar planetary debris. Using Zwicky Transient Facility DR2 photometry …
indicative of circumstellar planetary debris. Using Zwicky Transient Facility DR2 photometry …
Unstable low-mass planetary systems as drivers of white dwarf pollution
At least of white dwarfs show atmospheric pollution by metals, sometimes accompanied by
detectable circumstellar dust/gas discs or (in the case of WD 1145+ 017) transiting …
detectable circumstellar dust/gas discs or (in the case of WD 1145+ 017) transiting …
Cool DZ white dwarfs–I. Identification and spectral analysis
MA Hollands, D Koester, V Alekseev… - Monthly Notices of …, 2017 - academic.oup.com
White dwarfs with metal lines in their spectra act as signposts for post-main-sequence
planetary systems. Searching the Sloan Digital Sky Survey (SDSS) Data Release 12, we …
planetary systems. Searching the Sloan Digital Sky Survey (SDSS) Data Release 12, we …
Planetary systems around white dwarfs
White dwarf planetary science is a rapidly growing field of research featuring a diverse set of
observations and theoretical explorations. Giant planets, minor planets, and debris discs …
observations and theoretical explorations. Giant planets, minor planets, and debris discs …