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The HR 4796A Debris System: Discovery of Extensive Exo-Ring Dust Material
Glenn Schneider, John H. Debes, Carol A. Grady +6
The optically and IR bright, and starlight-scattering, HR 4796A ring-like debris disk is one of the most (and best) studied exoplanetary debris systems. The presence of a yet-undet…
Enabling Narrow(est) IWA Coronagraphy with STIS BAR5 and BAR10 Occulters
Glenn Schneider, Andras Gaspar, John Debes +4
The Space Telescope Imaging Spectrograph's (STIS) BAR5 coronagraphic occulter was designed to provide high-contrast, visible-light, imaging in close (>= 0.15") angular proximity to…
The 67P/Churyumov-Gerasimenko observation campaign in support of the Rosetta mission
C. Snodgrass, M. F. A'Hearn, F. Aceituno +112
We present a summary of the campaign of remote observations that supported the European Space Agency's Rosetta mission. Telescopes across the globe (and in space) followed comet 67…
Chasing Shadows: Rotation of the Azimuthal Asymmetry in the TW Hya Disk
John H. Debes, Charles A. Poteet, Hannah Jang-Condell +8
We have obtained new images of the protoplanetary disk orbiting TW Hya in visible, total intensity light with the Space Telescope Imaging Spectrograph (STIS) on the Hubble Space Te…