771 citations · 3.2k across the 36 of their papers we have counts for
Showing 2011Show all
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astro-ph.EP2011★ 110 cited
Rocky Extrasolar Planetary Compositions Derived from Externally-Polluted White Dwarfs
B. Klein, M. Jura, D. Koester +1
We report Keck High Resolution Echelle Spectrometer data and model atmosphere analysis of two helium-dominated white dwarfs, PG1225-079 and HS2253+8023, whose heavy pollutions most…
astro-ph.SR2011★ 137 cited
An aluminum/calcium-rich, iron-poor, white dwarf star: evidence for an extrasolar planetary lithosphere?
B. Zuckerman, D. Koester, P. Dufour +3
The presence of elements heavier than helium in white dwarf atmospheres is often a signpost for the existence of rocky objects that currently or previously orbited these stars. We…
astro-ph.EP2011★ 87 cited
Possible Signs of Water and Differentiation in a Rocky Exoplanetary Body
J. Farihi, C. S. Brinkworth, B. T. Gaensicke +5
Spitzer observations reveal the presence of warm debris from a tidally destroyed rocky and possibly icy planetary body orbiting the white dwarf GD 61. Ultraviolet and optical spect…