771 citations · 3.2k across the 36 of their papers we have counts for
Showing 2013Show all
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astro-ph.SR2013★ 40 cited
The Hyades Cluster: Identification of a Planetary System and Escaping White Dwarfs
B. Zuckerman, B. Klein, S. Xu +1
Recently, some hot DA-type white dwarfs have been proposed to plausibly be escaping members of the Hyades. We used hydrogen Balmer lines to measure the radial velocities of seven s…
astro-ph.SR2013★ 30 cited
Discovery of Molecular Hydrogen in White Dwarf Atmospheres
S. Xu, M. Jura, D. Koester +2
With the Cosmic Origins Spectrograph onboard the Hubble Space Telescope, we have detected molecular hydrogen in the atmospheres of three white dwarfs with effective temperatures be…
astro-ph.EP2013★ 114 cited
Two Beyond-Primitive Extrasolar Planetesimals
S. Xu, M. Jura, B. Klein +2
Using the Cosmic Origins Spectrograph onboard the Hubble Space Telescope, we have obtained high-resolution ultraviolet observations of GD 362 and PG 1225-079, two helium-dominated,…