230 citations · 3.8k across the 83 of their papers we have counts for
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Interpretation and diversity of exoplanetary material orbiting white dwarfs
Andrew Swan, Jay Farihi, Detlev Koester +5
Nine metal-polluted white dwarfs are observed with medium-resolution optical spectroscopy,where photospheric abundances are determined and interpreted through comparison against so…
A planetesimal orbiting within the debris disc around a white dwarf star
Christopher J. Manser, Boris T. Gänsicke, Siegfried Eggl +29
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, vi…
A Circumbinary Debris Disk in a Polluted White Dwarf System
J. Farihi, S. G. Parsons, B. T. Gänsicke
Planetary systems commonly survive the evolution of single stars, as evidenced by terrestrial-like planetesimal debris observed orbiting and polluting the surfaces of white dwarfs.…
The Detection of Dust around NN Ser
Adam Hardy, Matthias R. Schreiber, Steven G. Parsons +6
Eclipse timing variations observed from the post common-envelope binary (PCEB) NN Ser offer strong evidence in favour of circumbinary planets existing around PCEBs. If real, these…
The Composition Of A Disrupted Extrasolar Planetesimal At SDSS J0845+2257 (Ton 345)
David J. Wilson, Boris T. Gaensicke, Detlev Koester +4
We present a detailed study of the metal-polluted DB white dwarf SDSS J0845+2257 (Ton 345). Using high-resolution HST/COS and VLT spectroscopy, we have detected hydrogen and eleven…
The First Science Results from SPHERE: Disproving the Predicted Brown Dwarf around V471 Tau
A. Hardy, M. R. Schreiber, S. G. Parsons +10
Variations of eclipse arrival times have recently been detected in several post common envelope binaries consisting of a white dwarf and a main sequence companion star. The general…
The chemical diversity of exo-terrestrial planetary debris around white dwarfs
B. T. Gaensicke, D. Koester, J. Farihi +3
We present HST ultraviolet spectroscopy of the white dwarfs PG0843+516, PG1015+161, SDSS1228+1040, and GALEX1931+0117, which accrete circumstellar planetary debris formed from the…