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Sparse Aperture Masking Observations of the FL Cha Pre-transitional Disk
Lucas A. Cieza, Sylvestre Lacour, Matthias R. Schreiber +9
We present deep Sparse Aperture Masking (SAM) observations obtained with the ESO Very Large Telescope of the pre-transitional disk object FL Cha (SpT=K8, d=160 pc), the disk of whi…
Planet gaps in the dust layer of 3D protoplanetary disks. II. Observability with ALMA
J. -F. Gonzalez, C. Pinte, S. T. Maddison +2
[Abridged] Aims: We provide predictions for ALMA observations of planet gaps that account for the specific spatial distribution of dust that results from consistent gas+dust dynami…
PIONIER: a status report
J. -B. Le Bouquin, J. -P. Berger, G. Zins +33
The visitor instrument PIONIER provides VLTI with improved imaging capabilities and sensitivity. The instrument started routinely delivering scientific data in November 2010, that…
GASPS observations of Herbig Ae/Be stars with PACS/Herschel. The atomic and molecular content of their protoplanetary discs
G. Meeus, B. Montesinos, I. Mendigutia +3
We observed a sample of 20 representative Herbig Ae/Be stars and five A-type debris discs with PACS onboard of Herschel. The observations were done in spectroscopic mode, and cover…
A Herschel Survey of Cold Dust in Disks Around Brown Dwarfs and Low-Mass Stars
Paul M. Harvey, Thomas Henning, Yao Liu +6
We report the complete photometric results from our Herschel study which is the first comprehensive program to search for far-infrared emission from cold dust around young brown dw…
870 micron Imaging of a Transitional Disk in Upper Scorpius: Holdover from the Era of Giant Planet Formation?
Geoffrey S. Mathews, Jonathan P. Williams, Francois Menard
We present 880 micron images of the transition disk around the star [PZ99] J160421.7-213028, a solar-mass star in the nearby Upper Scorpius association. With a resolution down to 0…