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astro-ph2007★ 93 cited
Warm dust in the terrestrial planet zone of a sun-like Pleiad: collisions between planetary embryos?
Joseph H. Rhee, Inseok Song, B. Zuckerman
Only a few solar-type main sequence stars are known to be orbited by warm dust particles; the most extreme is the G0 field star BD+20 307 that emits ~4% of its energy at mid-infrar…
astro-ph2007★ 186 cited
Externally-polluted white dwarfs with dust disks
M. Jura, J. Farihi, B. Zuckerman
We report Spitzer Space Telescope photometry of eleven externally-polluted white dwarfs. Of the nine stars for which we have IRAC photometry, we find that GD 40, GD 133 and PG 1015…