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HST Scattered Light Imaging and Modeling of the Edge-on Protoplanetary Disk ESO-H 569
Schuyler G. Wolff, Marshall D. Perrin, Karl Stapelfeldt +6
We present new HST ACS observations and detailed models for a recently discovered edge-on protoplanetary disk around ESO H 569 (a low-mass T Tauri star in the Cha I star forming…
A Direct Imaging Survey of Spitzer detected debris disks: Occurrence of giant planets in dusty systems
Tiffany Meshkat, Dimitri Mawet, Marta Bryan +10
We describe a joint high contrast imaging survey for planets at Keck and VLT of the last large sample of debris disks identified by the Spitzer Space Telescope. No new substellar c…
The First Scattered Light Image of the Debris Disk around the Sco-Cen target HD 129590
Elisabeth Matthews, Sasha Hinkley, Arthur Vigan +7
We present the first scattered light image of the debris disk around HD 129590, a ~1.3 M G1V member of the Scorpius Centaurus association with age ~10-16 Myr. The debris di…
Exoplanet Biosignatures: Understanding Oxygen as a Biosignature in the Context of Its Environment
Victoria S. Meadows, Christopher T. Reinhard, Giada N. Arney +13
Here we review how environmental context can be used to interpret whether O2 is a biosignature in extrasolar planetary observations. This paper builds on the overview of current bi…
Exoplanet Biosignatures: Observational Prospects
Yuka Fujii, Daniel Angerhausen, Russell Deitrick +9
Exoplanet hunting efforts have revealed the prevalence of exotic worlds with diverse properties, including Earth-sized bodies, which has fueled our endeavor to search for life beyo…
The Inner 25 AU Debris Distribution in the epsilon Eri System
Kate Y. L. Su, James M. De Buizer, George H. Rieke +6
Debris disk morphology is wavelength dependent due to the wide range of particle sizes and size-dependent dynamics influenced by various forces. Resolved images of nearby debris di…