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High-contrast Imaging with Spitzer: Deep Observations of Vega, Fomalhaut, and epsilon Eridani
Markus Janson, Sascha P. Quanz, Joseph C. Carson +3
Stars with debris disks are intriguing targets for direct imaging exoplanet searches, both due to previous detections of wide planets in debris disk systems, as well as commonly ex…
Confirmation and characterization of the protoplanet HD100546 b - Direct evidence for gas giant planet formation at 50 au
Sascha P. Quanz, Adam Amara, Michael R. Meyer +3
We present the first multi-wavelength, high-contrast imaging study confirming the protoplanet embedded in the disk around the Herbig Ae/Be star HD100546. The object is detected at…
Modelling the Transfer Function for the Dark Energy Survey
C. Chang, M. T. Busha, R. H. Wechsler +40
We present a forward-modelling simulation framework designed to model the data products from the Dark Energy Survey (DES). This forward-model process can be thought of as a transfe…
Baryonic effects on weak-lensing two-point statistics and its cosmological implications
Irshad Mohammed, Davide Martizzi, Romain Teyssier +1
We develop an extension of \textit{the Halo Model} that describes analytically the corrections to the matter power spectrum due to the physics of baryons. We extend these correctio…
HOPE: A Python Just-In-Time compiler for astrophysical computations
Joel Akeret, Lukas Gamper, Adam Amara +1
The Python programming language is becoming increasingly popular for scientific applications due to its simplicity, versatility, and the broad range of its libraries. A drawback of…
Discovery of a Companion Candidate in the HD169142 Transition Disk and the Possibility of Multiple Planet Formation
Maddalena Reggiani, Sascha P. Quanz, Michael R. Meyer +14
We present L' and J-band high-contrast observations of HD169142, obtained with the VLT/NACO AGPM vector vortex coronagraph and the Gemini Planet Imager, respectively. A source loca…